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LT1466L/LT1467L Micropower Dual/Quad Precision Rail-to-Rail Input and Output Op Amps
FEATURES
s s s s s s s s
DESCRIPTION
The LT(R)1466L/LT1467L are dual/quad bipolar op amps that combine rail-to-rail input and output operation with precision specifications. Using a patented technique, both input stages of the LT1466L/LT1467L are trimmed: one at the negative supply and the other at the positive supply. The resulting common mode rejection of 83dB minimum is much better than other rail-to-rail input op amps. A minimum open-loop gain of 400V/mV into a 10k load virtually eliminates all gain error. Operation is specified for 3V, 5V and 5V supplies. Unlike other rail-to-rail amplifiers, the input offset voltage of 390V maximum is guaranteed across the entire rail-torail input range, not just at half supply. The graph below contrasts the VOS specifications of the LT1466L/LT1467L to a competitive part that is specified only at half supply. As can be seen, the LT1466L/LT1467L's limits are much tighter for inputs near either supply. The LT1466L is available in 8-lead PDIP and SO-8 packages with the standard dual pinout. The LT1467L features the standard quad pinout and is available in a 16-lead narrow SO package.
, LTC and LT are registered trademarks of Linear Technology Corporation.
Rail-to-Rail Input and Output Low Supply Current: 75A Max 390V VOS(MAX) for VCM = V - to V + High Common Mode Rejection Ratio: 83dB Min High AVOL: 400V/mV Min Wide Supply Range: 2V to 5V Low Input Bias Current: 6nA Typ 120kHz Gain Bandwidth Product
APPLICATIONS
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Supply Current Sensing Driving A/D Converters Test Equipment Amplifiers
TYPICAL APPLICATION
Variable Current Source
VCC
2000
R2 10k VIN 0V TO 2.5V
R3 5.1
INPUT OFFSET VOLTAGE (V)
1000
+
1/2 LT1466L VN2222 10k
+
1/2 LT1466L TP0610
0
-
-
R2 IO = VIN R1 = VIN 51
-1000
R1 100k
( )( ) ()
1 R3
IO
-2000 0
1466L/67L TA01
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Worst-Case VOS vs Input Common Mode Voltage
TYPICAL RAIL-TO-RAIL AMPLIFIER (65dB CMRR)
LT1467L LIMITS
2 3 1 4 INPUT COMMON MODE VOLTAGE (V)
5
1466L/67L TA02
1
LT1466L/LT1467L
ABSOLUTE MAXIMUM RATINGS
Supply Voltage ........................................................ 8V Input Current ...................................................... 15mA Output Short-Circuit Duration (Note 1) .........Continuous Specified Temperature Range ...................... 0C to 70C Junction Temperature ........................................... 150C Storage Temperature Range ................. - 65C to 150C Lead Temperature (Soldering, 10 sec).................. 300C
PACKAGE/ORDER INFORMATION
TOP VIEW OUT A 1 -IN A 2 A +IN A 3 V- 4 N8 PACKAGE 8-LEAD PDIP B 5 8 7 6 V+ OUT B -IN B +IN B
ORDER PART NUMBER LT1466LCN8 LT1466LCS8 S8 PART MARKING 1466L
S8 PACKAGE 8-LEAD PLASTIC SO
TJMAX = 150C, JA = 130C/ W (N) TJMAX = 150C, JA = 190C/ W (S)
Consult factory for Industrial and Military grade parts.
ELECTRICAL CHARACTERISTICS
TA = 25C, VS = 5V, 0V; VS = 3V, 0V; VCM = VO = half supply, unless otherwise noted.
