LINEAR TECHNOLOGY - LT1097 Low Cost, Low Power Precision Op Amp User's Manual
Summary
The LT1097 is a low-cost, high-precision operational amplifier engineered for demanding analog applications. It delivers outstanding performance—including low offset voltage and minimal power draw—without compromising quality. This technical summary provides engineers with comprehensive electrical characteristics, deep dives into stability, and application guidelines necessary for designing sensitive instrumentation circuits, accurate voltage meters, and low-noise signal processing systems requiring exceptional reliability.
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LT1097
Low Cost, Low Power Precision Op Amp
FEATURES DESCRIPTION
Offset Voltage 50µV Max LT®1097 achieves a new standard in combining low price Offset Voltage Drift 1µV/°C Max and outstanding precision performance. Bias Current 250p A Max
On all operational amplifier data sheets, the specifications
Offset Current 250p A Max
listed on the front page are for highly selected, expensive
Bias and Offset Current Drift 4p A/°C Max
grades, while the specs for the low cost grades are buried
Supply Current 560µA Max
deep in the data sheet.
0.1Hz to 10Hz Noise 0.5µVp-p, 2.2p Ap-p
CMRR 115d B Min The LT1097 does not have any selected grades, the Voltage Gain 117d B Min outstanding specifications shown in the Features section PSRR 114d B Min are for its only grade.
Guaranteed Operation on Two Ni Cad Batteries
The design effort of the LT1097 concentrated on optimiz- ing the performance of all precision specs—at only 350µA of supply current. Typical values are 10µV offset voltage,
APPLICATIONS
PE RC EN OF NI TS 40p A bias and offset currents, 0.2µV/°C and 0.4p A/°C
Replaces OP-07/OP-77/OP-97/OP-177/AD707/ drift. Common mode and power supply rejections, voltage LT1001 with Improved Price/Performance gain are typically in excess of 128d B. High Impedance Difference Amplifiers
All parameters that are important for precision, low power
Logarithmic Amplifiers (Wide Dynamic Range)
op amps have been optimized. Consequently, using the
Thermocouple Amplifiers
LT1097 error budget calculations in most applications is
Precision Instrumentation
unnecessary.
Active Filters (with Small Capacitors)
, LTC and LT are registered trademarks of Linear Technology Corporation.
TYPICAL APPLICATION
Input Offset Voltage Distribution Saturated Standard Cell Amplifier
6,500 UNITS IN SO PACKAGE
6,680 UNITS IN PLASTIC
DIP VS = ±15V 13,180 UNITS TA = 25°C
LT1097 OUT = 1.1V TO 8.0V
TESTED
AS 1.8k ≤ R2 ≤ 135k
SATURATED STANDARD CELL #101 EPPLEY LABS
NEWPORT, R. I.
20k THE TYPICAL 40p A BIAS CURRENT OF THE LT1097 WILL DEGRADE THE STANDARD CELL BY ONLY
1ppm/YEAR. NOISE IS A FRACTION OF A ppm.
UNPROTECTED GATE MOSFET ISOLATES INPUT OFFSET VOLTAGE (µV)
STANDARD CELL ON POWER DOWN. LT1097 • G01
LT1097•TA01
Page Summary Contents For LINEAR TECHNOLOGY - LT1097 Low Cost, Low Power Precision Op Amp User's Manual
Manual Details
| Brand | Linear |
|---|---|
| Pages | 12 |
| File Size | 188.04 KB |
| Published | June 05, 2026 |
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Frequently Asked Questions
What are the minimum guaranteed CMRR and PSRR values?
The minimum specified ratings are 115dB for Common Mode Rejection Ratio (CMRR) and 114dB for Power Supply Rejection Ratio (PSRR).
What is the maximum operating temperature range for the LT1097?
The unit is guaranteed to operate within a range of -40°C to 85°C.
How low are the bias and offset currents?
Typical values listed in the application section show a bias current of 40pA and an offset drift rate that can be optimized for performance.