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Maximum Equivalent Input Noise Voltage: nV/Hz nV/Hz Peak-to-Peak Equiv


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LT1007, LT1007A, LT1037, LT1037A LOW-NOISE, HIGH-SPEED, PRECISION OPERATIONAL AMPLIFIERS
Maximum Equivalent Input Noise Voltage: nV/Hz nV/Hz Peak-to-Peak Equivalent Input Noise Voltage: From Slew Rate (LT1037 LT1037A): V/µs High Voltage Amplification: V/µV Min, Min, Input Offset Voltage: Input Offset Voltage Temperature Coefficient: µV/°C Common-Mode Rejection Ratio:
PACKAGE (TOP VIEW)
LT1007A LT1037A Specifications:
TRIM
TRIM VCC+
PACKAGE (TOP VIEW)
description
TRIM
TRIM
These monolithic operational amplifiers feature extremely low-noise performance standing precision speed specifications.The typical differential voltage amplification 25°C) these devices extremely high V/µV driving load 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 greatly improved compared equivalent grades competing amplifiers.
AVAILABLE OPTIONS 25°C 70°C 55°C 125°C PACKAGE SMALL-OUTLINE (DW) LT1007CDW LT1037CDW CERAMIC (JG) LT1007MJG LT1007AMJG LT1037MJG PLASTIC LT1007CP LT1007ACP LT1037CP LT1037ACP LT1007MP LT1007AMP LT1037MP
internal connection
LT1037AMJG LT1037AMP packages available taped reeled. suffix device type, (e.g.,LT1007CDWR).
PRODUCTION DATA information current publication date. Products conform specifications terms Texas Instruments standard warranty. Production processing does necessarily include testing parameters.
Copyright 1993, Texas Instruments Incorporated
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LT1007, LT1007A, LT1037, LT1037A LOW-NOISE, HIGH-SPEED, PRECISION OPERATIONAL AMPLIFIERS
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schematic
TRIM TRIM LT1007 LT1037 component values shown nominal.
LT1007, LT1007A, LT1037, LT1037A LOW-NOISE, HIGH-SPEED, PRECISION OPERATIONAL AMPLIFIERS
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, (see Note Supply voltage, Input voltage Duration output short circuit Unlimited Differential input current (see Note Power dissipation Dissipation Rating Table Operating free-air temperature range: LT1007C, LT1007AC, LT1037C, LT1037AC 70°C LT1007M, LT1007AM, LT1037M, LT1037AM 55°C 125°C Storage temperature range 65°C 150°C Lead temperature (1/16 inch) from case seconds: packages 260°C Lead temperature (1/16 inch) from case seconds: package 300°C
NOTES: voltage values, unless otherwise noted, with respect midpoint between inputs protected back-to-back diodes. Current limiting resistors used order achieve noise. Excessive input current will flow differential input voltage excess approximately applied between inputs, unless some limiting resistance used. DISSIPATION RATING TABLE PACKAGE POWER RATING 1025 1050 1000 DERATING FACTOR ABOVE POWER RATING 125° POWER RATING
recommended operating conditions
C-SUFFIX Supply voltage, Supply voltage, Input voltage voltage, Operating free-air temperature, full range 10.5 M-SUFFIX 10.3 UNIT
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LT1007, LT1007A, LT1037, LT1037A LOW-NOISE, HIGH-SPEED, PRECISION OPERATIONAL AMPLIFIERS
electrical characteristics, VCC±
PARAMETER Input offset voltage Average temperature coefficient input offset voltage Input offset current Input bias current Peak output voltage swing Large signal Large-signal differential voltage lifi amplification ri(CM) CMRR Common-mode input resistance Open-loop output resistance Common-mode rejection ratio Supply voltage rejection ratio Power dissipation 10.5 LT1007C, LT1007AC LT1037C, LT1037AC TEST CONDITIONS Note 70°C 70°C 70°C 70°C 70°C 70°C 70°C 70°C 25°C 25°C 70°C 12.5 10.5 13.5 12.5 LT1007C, LT1037C 12.5 13.8 12.5 LT1007AC, LT1037AC UNIT
kSVR
NOTE measurements performed automatic test equipment approximately seconds after application power.