SYMBOL VOS VOS PARAMETER Input Offset Voltage Input Offset Voltage Shift Input Offset Voltage Match (Channel-to-Channel) Input Bias Current Input Bias Current Shift Input Offset Current Input Offset Current Shift Input Bias Current Match (Channel-to-Channel) Input Noise Voltage Density Input Noise Current Density Large-Signal Voltage Gain CONDITIONS VCM = V + VCM = V - VCM = V - to V + VCM = V -, V + (Notes 3, 4) VCM = V + VCM = V - VCM = V - to V + VCM = V + VCM = V - VCM = V - to V + VCM = V + (Note 4) VCM = V - (Note 4) f = 1kHz f = 1kHz VS = 5V, VO = 0.5V to 4.4V, RL = 10k VS = 3V, VO = 0.5V to 2.4V, RL = 10k MIN TYP 110 110 75 150 3 -6 9 0.6 0.4 0.9 0.6 0.6 45 0.05 1500 1000 MAX 390 390 345 550 14 28 3.6 3.6 5.1 5.1 5.1 UNITS V V V V nA nA nA nA nA nA nA nA nV/Hz pA/ Hz V/mV V/mV
IB IB IOS IOS
en in AVOL
2
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W
WW U
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TOP VIEW OUT A 1 - IN A 2 + IN A 3 V+ 4 B C A D 16 OUT D 15 - IN D 14 + IN D 13 V - 12 + IN C 11 - IN C 10 OUT C 9 NC
ORDER PART NUMBER LT1467LCS
+ IN B 5 - IN B 6 OUT B 7 NC 8
S PACKAGE 16-LEAD PLASTIC SO
TJMAX = 150C, JA = 150C/ W
- 14
400 250
LT1466L/LT1467L
ELECTRICAL CHARACTERISTICS
TA = 25C, VS = 5V, 0V; VS = 3V, 0V; VCM = VO = half supply, unless otherwise noted.
SYMBOL CMRR PSRR VOL PARAMETER Common Mode Rejection Ratio CMRR Match (Channel-to-Channel) Power Supply Rejection Ratio PSRR Match (Channel-to-Channel) Output Voltage Swing LOW CONDITIONS VCM = V - to V +, VS = 5V VCM = V - to V +, VS = 5V (Note 4) VS = 2.3V to 12V, VCM = VO = 0.5V VS = 2.3V to 12V, VCM = VO = 0.5V (Note 4) No Load ISINK = 0.5mA ISINK = 2.5mA No Load ISOURCE = 0.5mA ISOURCE = 2.5mA MIN 83 80 90 84 TYP 96 93 105 105 32 135 235 + - 0.026 V V+ - 0.135 V+ - 0.265 17 60 MAX UNITS dB dB dB dB mV mV mV V V V mA A
60 270 470
VOH
Output Voltage Swing HIGH
ISC IS
Short-Circuit Current Supply Current per Amplifier
V+ - 0.052 V+ - 0.270 V+ - 0.570 10
75
0C TA 70C, VS = 5V, 0V; VS = 3V, 0V; VCM = VO = half supply, unless otherwise noted.
