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LT1007/LT1037 Noise, High Speed Precision Operational Amplifiers
DESCRIPTIO
Guaranteed 4.5nV/Hz 10Hz Noise Guaranteed 3.8nV/Hz 1kHz Noise 0.1Hz 10Hz Noise, 60nVP-P Typical Guaranteed Million Voltage Gain, Guaranteed Million Voltage Gain, Guaranteed 25µV Offset Voltage Guaranteed 0.6µV/°C Drift with Temperature Guaranteed 11V/µs Slew Rate (LT1037) Guaranteed 117dB CMRR
APPLICATIO
Noise Signal Processing Microvolt Accuracy Threshold Detection Strain Gauge Amplifiers Direct Coupled Audio Gain Stages Sine Wave Generators Tape Head Preamplifiers Microphone Preamplifiers
registered trademarks Linear Technology Corporation.
®1007/LT1037 series features lowest noise performance available date monolithic operational amplifiers: 2.5nV/Hz wideband noise (less than noise resistor), corner frequency 60nV peakto-peak 0.1Hz 10Hz noise. noise combined with outstanding precision speed specifications: 10µV offset voltage, 0.2µV/°C drift, 130dB common mode power supply rejection, 60MHz gain bandwidth product decompensated LT1037, which stable closed-loop gains greater. voltage gain LT1007/LT1037 extremely high million driving load million driving load ±10V. design, processing testing device, particular attention been paid optimization entire distribution several parameters. Consequently, specifications even lowest cost grades (the LT1007C LT1037C) have been spectacularly improved compared equivalent grades competing amplifiers. sine wave generator application shown below utilizes noise distortion characteristics LT1037.
TYPICAL APPLICATIO
Ultrapure 1kHz Sine Wave Generator
LT1037
OUTPUT 1591.5 ±0.1% 0.1µF ±0.1%
#327 LAMP
TOTAL HARMONIC DISTORTION 0.0025% NOISE 0.0001% AMPLITUDE OUTPUT FREQUENCY 1.000kHz VALUES GIVEN ±0.4%
1007/37 TA01
VOLTAGE NOISE (20nV/DIV)
0.1Hz 10Hz Noise
TIME (SEC)
1007/37 TA02
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LT1007/LT1037
ABSOLUTE MAXIMUM RATINGS
Supply Voltage ±22V Input Voltage Equal Supply Voltage Output Short-Circuit Duration Indefinite Differential Input Current (Note 25mA Storage Temperature Range 65°C 150°C
PACKAGE/ORDER INFORMATION
VIEW TRIM TRIM
TRIM
PACKAGE 8-LEAD PDIP TJMAX 100°C, 130°C/ (N8)
(CASE) PACKAGE 8-LEAD TO-5 METAL TJMAX 150°C, 150°C/ 45°C/
PACKAGE 8-LEAD PLASTIC TJMAX 150°C, 190°C/
ORDER PART NUMBER LT1007ACN8 LT1007CN8 LT1007IN8 LT1037ACN8 LT1037CN8 LT1037IN8
ORDER PART NUMBER
ORDER PART NUMBER LT1007CS8 LT1007IS8 LT1037CS8 LT1037IS8
PACKAGE LEAD CERDIP TJMAX 150°C, 100°C/ (J8)
PART MARKING LT1007ACH LT1007AMH LT1007CH LT1007MH LT1037ACH LT1037AMH LT1037CH LT1037MH 1007 1007I 1037 1037I
LT1007ACJ8 LT1007AMJ8 LT1007CJ8 LT1007MJ8
LT1037ACJ8 LT1037AMJ8 LT1037CJ8 LT1037MJ8
OBSOLETE PACKAGE
Consider Package Alternate Source
OBSOLETE PACKAGE
Consider Package Alternate Source
Consult Marketing parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS
SYMBOL Time PARAMETER Input Offset Voltage Long Term Input Offset Voltage Stability Input Offset Current Input Bias Current Input Noise Voltage Input Noise Voltage Density Input Noise Current Density CONDITIONS (Note (Notes
±15V, 25°C, unless otherwise noted.
