INA152| Datasheet

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INA152
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Single-Supply DIFFERENCE AMPLIFIER
FEATURES
q SWING: to Within 200mV of Either Output Rail q LOW OFFSET DRIFT: 3uV/ C q LOW OFFSET VOLTAGE: 250uV q HIGH CMR: 94dB q LOW GAIN ERROR: 0.01% q LOW GAIN ERROR DRIFT: 1ppm/ C q WIDE SUPPLY RANGE: Single: 2.7V to 20V Dual: 1.35V to 10V q MSOP-8 PACKAGE

APPLICATIONS
q DIFFERENCE INPUT AMPLIFIER BUILDING BLOCK q UNITY-GAIN INVERTING AMPLIFIER q GAIN = 1/2 q AMPLIFIER GAIN = 2 AMPLIFIER q SUMMING AMPLIFIER q SYNCHRONOUS DEMODULATOR q CURRENT AND DIFFERENTIAL LINE RECEIVER q VOLTAGE-CONTROLLED CURRENT SOURCE q BATTERY-POWERED SYSTEMS q LOW-COST AUTOMOTIVE INSTRUMENTATION negative rails and the output swings to within 50mV of either rail. The difference amplifier is the foundation of many commonly used circuits. The INA152 provides precision circuit function without using an expensive precision network. The INA152 is specified for operation over the extended industrial temperature range, 40 C to +85 C.

DESCRIPTION
The INA152 is a small (MSOP-8), low-power, unitygain difference amplifier consisting of a CMOS op amp and a precision resistor network. The on-chip resistors are laser trimmed for accurate gain and high common-mode rejection. Excellent TCR tracking of the resistor maintains gain accuracy and commonmode rejection over temperature. The input commonmode voltage range extends to above the positive and

VIN

2

40k

INA152

40k

5

Sense

6

VO

VIN+

3

40k

40k

7 V+

4 V

1 Ref

Copyright 2001, Texas Instruments Incorporated

SBOS184

Printed in U.S.A. January, 2001

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INA152 DATASHEET