SYMBOL VOS VOS TC VOS PARAMETER Input Offset Voltage Input Offset Voltage Drift (Note 2) Input Offset Voltage Shift Input Offset Voltage Match (Channel-to-Channel) Input Bias Current CONDITIONS VCM = V + VCM = V - VCM = V - to V + VCM = V -, V + (Notes 3, 4) MIN
q q q q q q q q q q q q q q q q q q q q q q q q q q q
TYP 140 140 2 80 170 8 -8 16 0.7 0.5 0.8 0.7 0.6 500 400 96 93 105 105 42 150 270 V+ - 0.033 V+ - 0.155 V+ - 0.310 16 70
MAX 585 585 7 500 825 16 32 5.3 5.3 7.5 7.5 7.5
UNITS V V V/C V V nA nA nA nA nA nA nA nA V/mV V/mV dB dB dB dB mV mV mV V V V mA A
IB IB IOS IOS
AVOL CMRR PSRR VOL
VOH
ISC IS
VCM = V + VCM = V - Input Bias Current Shift VCM = V - to V + Input Offset Current VCM = V + VCM = V - Input Offset Current Shift VCM = V - to V + Input Bias Current Match VCM = V + (Note 4) (Channel-to-Channel) VCM = V - (Note 4) Large-Signal Voltage Gain VS = 5V, VO = 0.5V to 4.4V, RL = 10k VS = 3V, VO = 0.5V to 2.4V, RL = 10k Common Mode Rejection Ratio VCM = V - to V +, VS = 5V CMRR Match (Channel-to-Channel) VCM = V - to V +, VS = 5V (Note 4) Power Supply Rejection Ratio VS = 2.3V to 12V, VCM = VO = 0.5V PSRR Match (Channel-to-Channel) VS = 2.3V to 12V, VCM = VO = 0.5V (Note 4) Output Voltage Swing LOW No Load ISINK = 0.5mA ISINK = 2.5mA Output Voltage Swing HIGH No Load ISOURCE = 0.5mA ISOURCE = 2.5mA Short-Circuit Current Supply Current per Amplifier
- 16
100 70 80 75 80 80
80 300 540
V+ - 0.065 V+ - 0.305 V+ - 0.620 7
85
3
LT1466L/LT1467L
ELECTRICAL CHARACTERISTICS
TA = 25C, VS = 5V, VCM = VO = 0V, unless otherwise noted.
SYMBOL VOS VOS PARAMETER Input Offset Voltage Input Offset Voltage Shift Input Offset Voltage Match (Channel-to-Channel) Input Bias Current CONDITIONS VCM = V + VCM = V - VCM = V - to V + VCM = V -, V + (Notes 3, 4) MIN TYP 120 120 80 150 3 -6 9 0.6 0.4 0.9 0.6 0.6 450 130 0.04 102 99 V - + 0.032 V - + 0.135 V - + 0.235 V+ - 0.026 V+ - 0.135 V+ - 0.265 18 70 120 MAX 475 475 390 685 14 28 3.6 3.6 5.1 5.1 5.1 UNITS V V V V nA nA nA nA nA nA nA nA V/mV dB V/s dB dB V V V V V V mA A kHz
IB IB IOS IOS
AVOL SR CMRR VOL
VOH
ISC IS GBW
VCM = V + VCM = V - Input Bias Current Shift VCM = V - to V + Input Offset Current VCM = V + VCM = V - Input Offset Current Shift VCM = V - to V + Input Bias Current Match VCM = V + (Note 4) (Channel-to-Channel) VCM = V - (Note 4) Large-Signal Voltage Gain VO = 4.25V, RL = 10k Channel Separation VO = 4.25V, RL = 10k Slew Rate AV = - 1, RL = Common Mode Rejection Ratio VCM = V - to V + CMRR Match (Channel-to-Channel) VCM = V - to V + (Note 4) Output Voltage Swing LOW No Load ISINK = 0.5mA ISINK = 2.5mA Output Voltage Swing HIGH No Load ISOURCE = 0.5mA ISOURCE = 2.5mA Short-Circuit Current Supply Current per Amplifier Gain Bandwidth Product f = 1kHz
- 14
250 120 0.018 88 82
V - + 0.060 V - + 0.270 V - + 0.470
V+ - 0.052 V+ - 0.270 V+ - 0.570 10
80
0C TA 70C, VS = 5V, VCM = VO = 0V, unless otherwise noted.
