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Final Electrical Specifications
LT1636 Over-The-Top Micropower Rail-to-Rail Input and Output Op Amp
FEATURES
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DESCRIPTION
May 1998
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Rail-to-Rail Input and Output Micropower: 55A IQ, 44V Supply MSOP Package Over-The-TopTM:Input Common Mode Range Extends 44V Above VEE, Independent of VCC Low Input Offset Voltage: 225V Max Specified on 3V, 5V and 15V Supplies High Output Current: 18mA Output Shutdown Output Drives 10,000pF with Output Compensation Reverse Battery Protection to 27V High Voltage Gain: 2000V/mV High CMRR: 110dB 220kHz Gain Bandwidth Product
APPLICATIONS
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Battery- or Solar-Powered Systems Portable Instrumentation Sensor Conditioning Supply Current Sensing Battery Monitoring MUX Amplifiers 4mA to 20mA Transmitters
The LT(R)1636 op amp operates on all single and split supplies with a total voltage of 2.7V to 44V drawing less than 55A of quiescent current. The LT1636 can be shut down, making the output high impedance and reducing the quiescent current to 4A. The LT1636 has a unique input stage that operates and remains high impedance when above the positive supply. The inputs take 44V both differential and common mode, even when operating on a 3V supply. The output swings to both supplies. Unlike most micropower op amps, the LT1636 can drive heavy loads; its rail-to-rail output drives 18mA. The LT1636 is unity-gain stable into all capacitive loads up to 10,000pF when a 0.22F and 150 compensation network is used. The LT1636 is reverse supply protected: it draws no current for reverse supply up to 27V. Built-in resistors protect the inputs for faults below the negative supply up to 22V. There is no phase reversal of the output for inputs 5V below VEE or 44V above VEE, independent of VCC. The LT1636 op amp is available in the 8-pin MSOP, 8-pin PDIP and SO packages.
, LTC and LT are registered trademarks of Linear Technology Corporation. Over-The-Top is a trademark of Linear Technology Corporation.
TYPICAL APPLICATION
MUX Amplifier
5V VIN1
MUX Amplifier Waveforms
+
LT1636 S/D VOUT
-
5V VIN2
+
LT1636 S/D
-
VS = 2.5V VIN1 = 1.2kHz AT 4VP-P, VIN2 = 2.4kHz AT 2VP-P INPUT SELECT = 120Hz AT 5VP-P
1636 TA01
INPUT SELECT 74HC04
Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no representation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
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U
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1636 TA02
1
LT1636
ABSOLUTE MAXIMUM RATINGS
Total Supply Voltage (V + to V -) .............................. 44V Input Differential Voltage ......................................... 44V Input Current ...................................................... 25mA Output Short-Circuit Duration (Note 1) ......... Continuous Operating Temperature Range ................ - 40C to 85C Specified Temperature Range (Note 2) .. - 40C to 85C Junction Temperature........................................... 150C Storage Temperature Range ................. - 65C to 150C Lead Temperature (Soldering, 10 sec).................. 300C
PACKAGE/ORDER INFORMATION
TOP VIEW NULL -IN +IN V- 1 2 3 4 8 7 6 5 NULL V+ OUT SHDN
ORDER PART NUMBER LT1636CMS8 MS8 PART MARKING LTCL
MS8 PACKAGE 8-LEAD PLASTIC MSOP
TJMAX = 150C, JA = 250C/ W
Consult factory for Military grade parts.