LT1007AC/AM LT1037AC/AM 0.13 LT1007C/I/M LT1037C/I/M 0.06 0.13
0.1Hz 10Hz (Notes 10Hz (Notes 1000Hz (Note 10Hz (Notes 1000Hz (Notes
0.06
(Note
Lead Temperature (Soldering, sec.). 300°C Operating Temperature Range LT1007/LT1037AC, 70°C LT1007/LT1037I 40°C 85°C LT1007/LT1037AM, (OBSOLETE) 55°C 125°C
VIEW TRIM
TRIM
VIEW TRIM
UNITS µV/Mo µVP-P nV/Hz nV/Hz pA/Hz pA/Hz
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LT1007/LT1037
ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER Input Resistance, Common Mode Input Voltage Range CMRR PSRR AVOL Common Mode Rejection Ratio Power Supply Rejection Ratio Large-Signal Voltage Gain ±11V CONDITIONS
±15V, 25°C, unless otherwise noted.
LT1007AC/AM LT1037AC/AM ±11.0 ±13.0 ±11.0 ±12.5 20.0 16.0 12.0 ±13.8 ±12.5 ±11.0 ±12.5 ±10.5 LT1007C/I/M LT1037C/I/M ±12.5 20.0 16.0 12.0 ±13.5 ±12.5
UNITS V/µV V/µV V/µV V/µs V/µs
±18V ±12V ±10V 600, ±10V AVCL 100kHz (Note 10kHz (Note (AVCL
VOUT
Maximum Output Voltage Swing Slew Rate Gain Bandwidth Product Power Dissipation LT1007 LT1037 LT1007 LT1037 LT1007 LT1037
Open-Loop Output Resistance
denotes specifications which apply over temperature range 70°C, ±15V, unless otherwise noted.
LT1007AC LT1037AC
SYMBOL Temp CMRR PSRR AVOL VOUT
PARAMETER Input Offset Voltage Average Input Offset Drift Input Offset Current Input Bias Current Input Voltage Range Common Mode Rejection Ratio Power Supply Rejection Ratio Large-Signal Voltage Gain Maximum Output Voltage Swing Power Dissipation
CONDITIONS (Note (Note
LT1007C LT1037C ±10.5 ±12.0 ±11.8 18.0 14.0 ±13.6
UNITS µV/°C V/µV V/µV
±10.5 ±12.5 ±11.8 18.0 14.0 ±13.6
±10.5V ±4.5V ±18V ±10V ±10V
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LT1007/LT1037
ELECTRICAL CHARACTERISTICS
denotes specifications which apply over temperature range 40°C 85°C, ±15V, unless otherwise noted.
SYMBOL Temp CMRR PSRR AVOL VOUT PARAMETER Input Offset Voltage Average Input Offset Drift Input Offset Current Input Bias Current Input Voltage Range Common Mode Rejection Ratio Power Supply Rejection Ratio Large-Signal Voltage Gain Maximum Output Voltage Swing Power Dissipation ±10.5V ±4.5V ±18V ±10V ±10V CONDITIONS (Note (Note
LT1007I/LT1037I ±12.0 ±11.7 15.0 12.0 ±13.6
UNITS µV/°C V/µV V/µV
denotes specifications which apply over temperature range 55°C 125°C, ±15V, unless otherwise noted.
SYMBOL Temp CMRR PSRR AVOL VOUT PARAMETER Input Offset Voltage Average Input Offset Drift Input Offset Current Input Bias Current Input Voltage Range Common Mode Rejection Ratio Power Supply Rejection Ratio Large-Signal Voltage Gain Maximum Output Voltage Swing Power Dissipation ±10.3V ±4.5V ±18V ±10V ±10V CONDITIONS (Note (Note
LT1007AM/LT1037AM ±10.3 ±12.5 ±11.5 14.0 10.0 13.5
LT1007M/LT1037M ±10.3 ±12.0 ±11.5 14.0 10.0 ±13.5
UNITS µV/°C V/µV V/µV
MIL-STD components, please refer 883C data sheet test listing parameters. Note Absolute Maximum Ratings those values beyond which life device impaired. Note Input Offset Voltage measurements performed automatic test equipment approximately seconds after application power. grades guaranteed fully warmed Note Long Term Input Offset Voltage Stability refers average trend line Offset Voltage Time over extended periods after first days operation. Excluding initial hour operation, changes during first days typically 2.5µV. Refer typical performance curve. Note This parameter tested sample basis only.