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LT1007, LT1007A, LT1037, LT1037A LOW-NOISE, HIGH-SPEED, PRECISION OPERATIONAL AMPLIFIERS
electrical characteristics, VCC±
PARAMETER TEST CONDITIONS Large signal Large-signal differential voltage amplification lifi ri(CM) CMRR Common-mode input resistance Open-loop output resistance Common-mode rejection ratio Supply voltage rejection ratio 10.3 LT1007M, LT1007AM LT1037M, LT1037AM 12.5 10.5 13.5 12.5 LT1007M, LT1037M Input offset voltage Average temperature coefficient input offset voltage Input offset current Input bias current Peak output voltage swing Note 12.5 13.8 12.5 LT1007AM, LT1037AM UNIT
kSVR
Power dissipation
NOTE measurements performed automatic test equipment approximately seconds after application power.
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LT1007, LT1007A, LT1037, LT1037A LOW-NOISE, HIGH-SPEED, PRECISION OPERATIONAL AMPLIFIERS
operating characteristics,
PARAMETER VN(PP) Slew rate Peak-to-peak equivalent input noise voltage Equivalent input noise voltage Equivalent input noise current Gain bandwidth product roduct TEST CONDITIONS (LT1007, LT1007A) (LT1037, LT1037A) Note kHz, Note kHz, Note kHz, LT1007, LT1007A 0.06 0.13 LT1007, LT1007A 0.06 0.13 UNIT V/µs nV/Hz pA/Hz
NOTES: test circuit frequency response curve 0.1-Hz 10-Hz noise (Figure Applications Information section. test circuit current noise measurement (Figure Applications Information section.
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LT1007, LT1007A, LT1037, LT1037A LOW-NOISE, HIGH-SPEED, PRECISION OPERATIONAL AMPLIFIERS
TYPICAL CHARACTERISTICS table graphs
FIGURE Input offset voltage Change input offset voltage Input offset current Input bias current Common-mode limit voltage Maximum peak output voltage swing Temperature Time after power Time (long-term stability) Temperature Temperature over common-mode range Free-air temperature Load resistance Frequency Frequency Frequency (LT1007) Frequency (LT1037) Temperature Load resistance Supply voltage
Differential voltage amplification
CMRR kSVR
Differential input voltage Common-mode rejection ratio Supply voltage rejection ratio Slew rate Phase shift Phase margin
Output voltage Frequency Frequency Free-air temperature (LT1007) Free-air temperature (LT1037) Frequency (LT1007) Frequency (LT1037) Free-air temperature (LT1007) Free-air temperature (LT1037) Free-air temperature Time (0.01-Hz 1-Hz noise) Frequency Bandwidth Supply voltage
Equivalent input noise voltage
Equivalent input noise current Total noise Gain bandwidth product Short-circuit output current Supply current Closed-loop output impedance Pulse response (LT1037) Pulse response (LT1007)
Frequency Source resistance Free-air Temperature (LT1007) Free-air Temperature (LT1037) Time (from short GND) Supply voltage Frequency Small-signal Large-signal Small-signal Large-signal
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LT1007, LT1007A, LT1037, LT1037A LOW-NOISE, HIGH-SPEED, PRECISION OPERATIONAL AMPLIFIERS
TYPICAL CHARACTERISTICS
INPUT OFFSET VOLTAGE REPRESENTATIVE UNITS FREE-AIR TEMPERATURE
Input Offset Voltage LT1007, LT1037 LT1007A, LT1037A LT1007, LT1037 Change Input Offset Voltage 25°C
INPUT OFFSET VOLTAGE TIME AFTER POWER
Package
Free-Air Temperature
Figure
LONG TERM STABILITY INPUT OFFSET VOLTAGE FOUR REPRESENTATIVE UNITS
Change Input Offset Voltage
Input Offset Current
µV/Month Trend Line
µV/Month Trend Line
Time months
Figure
Data high temperatures applicable within rated operating free-air temperature ranges various devices.
