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| 19-0942; Rev 3; 5/10 Single/Dual/Triple/Quad Operational Amplifiers General Description The ICL761X-ICL764X family of monolithic CMOS op amps combine ultra-low input current with low-power operation over a wide supply voltage range. With pinselectable quiescent currents of 10A, 100A, or 1000A per amplifier, these op amps will operate from 1V to 8V power supplies, or from single supplies from 2V to 16V. The CMOS outputs swing to within millivolts of the supply voltages. The ultra-low bias current of 1pA makes this family of op amps ideal for long time constant integrators, picoammeters, low droop rate sample/hold amplifiers and other applications where input bias and offset currents are critical. A low noise current of 0.01pAHz and an input impedance of 1012 ensure optimum performance with very high source impedances in such applications as pH meters and photodiode amplifiers. Features o Pin-for-Pin Second Source o 1pA Typical Bias Current--4nA (max) at +125C o 1V to 8V Wide Supply Voltage Range o Industry-Standard Pinouts o Programmable Quiescent Currents of 10A, 100A, and 1000A o Monolithic, Low-Power CMOS Design ICL761X-ICL764X Applications Battery-Powered Instruments Low-Leakage Amplifiers Long-Time Constant Integrators Low-Frequency Active Filters Hearing Aids and Microphone Amplifiers Low Droop Rate Sample/Hold Amplifiers Picoammeters ICL76XX M Ordering Information N TEMP RANGE C = 0C to 70C E = -40C to +85C M = -55C to +125C OP PKG CODE TV= 8-Pin TO99 PA = 8-Pin Plastic Dip SA = 8-Pin Small SO JD = 14-Pin CERDIP PD = 14-Pin Plastic Dip SD = 14-Pin Small SO JE = 16-Pin CERDIP PE = 16-Pin Plastic Dip VOS SELECTION A = 2mV B = 5mV C = 10mV D = 15mV E = 20mV Pin Configuration TOP VIEW SINGLES--ICL7611/12/14/16 TO--99 (IOSET)* OFFSET 8 1 7 V+ -IN 2 +IN 3 6 OUTPUT 5 OFFSET 4 V- *PIN 7 CONNECTED TO CASE 8-PIN DIP OFFSET 1 8 (IOSET)* SE = 16-Pin Small SO WE - 16-Pin Wide SO IN 2 7 V+ +IN 3 6 OUT V- 4 5 OFFSET *EXTERNAL COMPENSATION (ICL7614) Typical Operating Circuit appears at end of data sheet. 1 ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim's website at www.maxim-ic.com. Single/Dual/Triple/Quad Operational Amplifiers ICL761X-ICL764X Ordering Information (continued) ICL7611 Compensated Externally Compensated Extended CMVR Offset null capability Programmable IQ Fixed IQ-10A Fixed IQ100A Fixed IQ-1mA X X X X X X X X X X X PART ICL761XACPA ICL761XACSA ICL761XACTV ICL761XAMTV ICL761XBCPA ICL761XBCSA ICL761XBCTV ICL761XBESA ICL761XBMTV ICL761XDCPA ICL761XDCSA ICL761XDCTV ICL761XDESA ICL7621ACPA ICL7621ACSA ICL7621ACTV ICL7621AMTV ICL7621BCPA ICL7612 X X X X X X X X X ICL7614 ICL7616 X ICL7621 X ICL7622 X ICL7631 X ICL7632 ICL7641 X ICL7642 X Ordering Information (Single/Dual) TEMP RANGE 0C to +70C 0C to +70C 0C to +70C -55C to +125C 0C to +70C 0C to +70C 0C to +70C -40C to +85C -55C to +125C 0C to +70C 0C to +70C 0C to +70C -40C to +85C 0C to +70C 0C to +70C 0C to +70C -55C to +125C 0C to +70C PIN-PACKAGE 8 Plastic Dip 8 Slim SO TO-99 Metal Can TO-99 Metal Can 8 Plastic Dip 8 Slim SO TO-99 Metal Can 8 Slim SO TO-99 Metal Can 8 Plastic Dip 8 Slim SO TO-99 Metal Can 8 Slim SO 8 Plastic Dip 8 Slim SO TO-99 Metal Can TO-99 Metal Can 8 Plastic Dip PART ICL7621BCSA ICL7621BCTV ICL7621BMTV ICL7621DCPA ICL7621DCSA ICL7621DCTV ICL7622ACPD ICL7622ACSD ICL7622ACJD ICL7622AMJD ICL7622BCPD ICL7622BCSA ICL7622BCJD ICL7622BMJD ICL7622DCPD ICL7622DCSD ICL7622DCJD TEMP RANGE 0C to +70C 0C to +70C -55C to +125C 0C to +70C 0C to +70C 0C to +70C 0C to +70C 0C to +70C 0C to +70C -55C to +125C 0C to +70C 0C to +70C 0C to +70C -55C to +125C 0C to +70C 0C to +70C 0C to +70C PIN-PACKAGE 8 Slim SO TO-99 Metal Can TO-99 Metal Can 8 Plastic Dip 8 Slim SO TO-99 Metal Can 14 Plastic Dip 14 Slim SO 14 CERDIP 14 CERDIP 14 Plastic Dip 14 Slim SO 14 CERDIP 14 CERDIP 14 Plastic Dip 14 Slim SO 14 CERDIP Note: X above is replaced by: 1, 2, 4, 8. 