Note 10Hz noise voltage density sample tested every lot. Devices 100% tested 10Hz available request. Note test circuit frequency response curve 0.1Hz 10Hz tester Applications Information section. Note test circuit current noise measurement Applications Information section. Note This parameter guaranteed design tested. Note inputs protected back-to-back diodes. Current limiting resistors used order achieve noise. differential input voltage exceeds ±0.7V, input current should limited 25mA. Note Average Input Offset Drift performance within specifications unnulled when nulled with having range 20k.
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LT1007/LT1037 TYPICAL PERFORMANCE CHARACTERISTICS
10Hz Voltage Noise Distribution
NUMBER UNITS VOLTAGE NOISE DENSITY (nV/Hz)
VOLTAGE NOISE DENSITY (nV/Hz)
±15V 25°C UNITS MEASURED FROM RUNS
0.01Hz Peak-to-Peak Noise
1000
SOURCE RESISTANCE
VOLTAGE NOISE DENSITY (nV/Hz)
TOTAL NOISE DENSITY (nV/Hz)
VOLTAGE NOISE (20nV/DIV)
TIME (SEC)
Current Noise Frequency
VOLTAGE NOISE DENSITY (nV/Hz)
NOISE DENSITY (pA/Hz)
MAXIMUM
VOLTAGE NOISE (µV)
CORNER 120Hz
TYPICAL
FREQUENCY (Hz)
1007/37
1007/37
Voltage Noise Frequency
±15V 25°C
0.02Hz 10Hz Noise. Gain 50,000 (Measured HP3582 Spectrum Analyzer)
MAXIMUM CORNER TYPICAL
FREQUENCY (Hz)
1000
1007/37
MARKER CORNER)
179µV/Hz 3.59 50,000
1007/37
Total Noise Source Resistance
Voltage Noise Temperature
±15V 10Hz 1kHz
±15V 25°C
1kHz 10Hz
RESISTOR NOISE ONLY SOURCE RESISTANCE
1007/37
1007/37
TEMPERATURE (°C)
1007/37
Wideband Voltage Noise (0.1Hz Frequency Indicated)
Voltage Noise Supply Voltage
25°C
10Hz 1kHz
0.01 BANDWIDTH (kHz)
1007/37
SUPPLY VOLTAGE (±V)
1007/37
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LT1007/LT1037
TYPICAL PERFORMANCE CHARACTERISTICS
Voltage Gain Frequency
OPEN-LOOP VOLTAGE GAIN (V/µV)
VOLTAGE GAIN (dB)
±15V 25°C
INPUT VOLTAGE (µV)
0.01 100k 100M FREQUENCY (Hz)
1007/37
LT1007
LT1037
Voltage Gain Load Resistance
OPEN-LOOP VOLTAGE GAIN (V/µV)
VOLTAGE GAIN (V/µV)
CHANGE OFFSET VOLTAGE (µV)
±15V 25°C
LOAD RESISTANCE
Long Term Stability Four Representative Units
OFFSET VOLTAGE CHANGE (µV)
SUPPLY CURRENT (mA)
OFFSET VOLTAGE (µV)
0.2µV/MONTH
0.2µV/MONTH TREND LINE TIME (MONTHS)
1007/37
1007/37
Voltage Gain Supply Voltage
25°C
Voltage Gain,
INPUT VOLTAGE (µV)
±15V 25°C
SUPPLY VOLTAGE (±V)
1007/37
OUTPUT VOLTAGE MEASURED TEKTRONIX LINEAR TESTER
1007/37
Voltage Gain Temperature
Warm-Up Drift
±15V 25°C
METAL PACKAGE DUAL-IN-LINE PACKAGE PLASTIC (N8) CERDIP (J8)
±15V VOUT ±10V VOUT 100°C TEMPERATURE (°C)
TIME AFTER POWER (MINUTES)
1007/37
1007/37
Offset Voltage Drift with Temperature Representative Units
±15V LT1007/LT1037 LT1007A/LT1037A
Supply Current Supply Voltage
125°C 25°C
-55°C
TEMPERATURE (°C)
SUPPLY VOLTAGE (±V)
1007/37
1007/37
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LT1007/LT1037
TYPICAL PERFORMANCE CHARACTERISTICS
Common Mode Rejection Frequency
±15V ±10V 25°C
COMMON MODE REJECTION RATIO (dB)
COMMON MODE LIMIT REFERRED POWER SUPPLY
INPUT BIAS CURRENT (nA)
LT1007 LT1037
FREQUENCY (Hz)
Input Bias Current Temperature
±15V
INPUT OFFSET CURRENT (nA)
INPUT BIAS CURRENT (nA)
LT1007AM LT1037AM TEMPERATURE (°C) LT1007M LT1037M
OUTPUT SWING
LT1007M LT1037M
LT1007AM LT1037AM TEMPERATURE (°C)
1007/37
PSRR Frequency