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Time After Power minutes
Figure
INPUT OFFSET CURRENT TEMPERATURE
LT1007, LT1037 LT1007A, LT1037A
Free-Air Temperature
Figure
LT1007, LT1007A, LT1037, LT1037A LOW-NOISE, HIGH-SPEED, PRECISION OPERATIONAL AMPLIFIERS
TYPICAL CHARACTERISTICS
INPUT BIAS CURRENT FREE-AIR TEMPERATURE
IIIB Input Bias Current IIIB Input Bias Current ri(CM) Device With Positive Input Current
INPUT BIAS CURRENT COMMON-MODE INPUT VOLTAGE
LT1007M, LT1037M LT1007AM, LT1037AM
Device With Negative Input Current 25°C Common-Mode Input Voltage
Free-Air Temperature
Figure
COMMON-MODE INPUT VOLTAGE RANGE LIMITS FREE-AIR TEMPERATURE
VCC+ Common-Mode Voltage (Referred Power Supply Voltages) Output Voltage Swing Positive Limit 13.5 10.5
Figure
PEAK OUTPUT VOLTAGE SWING LOAD RESISTANCE
Negative Limit
VCC-
Free-Air Temperature
Figure
Data high temperatures applicable within rated operating free-air temperature ranges various devices.
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Positive Swing Negative Swing Load Resistance
25°C
Figure
LT1007, LT1007A, LT1037, LT1037A LOW-NOISE, HIGH-SPEED, PRECISION OPERATIONAL AMPLIFIERS
TYPICAL CHARACTERISTICS
PEAK-TO-PEAK OUTPUT VOLTAGE SWING FREQUENCY
VO(pp) VO(PP) Peak-to-Peak Output Voltage Swing Differential Voltage Amplification Frequency LT1007 LT1037
DIFFERENTIAL VOLTAGE AMPLIFICATION FREQUENCY
LT1037 LT1007 25°C 25°C Frequency
Figure
LT1007
DIFFERENTIAL VOLTAGE AMPLIFICATION PHASE SHIFT FREQUENCY
Differential Voltage Amplification 170° 25°C Frequency 180° 190° 100° 110° 120° Phase Shift 130° 140° 150° 160° Differential Voltage Amplification
130° 140° 150° 160° 170° 180° 190° Frequency
Figure
Figure
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Phase Shift
0.01
Figure
LT1037
DIFFERENTIAL VOLTAGE AMPLIFICATION PHASE SHIFT FREQUENCY
100° 25°C 110° 120°
LT1007, LT1007A, LT1037, LT1037A LOW-NOISE, HIGH-SPEED, PRECISION OPERATIONAL AMPLIFIERS
TYPICAL CHARACTERISTICS
DIFFERNTIAL VOLTAGE AMPLIFICATION FREE-AIR TEMPERATURE
AAVD Differential Voltage Amplification Differential Voltage Amplification 25°C
DIFFERNTIAL VOLTAGE AMPLIFICATION LOAD RESISTANCE
Free-Air Temperature
Figure
DIFFERNTIAL VOLTAGE AMPLIFICATION SUPPLY VOLTAGE
25°C
Differential Amplification
Differential Input Voltage
Supply Voltage
Figure
Data high temperatures applicable within rated operating free-air temperature ranges various devices.
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Load Resistance
Figure
DIFFERNTIAL INPUT VOLTAGE OUTPUT VOLTAGE
25°C
Output Voltage
Figure
LT1007, LT1007A, LT1037, LT1037A LOW-NOISE, HIGH-SPEED, PRECISION OPERATIONAL AMPLIFIERS
TYPICAL CHARACTERISTICS
COMMON-MODE REJECTION RATIO FREQUENCY
CMRR Common-Mode Rejection Ratio Supply Voltage Rejection Ratio 25°C 25°C Positive Supply
SUPPLY VOLTAGE REJECTION RATIO FREQUENCY
LT1037
Negative Supply
LT1007
Frequency
Figure
LT1007
SLEW RATE, PHASE MARGIN GAIN BANDWIDTH PRODUCT FREE-AIR TEMPERATURE
Phase Margin Gain Bandwidth Product Phase Margin
kHz)
Slew Rate
Slew Rate
kHz)
Free-Air Temperature
Free-Air Temperature
Figure
Figure
Data high temperatures applicable within rated operating free-air temperature ranges various devices.