SYMBOL VOS VOS PARAMETER Input Offset Voltage Input Offset Voltage Shift Input Offset Voltage Match (Channel-to-Channel) Input Bias Current CONDITIONS VCM = V + VCM = V - VCM = V - to V + VCM = V -, V + (Notes 3, 4) MIN
q q q q q q q q q q q q q q q q
TYP 150 150 90 180 8 -8 16 0.8 0.6 0.9 0.7 0.6 250 130 101 98
MAX 660 660 500 900 16 32 5.3 5.3 7.5 7.5 7.5
UNITS V V V V nA nA nA nA nA nA nA nA V/mV dB dB dB
IB IB IOS IOS
AVOL CMRR
VCM = V + VCM = V - Input Bias Current Shift VCM = V - to V + Input Offset Current VCM = V + VCM = V - Input Offset Current Shift VCM = V - to V + Input Bias Current Match VCM = V + (Note 4) (Channel-to-Channel) VCM = V - (Note 4) Large-Signal Voltage Gain VO = 4.25V, RL = 10k Channel Separation VO = 4.25V, RL = 10k Common Mode Rejection Ratio VCM = V - to V + CMRR Match (Channel-to-Channel) VCM = V - to V + (Note 4)
- 16
100 120 86 80
4
LT1466L/LT1467L
ELECTRICAL CHARACTERISTICS
0C TA 70C, VS = 5V, VCM = VO = 0V, unless otherwise noted.
SYMBOL VOL PARAMETER Output Voltage Swing LOW CONDITIONS No Load ISINK = 0.5mA ISINK = 2.5mA No Load ISOURCE = 0.5mA ISOURCE = 2.5mA MIN
q q q q q q q q
VOH
Output Voltage Swing HIGH
ISC IS
Short-Circuit Current Supply Current per Amplifier
V+ - 0.065 V+ - 0.305 V+ - 0.620 7
TYP V - + 0.042 V - + 0.150 V - + 0.270 V+ - 0.033 V+ - 0.155 V+ - 0.310 18 70
MAX V - + 0.080 V - + 0.300 V - + 0.540
90
UNITS V V V V V V mA A
The q denotes specifications which apply over the full operating temperature range. Note 1: A heat sink may be required to keep the junction temperature below the Absolute Maximum Rating when the output is shorted indefinitely. Note 2: This parameter is not 100% tested.
Note 3: Input offset match is the difference in offset voltage between amplifiers measured at both VCM = V - and VCM = V +. Note 4: Matching parameters are the difference between amplifiers A and D and between B and C.
TYPICAL PERFORMANCE CHARACTERISTICS
VOS Distribution, VCM = 0V
25 VS = 5V, 0V VCM = 0V 1900 AMPLIFIERS
25 VS = 5V, 0V VCM = 5V 1900 AMPLIFIERS
20
PERCENT OF UNITS (%)
15
PERCENT OF UNITS (%)
PERCENT OF UNITS (%)
10
5
0 - 400 - 300 - 200 -100 0 100 200 300 400 INPUT OFFSET VOLTAGE (V)
1466L/67L G01
UW
VOS Distribution, VCM = 5V
25
VOS Shift, VCM = 0V to 5V
VS = 5V, 0V VCM = 0V TO 5V 1900 AMPLIFIERS
20 15
20 15
10
10
5
5
0 - 400 - 300 - 200 -100 0 100 200 300 400 INPUT OFFSET VOLTAGE (V)
1466L/67L G02
0 - 400 - 300 - 200 -100 0 100 200 300 400 INPUT OFFSET VOLTAGE SHIFT (V)
1466L/67L G03
5
LT1466L/LT1467L TYPICAL PERFORMANCE CHARACTERISTICS
Supply Current vs Temperature
80
SUPPLY CURRENT PER AMPLIFIER (A)
60 50 40 30 20 10 0 - 40 - 20 0 40 60 20 TEMPERATURE (C) 80 100 VS = 5V, 0V
100
TA = - 40C TA = 25C TA = 85C
INPUT BIAS CURRENT (nA)
VS = 5V
CHANGE IN OFFSET VOLTAGE (V)
70
Output Saturation Voltage vs Load Current (Output Low)
1000
SATURATION VOLTAGE (mV)
TA = 85C 100 TA = - 40C TA = 25C
SATURATION VOLTAGE (mV)
TA = 85C 100 TA = - 40C TA = 25C
10 0.001
0.01 0.1 1 LOAD CURRENT (mA)
10
1466L/67L G07
10 0.001
0.01 0.1 1 LOAD CURRENT (mA)
10
1466L/67L G08
OUTPUT VOLTAGE (1V/DIV)
Voltage Noise Spectrum