2 _______________________________________________________________________________________ Single/Dual/Triple/Quad Operational Amplifiers Pin Configurations ICL761X-ICL764X TOP VIEW SINGLES--ICL7611/12/14/16 TO--99 (IOSET)* OFFSET 8 1 7 V+ OUTA -INA 2 DUALS--ICL7621/22 TO--99 V+ 8 1 7 OUTB 6 -INB 5 +IN B 14 LEAD -IN 2 +IN 3 6 OUTPUT 5 OFFSET -INA 1 14 OFFSETA 4 V- +INA 3 4 V- +INA 2 + A - 13 V+ *PIN 7 CONNECTED TO CASE OFFSETA 3 12 OUTA V8 LEAD 8 LEAD OFFSETB OFFSET 1 8 (IOSET)* OUTA 1 A + 7 B + +IN 3 6 OUT +INA 3 6 -INB -INB OUTB +INB 8 V+ 4 11 N.C. 5 B + 6 - 10 OUTB 9 V+ -IN 2 7 V+ -INA 2 7 8 OFFSETB NOTE: PINS 9 & 13 ARE INTERNALLY CONNECTED V4 5 OFFSET V4 5 +INB *EXTERNAL COMPENSATION (ICL7614) _______________________________________________________________________________________ 3 Single/Dual/Triple/Quad Operational Amplifiers ICL761X-ICL764X ABSOLUTE MAXIMUM RATINGS (Single/Dual) Total Supply Voltage (V+ to V-) ...........................................+18V Input Voltage ........................................(V+ + 0.3V) to (V- - 0.3V) Differential Input Voltage (Note 1)......(V+ + 0.3V) to (V- - 0.3V) Duration of Output Short Circuit (Note 2) ......................Unlimited Continuous Power Dissipation (TA = +25C) TO-99 Metal Can (derate 2mW/C above +25C) .......250mW 8-Pin Minidip (derate 2mW/C above +25C) ..............250mW 14-Pin Plastic (derate 3mW/C above +25C) .............375mW 14-Pin CERDIP (derate 4mW/C above +25C)...........500mW 16-Pin Plastic (derate 3mW/C above +25C) .............375mW 16-Pin CERDIP (derate 4mW/C above +25C)...........500mW Operating Temperature Ranges: M Series .............................................................-55C to +125C E Series................................................................-40C to +85C C Series .................................................................-0C to +70C Storage Temperature Range ............................-55C to +150C Lead Temperature (soldering, 10s) ................................+300C Soldering Temperature (reflow) Lead(Pb)-Free Packages.............................................+260C Packages Containing Lead..........................................+240C Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Note 1: Long-term offset voltage stability will be degraded if large input differential voltages are applied for long periods of time. Note 2: The outputs may be shorted to ground or to either supply for VSUPP 10V. Care must be taken to insure that the dissipation rating is not exceeded. ELECTRICAL CHARACTERISTICS (Single/Dual) (VSUPP = 1.0V, IQ = 10A, TA = +25C, unless otherwise noted.) PARAMETER SYMBOL CONDITIONS RS 100k, TA = +25C RS 100k, TMIN TA TMAX RS 100k TA = +25C 0C TA +70C TA = +25C 0C TA +70C 1.0 10 0.5 30 300 50 500 1.0 ICL76XXA MIN TYP MAX 2 3 15 0.5 30 300 50 500 MIN ICL76XXB TYP MAX 5 mV 7 V/C pA pA UNITS Input Offset Voltage VOS Temperature Coefficient of VOS Input Offset Current Input Bias Current Common-Mode Voltage Range (Except ICL7612/ ICL7616) Extended CommonMode Voltage Range (ICL7612 Only) Extended CommonMode Voltage Range (ICL7616 Only) VOS/T IOS IBIAS VCMR -0.4 +0.6 -0.4 +0.6 V VCMR -1.1 +0.6 -1.1 +0.6 V VCMR IQ = 10A RL = 1M, TA = +25C -1.3 0.98 0.96 -0.3 -1.3 0.98 0.96 -0.3 V Output Voltage Swing VOUT RL = 1M, 0C TA +70C V 4 _______________________________________________________________________________________ Single/Dual/Triple/Quad Operational Amplifiers ELECTRICAL CHARACTERISTICS (Single/Dual) (continued) (VSUPP = 1.0V, IQ = 10A, TA = +25C, unless otherwise noted.) PARAMETER SYMBOL CONDITIONS VO = 0.1V, RL = 1M, TA = +25C VO = 0.1V, RL = 1M, 0C TA +70C ICL76XXA MIN TYP 90 80 0.044 1012 RS 100k RS 100k RS = 100, f = 1kHz RS = 100, f = 1kHz No signal, no load AVOL = 1, CL = 100pF, VIN = 0.2VP-P, RL = 1M VIN = 50mV, CL = 100pF, RL = 1M VIN = 50mV, CL = 100pF, RL = 1M 80 80 100 0.01 6 0.016 20 5 15 MAX MIN ICL76XXB TYP 90 dB 80 0.044 1012 80 80 100 0.01 6 0.016 20 5 15 MHz dB dB nV/Hz pA/Hz A V/s s % MAX UNITS ICL761X-ICL764X Large-Signal Voltage Gain AVOL Unity-Gain Bandwidth Input Resistance Common-Mode Rejection Ratio Power-Supply Rejection Ratio Input-Referred Noise Voltage Input-Referred Noise Current Supply Current (Per Amplifier) Slew Rate Rise Time Overshoot Factor GBW RIN CMRR PSRR en in ISUPP SR tr ELECTRICAL CHARACTERISTICS (Single/Dual) (VSUPP = 5.0V, TA = +25C, unless otherwise noted.) PARAMETER SYMBOL