3V, 5V ELECTRICAL CHARACTERISTICS
VS = 3V, 0V; VS = 5V, 0V; VCM = VOUT = half supply, Pin 5 = open or VEE, Pins 1 and 8 open, TA = 25C unless otherwise noted. (Note 2)
SYMBOL VOS PARAMETER Input Offset Voltage CONDITIONS N8 Package 0C TA 70C - 40C TA 85C S8 Package 0C TA 70C - 40C TA 85C MS8 Package 0C TA 70C - 40C TA 85C Input Offset Voltage Drift (Note 7) N8 Package, - 40C TA 85C S8 Package, - 40C TA 85C MS8 Package, - 40C TA 85C VCM = 44V (Note 3) IB Input Bias Current VCM = 44V (Note 3) VS = 0V Input Noise Voltage en in RIN Input Noise Voltage Density Input Noise Current Density Input Resistance 0.1Hz to 10Hz f = 1kHz f = 1kHz Differential Common Mode, VCM = 0V to 44V 6 7
q q
IOS
Input Offset Current
2
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U
W
WW U
W
TOP VIEW NULL 1 -IN 2 +IN 3 V- 4 8 7 6 5 NULL V+ OUT SHDN
ORDER PART NUMBER LT1636CN8 LT1636CS8 LT1636IN8 LT1636IS8 S8 PART MARKING 1636 1636I
N8 PACKAGE 8-LEAD PLASTIC DIP S8 PACKAGE 8-LEAD PLASTIC SO
TJMAX = 150C, JA = 130C/ W (N8) TJMAX = 150C, JA = 190C/ W (S8)
MIN
TYP 50
MAX 225 400 550 225 600 750 225 700 850 5 8 10 0.8 0.6 8 6
UNITS V V V V V V V V V V/C V/C V/C nA A nA A nA VP-P nV/Hz pA/Hz M M
50
q q
50
q q q q q q q q q
1 2 2 0.1 5 3 0.1 1 52 0.035 10 15
LT1636 3V, 5V ELECTRICAL CHARACTERISTICS
VS = 3V, 0V; VS = 5V, 0V; VCM = VOUT = half supply, Pin 5 = open or VEE, Pins 1 and 8 open, TA = 25C unless otherwise noted. (Note 2)
SYMBOL CIN CMRR AVOL PARAMETER Input Capacitance Input Voltage Range Common Mode Rejection Ratio (Note 3) Large-Signal Voltage Gain VCM = 0V to VCC - 1V VCM = 0V to 44V (Note 6) VS = 3V, VO = 500mV to 2.5V, RL = 10k VS = 3V, 0C TA 70C VS = 3V, - 40C TA 85C VS = 5V, VO = 500mV to 4.5V, RL = 10k VS = 5V, 0C TA 70C VS = 5V, - 40C TA 85C VOL Output Voltage Swing LOW No Load ISINK = 5mA VS = 5V, ISINK = 10mA VS = 3V, No Load VS = 3V, ISOURCE = 5mA VS = 5V, No Load VS = 5V, ISOURCE = 10mA ISC Short-Circuit Current (Note 1) VS = 3V, Short to GND VS = 3V, Short to VCC VS = 5V, Short to GND VS = 5V, Short to VCC PSRR IS Power Supply Rejection Ratio Reverse Supply Voltage Supply Current (Note 4)
q q q q q q q q q q q q q q q
CONDITIONS
MIN 0 84 86 200 133 100 400 250 200
TYP 4
MAX 44
UNITS pF V dB dB V/mV V/mV V/mV V/mV V/mV V/mV
110 98 1300
2000
2 480 860 2.95 2.55 4.95 4.30 7 20 12 25 2.985 2.8 4.985 4.75 15 42 25 50 103 40 42
10 875 1600
mV mV mV V V V V mA mA mA mA dB V
VOH
Output Voltage Swing HIGH
VS = 2.7V to 12.5V, VCM = VO = 1V IS = - 100A
q q
90 27
55 60 12 15 5 1 150
A A A nA A A A s s kHz kHz kHz V/s V/s V/s
Supply Current, SHDN ISD Shutdown Pin Current Output Leakage Current Maximum Shutdown Pin Current tON tOFF GBW Turn-On Time Turn-Off Time Gain Bandwidth Product (Note 3) Slew Rate (Note 5)
VPIN5 = 2V, No Load (Note 4) VPIN5 = 0.3V, No Load (Note 4) VPIN5 = 2V, No Load (Note 3) VPIN5 = 2V, No Load (Note 4) VPIN5 = 32V, No Load (Note 3) VPIN5 = 5V to 0V, RL = 10k VPIN5 = 0V to 5V, RL = 10k f = 1kHz 0C TA 70C - 40C TA 85C AV = - 1, RL = 0C TA 70C - 40C TA 85C
q q q q q
4 0.5 1.1 0.05 27 120 2.5 110 100 90 0.035 0.031 0.030 200
q q q q
SR
0.07
3
LT1636 15V ELECTRICAL CHARACTERISTICS
VS = 15V, VCM = 0V, VOUT = 0V, Pin 5 = open or VEE, Pins 1 and 8 open, TA = 25C unless otherwise noted. (Note 2)