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Gain Bandwidth Product
Frequency
Figure
LT1037
SLEW RATE, PHASE MARGIN GAIN BANDWIDTH PRODUCT FREE-AIR TEMPERATURE
LT1007, LT1007A, LT1037, LT1037A LOW-NOISE, HIGH-SPEED, PRECISION OPERATIONAL AMPLIFIERS
TYPICAL CHARACTERISTICS
EQUIVALENT INPUT NOISE VOLTAGE FREE-AIR TEMPERATURE
Equivalent Input Noise Voltage nV/Hz
EQUIVALENT INPUT NOISE VOLTAGE OVER 100-SECOND TIME PERIOD
0.01
1kHz
Free-Air Temperature
Noise Voltage nV/HzHz
Figure
EQUIVALENT INPUT NOISE VOLTAGE FREQUENCY
25°C
Equivalent Input Noise Voltage nV/HzHz
Noise Voltage
Maximum Corner Typical
Frequency
1000
Figure
Data high temperatures applicable within rated operating free-air temperature ranges various devices.
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Time
Figure
BROADBAND NOISE VOLTAGE INDICATED FREQUENCY
25°C
0.01
Bandwidth
Figure
LT1007, LT1007A, LT1037, LT1037A LOW-NOISE, HIGH-SPEED, PRECISION OPERATIONAL AMPLIFIERS
TYPICAL CHARACTERISTICS
EQUIVALENT INPUT NOISE VOLTAGE SUPPLY VOLTAGE
Voltage Noise Density nV/HzHz Noise Current Density pA/Hz 25°C
EQUIVALENT INPUT NOISE CURRENT FREQUENCY
Supply Voltage
Figure
TOTAL NOISE VOLTAGE SOURCE RESISTANCE
1000 Total Noise Voltage nV/HzHz 25°C IIOS Short Circuit Current
Resistor Noise Only Source Resistance
Figure
Data high temperatures applicable within rated operating free-air temperature ranges various devices.
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Maximum
Corner
Typical
Frequency
Figure
SHORT-CIRCUIT OUTPUT CURRENT ELAPSED TIME
55°C 125°C 25°C 55°C 25°C 125°C
Time From Output Short Ground minutes
Figure
LT1007, LT1007A, LT1037, LT1037A LOW-NOISE, HIGH-SPEED, PRECISION OPERATIONAL AMPLIFIERS
TYPICAL CHARACTERISTICS
SUPPLY CURRENT SUPPLY VOLTAGE
CLOSED-LOOP OUTPUT IMPEDANCE FREQUENCY
Output Impedance
LT1007 1000 LT1037 1000
Supply Current
125°C 25°C 55°C
LT1007 0.01
LT1037 25°C
Output Voltage
25°C 1000 1200 1400 1600 Time
Output Voltage
Figure
Data high temperatures applicable within rated operating free-air temperature ranges various devices.
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Supply Voltage
0.001
Frequency
Figure
LT1037
Figure
LT1037
VOLTAGE-FOLLOWER SMALL-SIGNAL PULSE RESPONSE
VOLTAGE-FOLLOWER LARGE-SIGNAL PULSE RESPONSE
25°C
Time
Figure
LT1007, LT1007A, LT1037, LT1037A LOW-NOISE, HIGH-SPEED, PRECISION OPERATIONAL AMPLIFIERS
TYPICAL CHARACTERISTICS
LT1007 LT1007
VOLTAGE-FOLLOWER SMALL-SIGNAL PULSE RESPONSE
Output Voltage 25°C Output Voltage
VOLTAGE-FOLLOWER LARGE-SIGNAL PULSE RESPONSE
25°C
Time
Figure
APPLICATION 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 µA741 sockets removing modifying external nulling components.
offset voltage adjustment
input offset voltage change with temperature LT1007 LT1037 permanently trimmed level wafer testing However, further adjustment necessary, 10-k nulling potentiometer, shown Figure will degrade drift with temperature. Trimming value other than zero creates drift VIO/300 µV/°C (e.g., adjusted change temperature coefficient will µV/°C). adjustment range with 10-k potentiometer approximately smaller adjustment range needed, sensitivity resolution nulling improved using smaller potentiometer conjunction with fixed resistors. example Figure approximate null range
offset voltage drift
Unless proper care exercised, thermocouple effects contacts input terminals, caused temperature gradients across dissimilar metals, exceed inherent temperature coefficient amplifier. currents should minimized, package leads should short, input leads should close together, input leads should same temperature.