POWER SUPPLY REJECTION RATIO (dB)
FREQUENCY (Hz)
1195
SHORT-CIRCUIT CURRENT (mA) SINKING SOURCING
25°C
OUTPUT IMPEDANCE
NEGATIVE SUPPLY POSITIVE SUPPLY
1007/37
Common Mode Limit Temperature
TEMPERATURE (°C)
Input Bias Current Over Common Mode Range
DEVICE WITH POSITIVE INPUT CURRENT
±15V 25°C
-20V
DEVICE WITH NEGATIVE INPUT CURRENT
COMMON MODE INPUT VOLTAGE
1007/37
1007/37
Input Offset Current Temperature
±15V
Output Swing Load Resistance
POSITIVE SWING NEGATIVE SWING
±15V 25°C LOAD RESISTANCE
1007/37
1007/37
Closed-Loop Output Impedance
±15V 25°C IOUT 1000 1000
Output Short-Circuit Current Time
TIME FROM OUTPUT SHORT GROUND (MINUTES)
1007/37
55°C 25°C 125°C ±15V 125°C 25°C 55°C
0.01 LT1007 LT1037 0.001 FREQUENCY (Hz) 100k
1007/37
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LT1007/LT1037
TYPICAL PERFORMANCE CHARACTERISTICS
LT1037 Small-Signal Transient Response LT1037 Large-Signal Response
PHASE MARGIN (DEG)
±15V 100pF PHASE MARGIN
50mV 50mV
SLEW RATE (V/µs)
AVCL ±15V 15pF
LT1037 Gain, Phase Shift Frequency
±15V 25°C 100pF
SLEW RATE (V/µs) PHASE MARGIN (DEG)
VOLTAGE GAIN (dB)
VOLTAGE GAIN (dB)
PHASE
GAIN
FREQUENCY (MHz)
LT1007 Small-Signal Transient Response
PEAK-TO-PEAK OUTPUT VOLTAGE
50mV 50mV
AVCL ±15V 15pF
1007/37
1007/37
LT1037 Phase Margin, Gain Bandwidth Product, Slew Rate Temperature
GAIN BANDWIDTH PROCUCT, 10kHz (MHz)
SLEW
AVCL ±15V
1007/37
TEMPERATURE (°C)
1007/37
LT1007 Gain, Phase Shift Frequency
±15V 25°C 100pF
LT1007 Phase Margin, Gain Bandwidth Product, Slew Rate Temperature
±15V 100pF PHASE MARGIN SLEW
GAIN BANDWIDTH PROCUCT, 100kHz (MHz)
PHASE SHIFT (DEG)
PHASE SHIFT (DEG)
PHASE GAIN
FREQUENCY (MHz)
1007/37
TEMPERATURE (°C)
1007/37
LT1007 Large-Signal Response
Maximum Undistorted Output Frequency
±15V 25°C
LT1007
LT1037
AVCL ±15V
1007/37
1007/37
100k FREQUENCY (Hz)
1007/37
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LT1007/LT1037
APPLICATIONS INFORMATION
General LT1007/LT1037 series devices inserted directly into OP-07, OP-27, OP-37 5534 sockets with without removal external compensation nulling components. addition, LT1007/LT1037 fitted sockets with removal modification external nulling components. Offset Voltage Adjustment input offset voltage LT1007/LT1037 drift with temperature, permanently trimmed wafer testing level. However, further adjustment necessary, nulling potentiometer will degrade drift with temperature. Trimming value other than zero creates drift (VOS 300)µV/°C, e.g., adjusted 300µV, change drift will 1µV/°C (Figure adjustment range with approximately ±2.5mV. less adjustment range needed, sensitivity resolution nulling improved using smaller conjunction with fixed resistors. example approximate null range ±200µV (Figure
50k* -15V
Figure Test Circuit Offset Voltage Offset Voltage Drift with Temperature
Unity-Gain Buffer Application (LT1007 Only) When input driven with fast, largesignal pulse (>1V), output waveform will look shown pulsed operation diagram (Figure During fast feedthrough-like portion output, input protection diodes effectively short output input current, limited only output short-circuit protection, will drawn signal generator. With 500, output capable handling current requirements 20mA 10V) amplifier stays active mode smooth transition will occur.