200 180 VOLTAGE NOISE (nV/Hz) 160 140 120 100 80 60 40 20 0 1 10 100 FREQUENCY (Hz) 1000
1466L/67L G10
VS = 5V, 0V CURRENT NOISE (pA/Hz)
VOLTAGE GAIN (dB)
VCM = 4V
VCM = 2.5V
6
UW
1466L/67L G04
Minimum Supply Voltage
200 50
Input Bias Current vs Common Mode Voltage
VS = 5V, 0V TA = - 40C TA = 85C
150
25
0
TA = 25C TA = 85C
50
- 25 TA = 25C - 50 -1
0
- 50
1
3 2 4 TOTAL SUPPLY VOLTAGE (V)
5
0
2 3 4 5 6 1 COMMON MODE VOLTAGE (V)
7
1466L/67L G05
1466L/67L G06
Output Saturation Voltage vs Load Current (Output High)
1000
0.1Hz to 10Hz Output Voltage Noise
VS = 2.5V VCM = 0V
TIME (1s/DIV)
1466L/67L G09
Current Noise Spectrum
2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 1 10 100 FREQUENCY (Hz) 1000
1466L/67L G11
Gain and Phase Shift vs Frequency
70 60 50 40 30 20 10 0 -10 - 20 - 30 1 10 100 FREQUENCY (kHz) GAIN PHASE VS = 2.5V 140 120 100 80 60 40 20 0 -20 - 40 - 60 1000
1466L/67L G12
VS = 5V, 0V
PHASE SHIFT (DEG)
VCM = 4V VCM = 2.5V
LT1466L/LT1467L TYPICAL PERFORMANCE CHARACTERISTICS
Gain Bandwidth and Phase Margin vs Supply Voltage
160 140 120 GBW 80
COMMON MODE REJECTION RATIO (dB)
70 60 50 40 30 20 10 0
90 80 70 60 50 40 30 20 10 0 1 10 100 FREQUENCY (kHz)
POWER SUPPLY REJECTION RATIO (dB)
FREQUENCY (kHz)
PHASE MARGIN
100 80 60 40 20 0 0 10 5 15 SUPPLY VOLTAGE (V) 20
1466L/67L G13
Closed-Loop Output Impedance vs Frequency
10000 VS = 2.5V TA = 25C
1000
CHANGE IN OFFSET VOLTAGE (V)
OUTPUT IMPEDANCE ()
100
AV = 10
OVERSHOOT (%)
10
AV = 1
1
0 10 100 1000 10000 FREQUENCY (Hz) 100000
1466L/67 G16
Voltage Gain, VS = 5V, 0V
- 40 CHANGE IN OFFSET VOLTAGE (V) CHANGE IN OFFSET VOLTAGE (V) -30 -20 -10 0 10 20 30 40 0 1 4 3 OUTPUT VOLTAGE (V) 2 5 6 RL = 10k RL = 2k VS = 5V, 0V TA = 25C 20 15 10 5 0 -5 -10 -15 - 20
OUTPUT SATURATION VOLTAGE (mV)
UW
1466L/67L G19
Common Mode Rejection Ratio vs Frequency
100 VS = 2.5V 80 70 60 50 40 30 20 10 0 1000
1466L/67L G14
Power Supply Rejection Ratio vs Frequency
VS = 2.5V
PHASE MARGIN (DEG)
POSITIVE SUPPLY
NEGATIVE SUPPLY
1
10 100 FREQUENCY (kHz)
1000
1466L/67L G15
Capacitive Load Handling
80 70 60 50 AV = 1 40 30 AV = 5 20 10 0 10 100 1000 10000 CAPACITIVE LOAD (pF) 100000 AV = 10 VS = 2.5V - 50 - 40 -30 -20 -10 0 10 20 30 40 50
Voltage Gain, VS = 5V
VS = 5V TA = 25C
RL = 10k RL = 2k
- 5 - 4 -3 -2 -1 0 1 2 3 OUTPUT VOLTAGE (V)
4
5
1466L/67L G17
1466L/67L G18
Input Offset Drift vs Time
100 90 80 70 60 50 40 30 20 10 0
Output Saturation Voltage vs Input Overdrive
VS = 2.5V NO LOAD
VS = 5V VS = 2.5V
OUTPUT HIGH, OUTPUT LOW
0
20 40 60 80 100 120 140 160 180 200 TIME AFTER POWER-UP (SEC)
1466L/67L G20
0
10 20 30 40 50 60 70 80 90 100 INPUT OVERDRIVE (mV)
1466L/67/ G21
7
LT1466L/LT1467L TYPICAL PERFORMANCE CHARACTERISTICS
Channel Separation vs Frequency
130 120
CHANNEL SEPARATION (dB)
VS = 15V
110 100 90 80 70 60 50 40 30 100 1k 10k FREQUENCY (Hz) 100k
1466L/67L G24
APPLICATIONS INFORMATION