SYMBOL VOS PARAMETER Input Offset Voltage CONDITIONS N8 Package 0C TA 70C - 40C TA 85C S8 Package 0C TA 70C - 40C TA 85C MS8 Package 0C TA 70C - 40C TA 85C Input Offset Voltage Drift (Note 7) N8 Package, - 40C TA 85C S8 Package, - 40C TA 85C MS8 Package, - 40C TA 85C
q q
MIN
TYP 100
MAX 450 550 700 450 750 900 450 850 1000 4 8 10 1.0 10
UNITS V V V V V V V V V V/C V/C V/C nA nA VP-P nV/Hz pA/Hz M M pF
100
q q
100
q q q q q q q
1 2 2 0.2 4 1 52 0.035 5.2 13 12000 4
IOS IB en in RIN CIN CMRR AVOL
Input Offset Current Input Bias Current Input Noise Voltage Input Noise Voltage Density Input Noise Current Density Input Resistance Input Capacitance Input Voltage Range Common Mode Rejection Ratio Large-Signal Voltage Gain VCM = - 15V to 29V VO = 14V, RL = 10k 0C TA 70C - 40C TA 85C No Load ISINK = 5mA ISINK = 10mA No Load ISOURCE = 5mA ISOURCE = 10mA Short to GND 0C TA 70C - 40C TA 85C VS = 1.35V to 22V 0.1Hz to 10Hz f = 1kHz f = 1kHz Differential Common Mode, VCM = - 15V to 14V
q q q q q q q q q q q q q q
- 15 86 100 75 50 103 500
29
V dB V/mV V/mV V/mV
VOL
Output Voltage Swing LOW
- 14.997 - 14.500 - 14.125 14.9 14.5 14.3 18 15 10 90 14.975 14.750 14.650 30
- 14.95 - 14.07 - 13.35
V V V V V V mA mA mA dB
VOH
Output Voltage Swing HIGH
ISC
Short-Circuit Current (Note 1)
PSRR IS
Power Supply Rejection Ratio Supply Current Positive Supply Current, SHDN
114 50 70 85 30 15 8 150 2
A A A nA A A A kHz kHz kHz
VPIN5 = - 20V, VS = 22V, No Load VPIN5 = - 21.7V, VS = 22V, No Load VPIN5 = - 20V, VS = 22V, No Load VPIN5 = 32V, VS = 22V VPIN5 = - 20V, VS = 22V, No Load f = 1kHz 0C TA 70C - 40C TA 85C
q q q q q q q
12 0.7 1.2 27 0.1 125 110 100 220
ISHDN
Shutdown Pin Current Maximum Shutdown Pin Current Output Leakage Current
GBW
Gain Bandwidth Product
4
LT1636 15V ELECTRICAL CHARACTERISTICS
VS = 15V, VCM = 0V, VOUT = 0V, Pin 5 = open or VEE, Pins 1 and 8 open, TA = 25C unless otherwise noted. (Note 2)
SYMBOL SR PARAMETER Slew Rate CONDITIONS AV = - 1, RL = , VO = 10V Measured at 5V 0C TA 70C - 40C TA 85C
q q
MIN 0.0375 0.033 0.030
TYP 0.085
MAX
UNITS V/s V/s V/s
The q denotes specifications that apply over the full specified temperature range. Note 1: A heat sink may be required to keep the junction temperature below absolute maximum. Note 2: The LT1636C is guaranteed to meet specified performance from 0C to 70C and is designed, characterized and expected to meet these extended temperature limits, but is not tested at -40C and 85C. The LT1636I is guaranteed to meet the extended temperature limits. Note 3: VS = 5V limits are guaranteed by correlation to VS = 3V, and VS = 15V or VS = 22V tests.
Note 4: VS = 3V limits are guaranteed by correlation to VS = 5V, and VS = 15V or VS = 22V tests. Note 5: Guaranteed by correlation to slew rate at VS = 15V, and GBW at VS = 3V and VS = 15V tests. Note 6: This specification implies a typical input offset voltage of 600V at VCM = 44V and a maximum input offset voltage of 3mV at VCM = 44V. Note 7: This parameter is not 100% tested.
PACKAGE DESCRIPTION
0.007 (0.18) 0.021 0.006 (0.53 0.015)
* DIMENSION DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS. MOLD FLASH, PROTRUSIONS OR GATE BURRS SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE ** DIMENSION DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSIONS. INTERLEAD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
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Dimensions in inches (millimeters) unless otherwise noted.