INPUT
Figure Standard Adjustment
4.7k 4.7k
OUTPUT
-15V
1007/37
Figure Improved Sensitivity Adjustment
LT1007
OUTPUT
LT1007 LT1037
-15V
1007/37
LT1007 LT1037
Figure Pulsed Operation
sn100737 100737fbs
100*
Offset Voltage Drift Thermocouple effects, caused temperature gradients across dissimilar metals contacts input terminals, exceed inherent drift amplifier unless proper care exercised. currents should minimized, package leads should short, input leads should close together maintained same temperature. circuit shown measure offset voltage also used burn-in configuration LT1007/LT1037, with supply voltages increased ±20V (Figure
50k* VOUT
LT1007 LT1037
VOUT 1000VOS *RESISTORS MUST HAVE THERMOELECTRIC POTENTIAL
1007/37
2.8V/µs OUTPUT
1007/37
LT1007/LT1037
APPLICATIONS INFORMATION
with operational amplifiers when pole will created with amplifier's input capacitance, creating additional phase shift reducing phase margin. small capacitor (20pF 50pF) parallel with will eliminate this problem. Noise Testing 0.1Hz 10Hz peak-to-peak noise LT1007/ LT1037 measured test circuit shown (Figure 5a). frequency response this noise tester (Figure indicates that 0.1Hz corner defined only zero. test time measure 0.1Hz 10Hz noise should exceed seconds, this time limit acts additional zero eliminate noise contributions from frequency band below 0.1Hz. Measuring typical 60nV peak-to-peak noise performance LT1007/LT1037 requires special test precautions: device should warmed least five minutes. warms offset voltage changes typically chip temperature increasing 10°C 20°C from moment power supplies turned ten-second measurement interval these temperature-induced effects easily exceed tens nanovolts. similar reasons, device must well shielded from currents eliminate possibility thermo0.1µF
Figure
100k
LT1007 LT1037
GAIN (dB)
4.7µF LT1001
4.3k
22µF
VOLTAGE GAIN 50,000 *DEVICE UNDER TEST NOTE: CAPACITOR VALUES NONPOLARIZED CAPACITORS ONLY 24.3k 100k 0.1µF
SCOPE 110k
2.2µF
1007/37 F05a
0.01
Figure 0.1Hz 10Hz Noise Test Circuit
Figure 0.1Hz 10Hz Peak-toPeak Noise Tester Frequency Response
sn100737 100737fbs
500k
electric effects excess nanovolts, which would invalidate measurements. Sudden motion vicinity device also "feedthrough" increase observed noise. noise voltage density test recommended when measuring noise large number units. 10Hz noise voltage density measurement will correlate well with 0.1Hz 10Hz peak-to-peak noise reading since both results determined white noise location corner frequency. Current noise measured circuit shown Figure calculated following formula:
130nV
100k 500k
LT1007 LT1037
1007/37
FREQUENCY (Hz)
1007/37F05b
LT1007/LT1037
APPLICATIONS INFORMATION
LT1007/LT1037 achieve their noise, part, operating input stage 120µA versus typical 10µA most other amps. Voltage noise inversely proportional while current noise directly proportional square root input stage current. Therefore, LT1007/LT1037's current noise will relatively high. frequencies, current noise corner frequency (120Hz) minimizes current noise some extent. most practical applications, however, current noise will limit system performance. This illustrated Total Noise Source Resistance plot Typical Performance Characteristics section, where: Total Noise [(voltage noise)2 (current noise RS)2 (resistor noise)2]1/2 Three regions identified function source resistance: 400. Voltage noise dominates (ii) 1kHz 10Hz (iii) 1kHz 10Hz
TYPICAL APPLICATIONS
Gain 1000 Amplifier with 0.01% Accuracy,
340k TRIM TYPICAL PRECISION
GAIN ERROR
INPUT
HIGH GAIN WIDE BANDWIDTH LT1037 (AND LT1007) USEFUL FREQUENCY, HIGH CLOSED-LOOP GAIN AMPLIFIER APPLICATIONS. TYPICAL PRECISION HAVE OPEN-LOOP GAIN MILLION WITH 500kHz BANDWIDTH. GAIN ERROR PLOT SHOWS, THIS DEVICE CAPABLE 0.1% AMPLIFYING ACCURACY 0.3Hz ONLY. EVEN INSTRUMENTATION RANGE SIGNALS VARY FASTER RATE. LT1037'S "GAIN PRECISION-BANDWIDTH PRODUCT" TIMES HIGHER SHOWN.