CONDITIONS RS 100k, TA = +25C RS 100k, TMIN TA TMAX RS 100k TA = +25C C: 0C TA +70C Input Offset Current IOS E: -40C TA +85C M: -55C TA +125C 10 0.5 30 300 800 800 ICL76XXA MIN TYP MAX 2 3 15 0.5 30 300 800 800 MIN ICL76XXB TYP MAX 5 7 25 0.5 30 300 800 800 pA MIN ICL76XXD TYP MAX 15 mV 20 V/C UNITS Input Offset Voltage VOS Temperature Coefficient of VOS VOS/T _______________________________________________________________________________________ 5 Single/Dual/Triple/Quad Operational Amplifiers ICL761X-ICL764X ELECTRICAL CHARACTERISTICS (Single/Dual) (continued) (VSUPP = 5.0V, TA = +25C, unless otherwise noted.) PARAMETER SYMBOL CONDITIONS TA = +25C C: 0C TA +70C Input Bias Current IBIAS E: -40C TA +85C M: -55C TA +125C Common-Mode Voltage Range (Except ICL7612/ ICL7616) IQ = 10A (Note 3) VCMR IQ = 100A (Note 3) IQ = 1mA (Note 3) IQ = 10A VCMR IQ = 100A IQ = 1mA IQ = 10A Extended Common-Mode Voltage Range (ICL7616 Only) VCMR IQ = 100A IQ = 1mA +4.4 -4.0 +4.2 -4.0 +3.7 -3.7 5.3 +5.3 -5.1 +5.3 -4.5 -5.3 +3.7 -5.1 +3.0 -4.5 +2.0 ICL76XXA MIN TYP 1.0 MAX 50 400 4000 4000 +4.4 -4.0 +4.2 -4.0 +3.7 -3.7 5.3 +5.3 -5.1 +5.3 -4.5 -5.3 +3.7 -5.1 +3.0 -4.5 +2.0 MIN ICL76XXB TYP 1.0 MAX 50 400 4000 4000 +4.4 -4.0 +4.2 -4.0 +3.7 -3.7 5.3 +5.3 -5.1 +5.3 -4.5 -5.3 +3.5 -5.1 +2.7 -4.5 +1.7 V MIN ICL76XXD TYP 1.0 MAX 50 400 4000 4000 pA UNITS V Extended Common-Mode Voltage Range (ICL7612 Only) V 6 _______________________________________________________________________________________ Single/Dual/Triple/Quad Operational Amplifiers ELECTRICAL CHARACTERISTICS (Single/Dual) (continued) (VSUPP = 5.0V, TA = +25C, unless otherwise noted.) PARAMETER SYMBOL CONDITIONS TA = +25C C: 0C TA +70C E: -40C TA +85C M: -55C TA +125C TA = +25C C: 0C TA +70C E: -40C TA +85C M: -55C TA +125C TA = +25C C: 0C TA +70C E: -40C TA +85C M: -55C TA +125C ICL76XXA MIN 4.9 TYP MAX MIN 4.9 ICL76XXB TYP MAX MIN 4.9 ICL76XXD TYP MAX UNITS ICL761X-ICL764X IQ = 10A, RL = 1M (Note 3) 4.8 4.8 4.8 4.7 4.7 4.7 4.7 4.7 4.7 4.9 4.9 4.9 4.8 4.8 4.8 V Output Voltage Swing VOUT IQ = 100A, RL = 100k 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.3 4.3 4.3 IQ = 1mA, RL = 10k (Note 3) 4.0 4.0 4.0 4.0 4.0 4.0 _______________________________________________________________________________________ 7 Single/Dual/Triple/Quad Operational Amplifiers ICL761X-ICL764X ELECTRICAL CHARACTERISTICS (Single/Dual) (continued) (VSUPP = 5.0V, TA = +25C, unless otherwise noted.) PARAMETER SYMBOL CONDITIONS TA = +25C VO = 4.0V RL = 1M, IQ = 10A C: 0C TA +70C E: -40C TA +85C M: -55C TA +125C TA = +25C VO = 4.0V, RL = 100k, IQ = 100A C: 0C TA +70C E: -40C TA +85C M: -55C TA +125C TA = +25C VO = 4.0V, RL = 10k, IQ = 1mA (Note 3) C: 0C TA +70C E: -40C TA +85C M: -55C TA +125C ICL76XXA MIN 86 TYP 104 MAX MIN 80 ICL76XXB TYP 104 MAX MIN 80 ICL76XXD TYP 104 MAX UNITS 80 75 75 74 68 68 74 68 68 86 102 80 102 80 102 80 75 75 dB Large-Signal Voltage Gain AVOL 74 68 68 74 68 68 80 83 76 83 76 83 76 72 72 72 68 68 72 68 68 8 _______________________________________________________________________________________ Single/Dual/Triple/Quad Operational Amplifiers ICL761X-ICL764X ELECTRICAL CHARACTERISTICS (Single/Dual) (continued) (VSUPP = 5.0V, TA = +25C, unless otherwise noted.) PARAMETER Unity-Gain Bandwidth Input Resistance SYMBOL CONDITIONS IQ = 10A (Note 3) GBW RIN RS 100k, IQ = 10A (Note 3) Common-Mode Rejection Ratio CMRR RS 100k, IQ = 100A RS 100k, IQ = 1mA (Note 3) RS 100k, IQ = 10A (Note 3) Power-Supply Rejection Ratio PSRR RS 100k, IQ = 100A RS 100k, IQ = 1mA (Note 3) Input-Referred Noise Voltage Input-Referred Noise Current en in RS = 100, f = 1kHz RS = 100, f = 1kHz IQ = 10A (Note 3) Supply Current (Per Amplifier) ISUPP No signal, no load IQ = 100A IQ = 1mA (Note 3) Channel Separation VO1 / VO2 AVOL = 100 76 76 66 80 80 70 IQ = 100A IQ = 1mA (Note 3) ICL76XXA MIN TYP 0.044 0.48 1.4 1012 96 91 87 94 86 77 100 0.01 70 70 60 80 80 70 MAX MIN ICL76XXB TYP 0.044 0.48 1.4 1012 96 91 87 94 86 77 100 0.01 70 70 60 80 80 70 MAX MIN ICL76XXD TYP 0.044 0.48 1.4 1012 96 91 87 94 86 77 100 0.01 nV/Hz pA/Hz dB dB MHz MAX UNITS 0.01 0.02 0.01 0.02 0.01 0.02 mA 0.1 1.0 120 0.25 2.5 0.1 1.0 120 0.25 