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Time
Figure
LT1007, LT1007A, LT1037, LT1037A LOW-NOISE, HIGH-SPEED, PRECISION OPERATIONAL AMPLIFIERS
APPLICATION INFORMATION
Figure Standard Adjustment
Figure Improved Sensitivity Adjustment
circuit shown Figure used measure offset voltage. addition, with supply voltages increased used burn-in configuration LT1007 LT1037. When input driven with fast large-signal pulse output waveform will shown Figure During fast-feedthrough-like portion output, input protection diodes effectively short output input current, limited only output short-circuit protection, drawn signal generator. When output capable handling current requirements amplifier stays active mode, smooth transition occurs. When pole will created with amplifier's input capacitance, creating additional phase shift reducing phase margin. small capacitor parallel with will eliminate this problem.
1000
Resistors must have thermoelectric potential
Figure Test Circuit Offset Voltage Offset Voltage Drift With Temperature
Figure Pulse Operation
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Output
LT1007, LT1007A, LT1037, LT1037A LOW-NOISE, HIGH-SPEED, PRECISION OPERATIONAL AMPLIFIERS
APPLICATION INFORMATION noise testing
Figure shows test circuit 0.1-Hz 10-Hz peak-to-peak noise measurement LT1007 LT1037. frequency response this noise tester indicates that eeethe corner defined only zero. Because time limit acts additional zero eliminate noise contributions from frequency band below test time measure 0.1-Hz 10-Hz noise should exceed seconds.
NOISE TESTER FREQUENCY RESPONSE
Gain
0.01
Frequency
Device under test NOTE: capacitor values non-polarized capacitors only.
LT1001 Scope Voltage Gain 50,000 24.3
Figure 0.1-Hz 10-Hz Noise Test Circuit
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APPLICATION INFORMATION
Special test precautions required measure typical 60-nV peak-to-peak noise performance LT1007 LT1037: device should warmed least five minutes. operational amplifier warms offset voltage typically changes chip temperature increasing 10°C 20°C from moment power supplies turned 10-second measurement interval, these temperature-induced effects easily exceed tens nanovolts. device must well shielded from currents eliminate thermoelectric effects. excess nanovolts, thermoelectric effects would invalidate measurements. Sudden motion vicinity device produce feedthrough effect that increases observed noise. When measuring noise large number units, noise-voltage density test recommended. 10-Hz noise-voltage density measurement will correlate well with 0.1-Hz 10-Hz peak-to-peak noise reading since both results determined white noise location corner frequency. Figure shows circuit that measures noise current presents formula calculating noise current.
1*M(130
Figure Noise Test Circuit LT1007 LT1037 achieve noise, part, operating input stage versus typical most other operational amplifiers. Voltage noise directly proportional square root stage current; therefore, LT1007 LT1037 noise current relatively high. frequencies, current-noise corner frequency minimizes noise current some extent. most practical applications, however, noise current will limit system performance; this illustrated Figure where: total noise [(noise voltage)2(noise current RS)2 (resistor noise)2]1/2 Three regions identified function source resistance: (ii) (iii) Voltage noise dominates region Resistor noise dominates region (ii) Current noise dominates region (iii)
LT1007 LT1037 should used region (iii) where total system noise least times higher than noise voltage operational amplifier (i.e., low-voltage noise specification completely wasted).
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LT1007, LT1007A, LT1037, LT1037A LOW-NOISE, HIGH-SPEED, PRECISION OPERATIONAL AMPLIFIERS
APPLICATION INFORMATION
sine wave generator application shown below, utilizes low-noise low-distortion characteristics LT1037.
#327 Lamp
=1591.5
TOTAL HARMONIC DISTORTION 0.0025% NOISE 0.001% AMPLITUDE OUTPUT FREQUENCY 1.000 VALUES GIVEN 0.4%
Figure Ultra-Pure 1-kHz Sine-Wave Generator
EQUIVALENT INPUT NOISE VOLTAGE OVER 10-SECOND PERIOD
Voltage Noise nV/DIV) Output Trim
Time
high gain wide bandwidth LT1037 (LT1007) useful low-frequency high-closed-loop-gain amplifier applications. typical precision operational amplifier have open loop gain million with bandwidth. gain error plot shows, this device capable 0.1% amplifying accuracy only. Even instrumentation range signals vary faster rate. LT1037's gain precision bandwidth product times higher, shown.