LT1037 -15V LT1007 OUTPUT
RN60C FILM RESISTORS
Resistor noise dominates
Current noise dominates
Clearly LT1007/LT1037 should used region (iii), where total system noise least times higher than voltage noise amp, i.e., voltage noise specification completely wasted.
Gain Error Frequency Closed-Loop Gain 1000
LT1037 0.01
GAIN ERROR 0.001
CLOSED-LOOP GAIN OPEN-LOOP GAIN
1007/37 TA03
FREQUENCY (Hz)
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LT1007/LT1037
TYPICAL APPLICATIONS
Microvolt Comparator with Hysteresis
100M LT1007 INPUT OUTPUT
Precision Amplifier Drives Load ±10V
340k TRIM
-15V
LT1037
INPUT OFFSET VOLTAGE TYPICALLY CHANGED LESS THAN FEEDBACK.
1007/37 TA04
INPUT ADDITION LT1007 DOUBLES AMPLIFIER'S OUTPUT DRIVE ±33mA. GAIN ACCURACY 0.02%, SLIGHTLY DEGRADED COMPARED ABOVE BECAUSE SELF-HEATING LT1037 UNDER LOAD.
Infrared Detector Preamplifier
10µF 2N2219A 100µF
100µF 50mA 267* 100µF CHOPPED DETECTOR OUTPUT
RADIATION OPTICAL CHOPPER PHOTOCONDUCTIVE INFRARED DETECTOR HgCdTe type INFRA-RED ASSOCIATES, INC. 77°K 392*
METAL FILM
1007/37 TA08
POSITIVE FEEDBACK NULLING TERMINALS CREATES APPROXIMATELY HYSTERESIS. OUTPUT SINK 16mA.
LT1007 -15V OUTPUT DEMODULATOR 392k* SYNCHRONOUS
392*
LT1007 OUTPUT ±10V
1007/37 TA05
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LT1007/LT1037
TYPICAL APPLICATIONS
Phono Preamplifier Tape Head Amplifier
0.01µF
7.87k
100pF
LT1037
OUTPUT
RESISTORS METAL FILM
-15V
PHONO INPUT
1007/37 TA06
PLIFIED SCHE ATIC
NONINVERTING INPUT INVERTING INPUT 500µA 110pF LT1007 12pF LT1037 240µA 120µA
1007/37
3.4k
3.4k
450µA
750µA
130pF
1.2k
1.2k
80pF 20pF
TAPE HEAD INPUT
4.99k
0.01µF 100k 0.033µF
316k
LT1037
OUTPUT
RESISTORS METAL FILM
1007/37 TA07
240µA
OUTPUT
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LT1007/LT1037
PACKAGE DESCRIPTION
Package 8-Lead TO-5 Metal (.200 Inch PCD)
(Reference 05-08-1320)
0.335 0.370 (8.509 9.398) 0.305 0.335 (7.747 8.509) 0.040 (1.016) 0.050 (1.270) GAUGE PLANE 0.010 0.045* (0.254 1.143) 0.016 0.021** (0.406 0.533) 0.165 0.185 (4.191 4.699) REFERENCE PLANE 0.500 0.750 (12.700 19.050)
SEATING PLANE
45°TYP 0.027 0.034 (0.686 0.864)
0.110 0.160 (2.794 4.064) INSULATING STANDOFF
CORNER LEADS OPTION PLCS)
0.045 0.068 (1.143 1.727) FULL LEAD OPTION 0.300 (0.762 BSC)
0.008 0.018 (0.203 0.457)
NOTE: LEAD DIMENSIONS APPLY SOLDER DIP/PLATE PLATE LEADS
0.027 0.045 (0.686 1.143)
0.200 (5.080)
*LEAD DIAMETER UNCONTROLLED BETWEEN REFERENCE PLANE 0.045" BELOW REFERENCE PLANE 0.016 0.024 **FOR SOLDER LEAD FINISH, LEAD DIAMETER (0.406 0.610)
H8(TO-5) 0.200 0595
Package 8-Lead CERDIP (Narrow .300 Inch, Hermetic)
(Reference 05-08-1110)
0.005 (0.127) 0.405 (10.287)
0.023 0.045 (0.584 1.143) HALF LEAD OPTION
0.025 (0.635)
0.220 0.310 (5.588 7.874)