Rail-to-Rail Operation The LT1466L/LT1467L differ from conventional op amps in the design of both the input and output stages. Figure 1 shows a simplified schematic. The input stage consists of two differential amplifiers, a PNP stage Q1-Q2 and an NPN stage Q3-Q4, that are active over different portions of the input common mode range. Each input stage is trimmed for offset voltage. A complementary output configuration (Q12-Q13) is employed to create an output stage with railto-rail swing. The devices are fabricated on Linear
V+ I1 Q12 C1 Q5 + IN - IN Q3 Q4 Q1 Q2 VBIAS V+ Q7 Q8 BUFFER AND OUTPUT BIAS Q9 C2 Q10 Q11 CC OUT V-
Q6 D1 V-
1466L/67L F01
Figure 1. Simplified Schematic
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UW
Small-Signal Response VS = 2.5V
Large-Signal Response VS = 5V
VS = 2.5V AV = 1
1466L/67L G22
VS = 5V AV = 1
1466L/67L G23
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Technology's proprietary complementary bipolar process, which ensures very similar DC and AC characteristics for the output devices Q12 and Q13. First, looking at the input stage, Q5 switches the current from current source I1 between the two input stages. When the input common mode voltage VCM is near the negative supply, Q5 is reverse biased, so the current from I1 becomes the tail current for the PNP differential pair Q1-Q2. At the other extreme, when VCM is near the positive supply, the PNPs Q1-Q2 are biased off. The current from
Q13
LT1466L/LT1467L
APPLICATIONS INFORMATION
I1 then flows through Q5 to the current mirror D3-Q6, furnishing the tail current for the NPN differential pair Q3-Q4. The switchover point between stages occurs when VCM is equal to the base voltage of Q5, which is biased approximately 1.3V below the positive supply. The collector currents of the two input pairs are combined in the second stage, consisting of Q7-Q11. Most of the voltage gain in the amplifier is contained in this stage. The output of the second stage is buffered and applied to the output devices Q12 and Q13. Capacitors C1 and C2 form local feedback loops around the output devices, lowering the output impedance at high frequencies. Capacitor CC sets the amplifier bandwidth. Input Offset Voltage Since the amplifier has two input stages, the input offset voltage changes depending upon which stage is active. When the amplifier switches between stages, the offset voltage may go up, down or remain flat. Both stages of the LT1466L/LT1467L are trimmed; one at the negative supply and the other at the positive supply. The resulting common mode rejection ratio of 83dB minimum is much better than typical rail-to-rail amplifiers. Overdrive Protection The LT1466L/LT1467L contain circuits that prevent the output from reversing polarity when the input voltage exceeds either supply. For these circuits to work properly, the input current should be limited to -10mA when the input is below the negative supply, and 0.5mA when the input is above the positive supply. If the amplifier is to be severely overdriven, an external resistor should be used to limit the current. Output The output voltage swing and current sinking capability of the LT1466L/LT1467L are affected by input overdrive as shown in the Typical Performance Characteristics. When monitoring voltages within 100mV of either rail, gain should be taken to keep the output from clipping.