2.5 0.1 1.0 120 0.25 2.5 dB _______________________________________________________________________________________ 9 Single/Dual/Triple/Quad Operational Amplifiers ICL761X-ICL764X ELECTRICAL CHARACTERISTICS (Single/Dual) (continued) (VSUPP = 5.0V, TA = +25C, unless otherwise noted.) PARAMETER SYMBOL CONDITIONS IQ = 10A (Note 3), RL = 1M AVOL = 1, CL = 100pF, VIN = 8VP-P IQ = 100A, RL = 100k IQ = 1mA (Note 3), RL = 10k IQ = 10A (Note 3), RL = 1M VIN = 50mV, CL = 100pF IQ = 100A, RL = 100k IQ = 1mA (Note 3), RL = 10k IQ = 10A (Note 3), RL = 1M VIN = 50mV, CL = 100pF IQ = 100A, RL = 100k IQ = 1mA (Note 3), RL = 10k ICL76XXA MIN TYP 0.016 MAX MIN ICL76XXB TYP 0.016 MAX MIN ICL76XXD TYP 0.016 MAX UNITS Slew Rate (Note 4) SR 0.16 0.16 0.16 V/s 1.6 1.6 1.6 20 20 20 Rise Time (Note 4) tr 2 2 2 s 0.9 0.9 0.9 5 5 5 Overshoot Factor (Note 4) 10 10 10 % 40 40 40 Note 3: ICL7611, ICL7612, ICL7616 only. Note 4: ICL7814; 39pF from pin 6 to pin 8. 10 ______________________________________________________________________________________ Single/Dual/Triple/Quad Operational Amplifiers Ordering Information (Triple/Quad) PART ICL763XBCPE ICL763XBCSE ICL763XCCPE ICL763XCCSE ICL763XECPE ICL763XECSE ICL763XBCJE ICL763XCCJE ICL763XECJE ICL763XBMJE ICL763XCMJE TEMP RANGE 0C to +70C 0C to +70C 0C to +70C 0C to +70C 0C to +70C 0C to +70C 0C to +70C 0C to +70C 0C to +70C -55C to +125C -55C to +125C PIN-PACKAGE 16 Plastic Dip 16 Slim SO 16 Plastic Dip 16 Slim SO 16 Plastic Dip 16 Slim SO 16 CERDIP 16 CERDIP 16 CERDIP 16 CERDIP 16 CERDIP PART ICL764XBCPD ICL764XBCWE ICL764XCCPD ICL764XCCWE ICL764XECPD ICL764XECWE ICL764XBCJD ICL764XCCJD ICL764XECJD ICL764XBMJD ICL764XCMJD TEMP RANGE 0C to +70C 0C to +70C 0C to +70C 0C to +70C 0C to +70C 0C to +70C 0C to +70C 0C to +70C 0C to +70C -55C to +125C -55C to +125C PIN-PACKAGE 14 Plastic Dip 16 Wide SO 14 Plastic Dip 16 Wide SO 14 Plastic Dip 16 Wide SO 14 CERDIP 14 CERDIP 14 CERDIP 14 CERDIP 14 CERDIP ICL761X-ICL764X Note: X above is replaced by 1, 2. Pin Configurations TOP VIEW ICL7631/32 16 LEAD ICL7641/42 16 LEAD WIDE S.O. ICL7641/42 14 LEAD N.C. 1 16 IOC SET OUTA 1 A + + D - 16 OUTD OUTA 1 A + + D - 16 OUTD -INA 2 A 15 V+ -INA 2 15 -IND -INA 2 15 -IND +INA 3 + 14 OUTA +INA 3 14 +IND +INA 3 14 +IND OUTB 4 B + - 13 +INB V+ 4 13 V- V+ 4 13 V- V+ 5 12 -INB INB 5 12 +INC INB 5 12 +INC SET IOC 6 11 IOB SET -INB 6 B + + C - 11 -INC -INB 6 B + + C - 11 -INC -INC 7 + C 10 OUT OUTB 7 10 OUTC OUTB 7 10 OUTC +INC 8 9 V- N.C. 8 9 N.C. NOTE: PINS 5 & 15 ARE INTERNALLY CONNECTED ______________________________________________________________________________________ 11 Single/Dual/Triple/Quad Operational Amplifiers ICL761X-ICL764X ABSOLUTE MAXIMUM RATINGS (Triple/Quad) Total Supply Voltage (V+ to V-) ...........................................+18V Input Voltage ........................................(V+ + 0.3V) to (V- - 0.3V) Differential Input Voltage (Note 5).......|(V+ + 0.3V) - (V- - 0.3V) Duration of Output Short Circuit (Note 6) ......................Unlimited Continuous Power Dissipation (TA = +25C) TO-99 Metal Can (derate 2mW/C above +25C) .......250mW 8-Pin Minidip (derate 2mW/C above +25C) ..............250mW 14-Pin Plastic (derate 3mW/C above +25C) .............375mW 14-Pin CERDIP (derate 4mW/C above +25C)...........500mW 16-Pin Plastic (derate 3mW/C above +25C) .............375mW 16-Pin CERDIP (derate 4mW/C above +25C)...........500mW Operating Temperature Ranges: M Series .............................................................-55C to +125C E Series................................................................-40C to +85C C Series .................................................................-0C to +70C Storage Temperature Range ............................-55C to +150C Lead Temperature (soldering, 10s) ................................