0.200 (5.080) 0.015 0.060 (0.381 1.524)
0.045 0.065 (1.143 1.651) 0.014 0.026 (0.360 0.660) 0.100 (2.54)
0.125 3.175
1298
OBSOLETE PACKAGES
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LT1007/LT1037
PACKAGE DESCRIPTION
Package 8-Lead PDIP (Narrow .300 Inch)
(Reference 05-08-1510)
0.400* (10.160)
0.300 0.325 (7.620 8.255)
0.009 0.015 (0.229 0.381)
+0.035 0.325 -0.015 8.255 +0.889 -0.381
*THESE DIMENSIONS INCLUDE MOLD FLASH PROTRUSIONS. MOLD FLASH PROTRUSIONS SHALL EXCEED 0.010 INCH (0.254mm)
0.010 0.020 (0.254 0.508) 0.008 0.010 (0.203 0.254)
0.014 0.019 (0.355 0.483) *DIMENSION DOES INCLUDE MOLD FLASH. MOLD FLASH SHALL EXCEED 0.006" (0.152mm) SIDE **DIMENSION DOES INCLUDE INTERLEAD FLASH. INTERLEAD FLASH SHALL EXCEED 0.010" (0.254mm) SIDE
0.016 0.050 (0.406 1.270)
Information furnished Linear Technology Corporation believed accurate reliable. However, responsibility assumed use. Linear Technology Corporation makes representation that interconnection circuits described herein will infringe existing patent rights.
0.255 0.015* (6.477 0.381)
0.045 0.065 (1.143 1.651)
0.130 0.005 (3.302 0.127)
0.065 (1.651) 0.125 (3.175) 0.020 (0.508) 0.018 0.003 (0.457 0.076)
1098
0.100 (2.54)
Package 8-Lead Plastic Small Outline (Narrow .150 Inch)
(Reference 05-08-1610)
0.189 0.197* (4.801 5.004)
0.228 0.244 (5.791 6.197)
0.150 0.157** (3.810 3.988)
1298
0.053 0.069 (1.346 1.752)
0.004 0.010 (0.101 0.254)
0.050 (1.270)
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LT1007/LT1037
TYPICAL APPLICATIO
2.5V
LT1009
LT1007 -7.5V REFERENCE
BRIDGE 301k*
7.5V
RELATED PARTS
PART NUMBER LT1028 LT1115 LT1124/LT1125 LT1126/LT1127 LT1498/LT1499 DESCRIPTION Ultralow Noise Precision Ultralow Noise, distortion Audio Dual/Quad Noise, High Speed Precision Amps Dual/Quad Decompensated Noise, High Speed Precision Amps 10MHz, 5V/µs, Dual/Quad Rail-to-Rail Input Output Precision C-LoadOp Amps COMMENTS Lowest Noise 0.85nV/Hz 0.002% THD, Noise 1.2mV/Hz Similar LT1007 Similar LT1037
C-Load trademark Linear Technology Corporation.
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, 95035-7417
(408) 432-1900 FAX: (408) 434-0507
LT1007 -7.5V
Strain Gauge Signal Conditioner with Bridge Excitation
7.5V
LT1007 OUTPUT 301k*
ZERO TRIM
-15V
*RN60C FILM RESISTOR
GAIN TRIM
499*
LT1007 CAPABLE PROVIDING EXCITATION CURRENT DIRECTLY BIAS BRIDGE WITH ONLY ACROSS BRIDGE OPPOSED USUAL 10V) TOTAL POWER DISSIPATION BRIDGE WARM-UP DRIFT REDUCED. BRIDGE OUTPUT SIGNAL HALVED, LT1007 AMPLIFY REDUCED SIGNAL ACCURATELY.
1007/37 TA09
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www.linear.com
LINEAR TECHNOLOGY CORPORATION 1985

DESCRIPTIO Guaranteed 4.5nV/Hz 10Hz Noise Guaranteed 3.8nV/Hz 1kH

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