Figure
Figure Gain 1000 Amplifier With 0.01% Accuracy,
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LT1037 Output LT1037 RN60C Film Resistors
LT1007, LT1007A, LT1037, LT1037A LOW-NOISE, HIGH-SPEED, PRECISION OPERATIONAL AMPLIFIERS
APPLICATION INFORMATION
GAIN ERROR FREQUENCY CLOSED LOOP GAIN 1000
Typical Precision Operational Amplifier LT1007 LT1007 LT1037 0.01 LOOP GAIN CLOSEDLOOP GAIN OPEN Positive feedback nulling terminals creates approximately hysteresis. Output sink Input offset voltage typically changed less than feedback.
Output
Gain Error
GAIN ERROR 0.001
Frequency
Figure
Trim
Figure Microvolt Comparator With Hysteresis
LT1037
addition LT1007 doubles amplifier's output drive Gain accuracy 0.02%, slightly degraded compared above because self heating LT1037 under load.
Phono Input
Figure Precision Amplifier Drives 300- Load
Figure Phono Preamplifier
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LT1007
0.01 Output LT1037 Resistors Metal Film 0.033 Output
LT1007, LT1007A, LT1037, LT1037A LOW-NOISE, HIGH-SPEED, PRECISION OPERATIONAL AMPLIFIERS
APPLICATION INFORMATION
4.99 0.01
Tape Head Input
Resistors Metal Film
Figure Tape Head Amplifier
2N2219A Chopped Detector Output Output Demodulator Synchronous
Radiation
Optical Chopper
Photo-Conductive Infra-Red Detector HgCdTe Type Infra-Red Associates, 77°K
Figure Infra-Red Detector Preamplifier
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LT1037 Output
LT1007
metal film
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LT1007, LT1007A, LT1037, LT1037A LOW-NOISE, HIGH-SPEED, PRECISION OPERATIONAL AMPLIFIERS
APPLICATION INFORMATION
LT1009
LT1007 -7.5
Reference Bridge 30.1 Zero Trim
Output 30.1
LT1007
LT1007 -7.5
RN60C Film Resistors
Gain Trim
LT1007 capable providing excitation current directly bias 350- bridge With only across bridge opposed usual total power dissipation bridge warm-up drift reduced. bridge output signal halved, LT1007 amplify reduced signal accurately.
Figure Strain Gauge Signal Conditioner With Bridge Excitation
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IMPORTANT NOTICE Texas Instruments subsidiaries (TI) reserve right make changes their products discontinue product service without notice, advise customers obtain latest version relevant information verify, before placing orders, that information being relied current complete. products sold subject terms conditions sale supplied time order acknowledgement, including those pertaining warranty, patent infringement, limitation liability. warrants performance semiconductor products specifications applicable time sale accordance with TI's standard warranty. Testing other quality control techniques utilized extent deems necessary support this warranty. Specific testing parameters each device necessarily performed, except those mandated government requirements. CERTAIN APPLICATIONS USING SEMICONDUCTOR PRODUCTS INVOLVE POTENTIAL RISKS DEATH, PERSONAL INJURY, SEVERE PROPERTY ENVIRONMENTAL DAMAGE ("CRITICAL APPLICATIONS"). SEMICONDUCTOR PRODUCTS DESIGNED, AUTHORIZED, WARRANTED SUITABLE LIFE-SUPPORT DEVICES SYSTEMS OTHER CRITICAL APPLICATIONS. INCLUSION PRODUCTS SUCH APPLICATIONS UNDERSTOOD FULLY CUSTOMER'S RISK. order minimize risks associated with customer's applications, adequate design operating safeguards must provided customer minimize inherent procedural hazards. assumes liability applications assistance customer product design. does warrant represent that license, either express implied, granted under patent right, copyright, mask work right, other intellectual property right covering relating combination, machine, process which such semiconductor products services might used. TI's publication information regarding third party's products services does constitute TI's approval, warranty endorsement thereof.
Copyright 1999, Texas Instruments Incorporated

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