+300C Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Note 5: Long-term offset voltage stability will be degraded if large input differential voltages are applied for long periods of time. Note 6: The outputs may be shorted to ground or to either supply for VSUPP 10V. Care must be taken to insure that the dissipation rating is not exceeded. ELECTRICAL CHARACTERISTICS (Triple/Quad) (VSUPP = 1.0V, IQ = 10A, TA = +25C, unless otherwise noted.) (Specifications apply to ICL7631/7632/7642 only.) PARAMETER SYMBOL CONDITIONS RS 100k, TA = +25C RS 100k, TMIN TA TMAX RS 100k TA = +25C 0C TA +70C TA = +25C 0C TA +70C -0.4 RL = 1M, TA = +25C VOUT RL = 1M, 0C TA +70C VO = 0.1V, RL = 1M, TA = +25C VO = 0.1V, RL = 1M, 0C TA +70C 0.98 0.96 90 80 0.044 1012 RS 100k 80 1.0 15 0.5 30 300 50 500 +0.6 -0.4 0.98 0.96 90 dB 80 0.044 1012 80 MHz dB V 1.0 ICL76XXB MIN TYP MAX 5 7 20 0.5 30 300 50 500 +0.6 MIN ICL76XXC TYP MAX 10 mV 12 V/C pA pA V UNITS Input Offset Voltage VOS Temperature Coefficient of VOS Input Offset Current Input Bias Current Common-Mode Voltage Range Output Voltage Swing VOS/T IOS IBIAS VCMR Large-Signal Voltage Gain AVOL Unity-Gain Bandwidth Input Resistance Common-Mode Rejection Ratio GBW RIN CMRR 12 ______________________________________________________________________________________ Single/Dual/Triple/Quad Operational Amplifiers ELECTRICAL CHARACTERISTICS (Triple/Quad) (continued) (VSUPP = 1.0V, IQ = 10A, TA = +25C, unless otherwise noted.) (Specifications apply to ICL7631/7632/7642 only.) PARAMETER Power-Supply Rejection Ratio Input-Referred Noise Voltage Input-Referred Noise Current Supply Current (Per Amplifier) Channel Separation Slew Rate Rise Time Overshoot Factor SYMBOL PSRR en in ISUPP VO1 / VO2 SR tr RS = 100, f = 1kHz RS = 100, f = 1kHz No signal, no load AVOL = 100 AVOL = 1, CL = 100pF, VIN = 0.2VP-P, RL = 1M VIN = 50mV, CL = 100pF, RL = 1M VIN = 50mV, CL = 100pF, RL = 1M CONDITIONS ICL76XXB MIN TYP 80 100 0.01 6 120 0.016 20 5 15 MAX MIN ICL76XXC TYP 80 100 0.01 6 120 0.016 20 5 15 MAX UNITS dB nV/Hz pA/Hz A dB V/s s % ICL761X-ICL764X ELECTRICAL CHARACTERISTICS (Triple/Quad) (VSUPP = 5.0V, TA = +25C, unless otherwise noted.) PARAMETER SYMBOL CONDITIONS RS 100k, TA = +25C RS 100k, TMIN TA TMAX RS 100k TA = +25C Input Offset Current IOS C: 0C TA +70C M: -55C TA +125C TA = +25C Input Bias Current IBIAS C: 0C TA +70C M: -55C TA +125C 1.0 15 0.5 30 300 800 50 500 4000 1.0 ICL76XXB MIN TYP MAX 5 7 20 0.5 30 300 800 50 500 4000 1.0 MIN ICL76XXC TYP MAX 10 15 30 0.5 30 300 800 50 500 4000 pA pA MIN ICL76XXE TYP MAX 20 mV 25 V/C UNITS Input Offset Voltage VOS Temperature Coefficient of VOS VOS/T ______________________________________________________________________________________ 13 Single/Dual/Triple/Quad Operational Amplifiers ICL761X-ICL764X ELECTRICAL CHARACTERISTICS (Triple/Quad) (continued) (VSUPP = 5.0V, TA = +25C, unless otherwise noted.) PARAMETER SYMBOL CONDITIONS IQ = 10A (Note 7) Common-Mode Voltage Range VCMR IQ = 100A (Note 9) IQ = 1mA (Note 8) TA = +25C IQ = 10A, RL = 1M (Note 7) C: 0C TA +70C M: -55C TA +125C TA = +25C IQ = 100A, RL = 100k (Note 9) C: 0C TA +70C M: -55C TA +125C TA = +25C IQ = 1mA, RL = 10k (Note 8) C: 0C TA +70C M: -55C TA +125C ICL76XXB MIN +4.4 -4.0 +4.2 -4.0 +3.7 -3.7 4.9 TYP MAX MIN +4.4 -4.0 +4.2 -4.0 +3.7 -3.7 4.9 ICL76XXC TYP MAX MIN +4.4 -4.0 +4.2 -4.0 +3.7 -3.7 4.9 V ICL76XXE TYP MAX UNITS 4.8 4.8 4.8 4.7 4.7 4.7 4.9 4.9 4.9 Output Voltage Swing VOUT 4.8 4.8 4.8 V 4.5 4.5 4.5 4.5 4.5 4.5 4.3 4.3 4.3 4.0 4.0 4.0 14 ______________________________________________________________________________________ Single/Dual/Triple/Quad Operational Amplifiers ELECTRICAL CHARACTERISTICS (Triple/Quad) (continued) (VSUPP = 5.0V, TA = +25C, unless otherwise noted.) PARAMETER SYMBOL CONDITIONS TA = +25C C: 0C TA +70C M: -55C TA +125C TA = +25C VO = 4.0V, RL = 100k, IQ = 100A C: 0C TA +70C M: -55C TA +125C TA = +25C C: 0C TA +70C M: -55C TA +125C ICL76XXB MIN 86 TYP 104 MAX MIN 80 ICL76XXC TYP 104 MAX MIN 80 ICL76XXE TYP 104 MAX UNITS ICL761X-ICL764X VO = 4.0V, RL = 1M, IQ = 10A (Note 7) 80 75 75 74 68 68 86 102 80 102 80 102 Large-Signal Voltage Gain AVOL 80 75 75 dB 74 68 68 VO = 4.0V, RL = 10k (Note 8), IQ = 1mA (Note 7) 86 98 80 98 80 98 80 75 75 74 68 68 ______________________________________________________________________________________ 15 Single/Dual/Triple/Quad Operational Amplifiers ICL761X-ICL764X ELECTRICAL CHARACTERISTICS (Triple/Quad) (continued) (VSUPP = 5.0V, TA = +25C, unless otherwise noted.) PARAMETER