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LT1466L/LT1467L
PACKAGE DESCRIPTION
0.300 - 0.325 (7.620 - 8.255)
0.009 - 0.015 (0.229 - 0.381)
(
+0.025 0.325 -0.015 8.255 +0.635 -0.381
)
*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS. MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.010 INCH (0.254mm)
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
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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
2
3
4 0.130 0.005 (3.302 0.127)
0.045 - 0.065 (1.143 - 1.651)
0.065 (1.651) TYP 0.005 (0.127) MIN 0.100 0.010 (2.540 0.254) 0.125 (3.175) MIN 0.018 0.003 (0.457 0.076) 0.015 (0.380) MIN
N8 0695
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
2
3
4
0.053 - 0.069 (1.346 - 1.752)
0.004 - 0.010 (0.101 - 0.254)
0.014 - 0.019 (0.355 - 0.483)
0.050 (1.270) TYP
SO8 0996
LT1466L/LT1467L
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
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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Dimensions in inches (millimeters) unless otherwise noted.
S Package 16-Lead Plastic Small Outline (Narrow 0.150)
(LTC DWG # 05-08-1610)
0.386 - 0.394* (9.804 - 10.008) 16 15 14 13 12 11 10 9
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
5
6
7
8
0.004 - 0.010 (0.101 - 0.254)
0.014 - 0.019 (0.355 - 0.483)
0.050 (1.270) TYP
S16 0695
11
LT1466L/LT1467L
TYPICAL APPLICATIONS N
4-Pole,1kHz, 3.3V Single Supply State Variable Filter Using the LT1467L
C1 10,000pF R1* 29.5k VIN 02 = C2 10,000pF 10,000pF A1 1/4 LT1467L R2* 8.6k R1 = R2 = 1 (R1)(C1)(R2)(C2) 1 0 Q(C1) Q 0(C2) 10,000pF A2 1/4 LT1467L
-
+
29.5k* 10k 3.3V 10k *1% RESISTORS
GAIN (dB)
RELATED PARTS
PART NUMBER LTC 1152 LT1366/LT1367 LT1498 /LT1499
(R)
DESCRIPTION Rail-to-Rail Input and Output, Zero-Drift Op Amp Dual/Quad Precision, Rail-to-Rail Input and Output Op Amps Dual/Quad, 10MHz Rail-to-Rail Input and Output Op Amps
12
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417 q (408) 432-1900 FAX: (408) 434-0507q TELEX: 499-3977 q www.linear-tech.com
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-
11.8k*
+
A3 1/4 LT1467L
-
21.5k*
+
11.8k* 1F
A4 1/4 LT1467L
-
VOUT
+
1466L/67L TA03
Frequency Response of 4th Order Butterworth Filter
0
GAIN
-20
- 40
- 60
- 80 100 1k FREQUENCY (Hz) 10k
1466L/67L TA04
COMMENTS High DC Accuracy, 10V VOS(MAX), 100nV/C Drift, 0.7MHz GBW, 0.5V/s Slew Rate, Maximum Supply Current 3mA 475V VOS(MAX), 400kHz GBW, 0.13V/s Slew Rate, Maximum Supply Current 520A per Op Amp High Speed, 5V/s Slew Rate, 475V VOS(MAX) from V + to V -, Max Supply Current 2.2mA per Op Amp
1466l7lf LT/TP 0697 5K * PRINTED IN USA
(c) LINEAR TECHNOLOGY CORPORATION 1997

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