MS8 Package 8-Lead Plastic MSOP
(LTC DWG # 05-08-1660)
0.118 0.004* (3.00 0.102) 8 76 5
0.192 0.004 (4.88 0.10)
0.118 0.004** (3.00 0.102)
1 0.040 0.006 (1.02 0.15) 0 - 6 TYP SEATING PLANE 0.012 (0.30) 0.0256 REF (0.65) TYP
23
4 0.034 0.004 (0.86 0.102)
0.006 0.004 (0.15 0.102)
MSOP (MS8) 1197
5
LT1636
PACKAGE DESCRIPTION U
Dimensions in inches (millimeters) unless otherwise noted.
N8 Package 8-Lead PDIP (Narrow 0.300)
(LTC DWG # 05-08-1510)
0.400* (10.160) MAX 8 7 6 5
0.255 0.015* (6.477 0.381)
1 0.300 - 0.325 (7.620 - 8.255)
2
3
4 0.130 0.005 (3.302 0.127)
0.045 - 0.065 (1.143 - 1.651)
0.009 - 0.015 (0.229 - 0.381)
0.065 (1.651) TYP 0.125 (3.175) 0.020 MIN (0.508) MIN 0.018 0.003 (0.457 0.076) N8 1197
(
+0.035 0.325 -0.015 8.255 +0.889 -0.381
)
0.100 0.010 (2.540 0.254)
*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS. MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.010 INCH (0.254mm)
6
LT1636
PACKAGE DESCRIPTION
0.010 - 0.020 x 45 (0.254 - 0.508) 0.008 - 0.010 (0.203 - 0.254) 0- 8 TYP
0.016 - 0.050 0.406 - 1.270
*DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE **DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
U
Dimensions in inches (millimeters) unless otherwise noted.
S8 Package 8-Lead Plastic Small Outline (Narrow 0.150)
(LTC DWG # 05-08-1610)
0.189 - 0.197* (4.801 - 5.004) 8 7 6 5
0.228 - 0.244 (5.791 - 6.197)
0.150 - 0.157** (3.810 - 3.988)
1 0.053 - 0.069 (1.346 - 1.752)
2
3
4
0.004 - 0.010 (0.101 - 0.254)
0.014 - 0.019 (0.355 - 0.483)
0.050 (1.270) TYP
SO8 0996
7
LT1636
TYPICAL APPLICATIONS U
Square Wave Oscillator
5V 100k 59k
Optional Offset Adjust and Optional Output Compensation for Capacitive Loads Greater Than 200pF
+
100k LT1636 VOUT
VIN
+
LT1636
-
R 50k C 0.1F
1636 TA03
-
1 10k
8
CL 10,000pF
0.22F 150
f= 1 2RC VOUT = 5VP-P WITH 5V SUPPLY TOTAL CURRENT = 200A AT VS = 5V, R = 50k, C = 1nF OUTPUT IS 5kHz SLEW LIMITED TRIANGLE WAVE
V-
1636 TA04
RELATED PARTS
PART NUMBER LT1460 LT1466/LT1467 LT1490/LT1491 LT1495/LT1496 LT2078/LT2079 LT2178/LT2179 DESCRIPTION Micropower Precision Series Reference 75A Dual/Quad Rail-to-Rail Input and Output Op Amps 50A Dual/Quad Rail-to-Rail Input and Output Op Amps 1.5A Max, Dual/Quad Precision Rail-to-Rail Input and Output Op Amps 55A Dual/Quad Precision Single Supply Op Amps 17A Dual/Quad Precision Single Supply Op Amps COMMENTS Accuracy: 0.075% Max, Drift: 10ppm/C Max, 2.5V, 5V, 10V Versions Available 390V VOS(MAX), Gain Bandwidth = 120kHz 950V VOS(MAX), Gain Bandwidth = 200kHz 375V VOS(MAX), 1.5A Supply Current Max 120V VOS(MAX), Gain Bandwidth = 200kHz 120V VOS(MAX), Gain Bandwidth = 60kHz
8
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408)432-1900 q FAX: (408) 434-0507 q www.linear-tech.com
1636I LT/TP 0598 4K * PRINTED IN USA
(c) LINEAR TECHNOLOGY CORPORATION 1998

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