Unity-Gain Bandwidth Input Resistance SYMBOL CONDITIONS IQ = 10A (Note 7) GBW RIN RS 100k, IQ = 10A (Note 7) Common-Mode Rejection Ratio CMRR RS 100k, IQ = 100A RS 100k, IQ = 1mA (Note 8) RS 100k, IQ = 10A (Note 7) Power-Supply Rejection Ratio PSRR RS 100k, IQ = 100A RS 100k, IQ = 1mA (Note 8) Input-Referred Noise Voltage Input-Referred Noise Current en in RS = 100, f = 1kHz RS = 100, f = 1kHz IQ = 10A (Note 7) Supply Current (Per Amplifier) ISUPP No signal, no load IQ = 100A IQ = 1mA (Note 8) Channel Separation VO1 / VO2 AVOL = 100 IQ = 10A (Note 7), AVOL = RL = 1M 1, CL = I = 100A, 100pF, Q RL = 100k VIN = 8VP-P IQ = 1mA (Note 7), RL = 10k 76 76 66 80 80 70 IQ = 100A (Note 9) IQ = 1mA (Note 8) ICL76XXB MIN TYP 0.044 0.48 1.4 1012 96 91 87 94 86 77 100 0.01 0.01 0.1 1.0 120 0.022 0.25 2.5 70 70 60 80 80 70 MAX MIN ICL76XXC TYP 0.044 0.48 1.4 1012 96 91 87 94 86 77 100 0.01 0.01 0.1 1.0 120 0.022 0.25 2.5 70 70 60 80 80 70 MAX MIN ICL76XXE TYP 0.044 0.48 1.4 1012 96 91 87 94 86 77 100 0.01 0.01 0.1 1.0 120 0.022 0.25 2.5 dB mA nV/Hz pA/Hz dB dB MHz MAX UNITS 0.016 0.016 0.016 Slew Rate (Note 10) SR 0.16 0.16 0.16 V/s 1.6 1.6 1.6 16 ______________________________________________________________________________________ Single/Dual/Triple/Quad Operational Amplifiers ELECTRICAL CHARACTERISTICS (Triple/Quad) (continued) (VSUPP = 5.0V, TA = +25C, unless otherwise noted.) PARAMETER SYMBOL CONDITIONS IQ = 10A (Note 7), RL = 1M IQ = 100A, RL = 100k IQ = 1mA (Note 8), RL = 10k IQ = 10A (Note 7), RL = 1M IQ = 100A, RL = 100k IQ = 1mA (Note 8), RL = 10k ICL76XXB MIN TYP 20 MAX MIN ICL76XXC TYP 20 MAX MIN ICL76XXE TYP 20 MAX UNITS ICL761X-ICL764X Rise Time (Note 10) tr VIN = 50mV, CL = 100pF 2 2 2 s 0.9 0.9 0.9 5 5 5 Overshoot Factor (Note 10) VIN = 50mV, CL = 100pF 10 10 10 % 40 40 40 Note 7: Note 8: Note 9: Note 10: Does not apply to ICL7641. Does not apply to ICL7642. ICL7631/ICL7632 only. Does not apply to ICL7632. Typical Operating Characteristics (TA = +25C, unless otherwise noted.) ______________________________________________________________________________________ 17 Single/Dual/Triple/Quad Operational Amplifiers ICL761X-ICL764X Typical Operating Characteristics (continued) (TA = +25C, unless otherwise noted.) 18 ______________________________________________________________________________________ Single/Dual/Triple/Quad Operational Amplifiers Typical Operating Characteristics (continued) (TA = +25C, unless otherwise noted.) ICL761X-ICL764X ______________________________________________________________________________________ 19 Single/Dual/Triple/Quad Operational Amplifiers ICL761X-ICL764X Typical Operating Characteristics (continued) (TA = +25C, unless otherwise noted.) 20 ______________________________________________________________________________________ Single/Dual/Triple/Quad Operational Amplifiers Detailed Description Quiescent Current Selection The voltage input to the IQ pin of the single and triple amplifiers selects a quiescent current (IQ) of 10A, 100A, or 1000A. The dual and quad amplifiers have fixed quiescent current (IQ) settings. Unity-gain bandwidth and slew-rate increase with increasing quiescent current, as does output sink current capability. The output source current capability is independent of quiescent current. The lowest IQ setting that results in sufficient bandwidth and slew rate should be selected for each specific application. The IQ pin of the single and triple amplifiers controls the quiescent current as follows: IQ = 10A IQ = 100A IQ = 1mA IQ pin to V+ IQ pin between V- + 0.8V and V+ - 0.8V IQ pin to Vand the voltage gain is maximized in this mode. The output stage, however, can also be operated in Class AB, which supplies higher output currents (see the Typical Operating Characteristics). The voltage gain decreases and the output transfer characteristic is nonlinear during the transition from Class A to Class B operation. The output stage, with a gain that is directly proportional to load impedance, approximates a transconductance amplifier. Approximately the same open-loop gains are obtained at each of the IQ settings if corresponding loads of 10k, 100k, and 1M are used. The maximum output source current is higher than the maximum sink current, and is independent of IQ. Like most amplifiers, there are output loads for which the amplifier stability is not guaranteed. In particular, avoid capacitive loads greater than 100pF; and while on the 1mA IQ setting, avoid loads less than 5k. Since the output stage is a transconductance output, very large (>10F) capacitive loads will create a dominant pole and the output will be stable, even with loads that are less than 5k. ICL761X-ICL764X Input Offset Nulling The input offset can be nulled by connecting a 25k pot between the OFFSET terminals with the wiper connected to V+. At quiescent currents of 1mA and 100A, the nulling range provided is adequate for all V OS selections. However, with higher values of VOS, and an IQ of 10A, nulling may not be possible. Extended Common-Mode Voltage Range (ICL7612/ICL7616) A common-mode voltage range that includes both V+ and V- is often desirable, especially in single-supply operation. The ICL7612/ICL7616 extended commonmode range op amps are designed specifically to meet this need. The ICL7612 input common-mode voltage range (CMVR) extends beyond both power-supply rails when operated with at least 3V total supply and an IQ of 10A or 100A. The ICL7616 CMVR includes the negative supply voltage (or ground when operated with a single supply) at an IQ or 10A or 100A. Frequency Compensation All of the ICL7611 and ICL7621 series except the ICL7614 are internally compensated for unity-gain operation. The ICL7614 is externally compensated by a capacitor connected between COMP and OUT pins, with 39pF being greater than unity. The compensation capacitor value may be reduced to increase the bandwidth and slew rate. The ICL7132 is not compensated and does not have frequency compensation pins. Use only at gains 20 at IQ of 1mA; at gains > 10 at IQ of 100A; at gain > 5 at IQ of 10A. PC Board Layout Careful PC board layout techniques must be used to take full advantage of the very low bias current of the ICL7611 family. The inputs should be encircled with a low-impedance trace, or guard, that is at the same potential as the inputs. In an inverting amplifier, this is normally ground; in a unity-gain buffer connect the guard to the output. A convenient way of guarding the 8-pin TO-99 version of the ICL7611 is to use a 10-pin circle, with the two extra pads on either side of the input pins to provide space for a guard ring (see Figure 8). Assembled boards should be carefully cleaned, and if a high humidity environment is expected, conformally coated. Output Loading Considerations Approximately 70% of the amplifier's quiescent current flows in the output stage. The output swing can approach the supply rails for output loads of 1M, 100k, and 10k, using the output stage in a highly linear Class A mode. Crossover distortion is avoided ______________________________________________________________________________________ 21 Single/Dual/Triple/Quad Operational Amplifiers ICL761X-ICL764X Single-Supply Operation The ICL7611 family will operate from a single 2V to 16V power supply. The common-mode voltage range of the standard amplifier types when operated from a single supply is 1.0V to (V+ - 0.6V) at 10A IQ. At 100A IQ, the CMVR is 1.0V to (V+ - 0.8V), and at 1mA IQ, the CMVR is 1.3V to (V+ - 1.3V). If this CMVR range is insufficient, use the ICL7612, whose CMVR includes both ground and V+, or the ICL7616, whose CMVR includes ground. A convenient way to generate a psuedo-ground at V+/2 is to use one op amp of a quad to buffer a V+/2 voltage from a high-impedance resistive divider. Low-Voltage Operation Operation at VSUPP = 1.0V is only guaranteed at IQ = 10A. Output swings to within a few millivolts of the supply rails are achievable for R L (> or =) 1M. Guaranteed input CMVR is 0.6V minimum and typically +0.9V to -0.7V at VSUPP = 1.0V. For applications where greater common-mode range is desirable, see the description of ICL7612 and ICL7616 above. Applications Information Note that in no case is IQ shown. The value of IQ must be chosen by the designer with regard to frequency response and power dissipation. + + A1 R2 R R3 R1 VIN R +18V R2 25k + A3 VOUT VIN + ICL7612 RL 10k VOUT R3 + A2 GAIN = R3 2R2 +1 R R1 ( ) Figure 2. Simple Follower--By using the ICL7612 in these applications, the circuits will follow rail-to-rail inputs Figure 1. Instrumentation Amplifier--Adjust R3 to improve CMRR. The offset of all three amplifiers is nulled by the offset adjustment of A2. 22 ______________________________________________________________________________________ Single/Dual/Triple/Quad Operational Amplifiers ICL761X-ICL764X +5 VIN 100k + VOUT TO CMOS OR LPTTL LOGIC +5 IH5040 1F + ICL7611 + VOUT 1M Figure 3. Level Detector--By using the ICL7612 in these applications, the circuits will follow rail-to-rail inputs. Figure 4. Photocurrent Integrator--Low-leakage currents allow integration times up to several hours. 1M + 2 ICL7621 1 1M + 1M VDUTY CYCLE V+ VIN VON 0.05F 10k 2.2M 20k 2 ICL7621 1 + 1 2 ICL7621 10F 1.8k = 5% SCALE ADJUST 20k TO SUCCEEDING INPUT STAGE VOL COMMON + 1 2 ICL7621 880k Figure 5. Precise Triangle/Square Wave Generator--The frequency and duty cycle are virtually independent of power supply. Figure 6. Averaging AC to DC Converter--Recommended for Maxim's ICL7106/ICL7107/ICL7109 A/D Converters. +15V +15V 100 10k V+ IO 10k VNOTES: 1. ICL7611, 7612, 7616, 7631, 7632 2. ICL7611, 7612, 7616, 7621, 7622, 7631, 7641, 7642 COMP OUT NOTE 1 BOTTOM VIEW V+ IOSET OUTPUT NOTE 2 7 6 5 4 8 1 2 3 IN PU TS V GUARD Figure 7. Burn-In and Life Test Circuit Figure 8. Input Guard for TO-99 ______________________________________________________________________________________ 23 Single/Dual/Triple/Quad Operational Amplifiers ICL761X-ICL764X S/H CONTROL INPUT CINT 1F RIN VIN VOUT 100k R1 1 2 ICL7622 A1 S2 S1 1 2 ICL7622 A2 + VOUT IH5141 VIN CHOLD Figure 9. Low Droop Rate Sample and Hold--S2 improves accuracy and acquisition time by including the voltage drop across S1 inside the feedback loop. R1 closes the feedback loop of A1 during the hold phase. The droop rate is [IBIAS(AZ) + ILEAK(S1) + ILEAK(S2)]/CHOLD. CFB Figure 10. Long-Time Constant Integrator--With RIN = 1011, the time constant of this integrator is 100,000s. Since the input voltage is converted to a current by RIN, the input voltage can far exceed the power-supply range. 10M 10M + OUTPUT RFB - 1011 VIN 540pF ICL7611 CURRENT SOURCE + VO = 100mV/pA 5M 270pF 270pF Figure 11. Pico Ammeter--The response time of this curcuit is RFB x CFB, where CFB is the stray capacitance between the output and the inverting terminal of the amplifier. Figure 12. 60Hz Twin "T" Notch Filter--The low 1pA bias current of the ICL7611 allows use of small 540pF and 270pF capacitors, even with a notch frequency of 60Hz. The 60Hz rejection is approximately 40dB. Typical Operating Circuit CINT RIN VIN + VOUT LONG TIME CONSTANT INTEGRATOR (Detailed Circuit Diagram -- Figure 10) 24 ______________________________________________________________________________________ Single/Dual/Triple/Quad Operational Amplifiers Chip Topographies ICL761X-ICL764X Package Information For the latest package outline information and land patterns, go to www.maxim-ic.com/packages. Note that a "+", "#", or "-" in the package code indicates RoHS status only. Package drawings may show a different suffix character, but the drawing pertains to the package regardless of RoHS status. PACKAGE TYPE TO99 8 PDIP 8 SO 8 CDIP 14 PDIP 14 CDIP 16 PDIP 16 SO 16 Wide SO PACKAGE CODE T99-8 P8-1 S8-2 J16-3 P14-3 J14-3 P16-1 S16-1 W16-2 DOCUMENT NO. 21-0022 21-0043 21-0041 21-0045 21-0043 21-0045 21-0043 21-0041 21-0042 ______________________________________________________________________________________ 25 Single/Dual/Triple/Quad Operational Amplifiers ICL761X-ICL764X Revision History REVISION NUMBER 2 3 REVISION DATE 4/08 5/10 DESCRIPTION Removed all part numbers offered in die form from the Ordering Information Corrected letter grades in EC table headings PAGES CHANGED 2, 11 13-17 Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 26 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 (c) 2010 Maxim Integrated Products Maxim is a registered trademark of Maxim Integrated Products, Inc. |
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