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INA117

Burr-Brown Corporation
Part Number INA117
Manufacturer Burr-Brown Corporation
Description High Common-Mode Voltage DIFFERENCE AMPLIFIER
Published Apr 5, 2005
Detailed Description INA117 www.ti.com INA117 INA117 High Common-Mode Voltage DIFFERENCE AMPLIFIER FEATURES q COMMON-MODE INPUT RANGE: ±20...
Datasheet PDF File INA117 PDF File

INA117
INA117

Overview
INA117 www.
ti.
com INA117 INA117 High Common-Mode Voltage DIFFERENCE AMPLIFIER FEATURES q COMMON-MODE INPUT RANGE: ±200V (VS = ±15V) q PROTECTED INPUTS: ±500V Common-Mode ±500V Differential q UNITY GAIN: 0.
02% Gain Error max q NONLINEARITY: 0.
001% max q CMRR: 86dB min APPLICATIONS q CURRENT MONITOR q BATTERY CELL-VOLTAGE MONITOR q GROUND BREAKER q INPUT PROTECTION q SIGNAL ACQUISITION IN NOISY ENVIRONMENTS q FACTORY AUTOMATION DESCRIPTION The INA117 is a precision unity-gain difference amplifier with very high common-mode input voltage range.
It is a single monolithic IC consisting of a precision op amp and integrated thin-film resistor network.
It can accurately measure small differential voltages in the presence of common-mode signals up to ±200V.
The INA117 inputs are protected from momentary common-mode or differential overloads up to ±500V.
In many applications, where galvanic isolation is not essential, the INA117 can replace isolation amplifiers.
This can eliminate costly isolated input-side power supplies and their associated ripple, noise and quiescent current.
The INA117’s 0.
001% nonlinearity and 200kHz bandwidth are superior to those of conventional isolation amplifiers.
The INA117 is available in 8-pin plastic mini-DIP and SO-8 surface-mount packages, specified for the –40°C to +85°C temperature range.
The metal TO-99 models are available specified for the –40°C to +85°C and –55°C to +125°C temperature range.
21.
11kΩ RefB 1 380kΩ –In 2 380kΩ +In 3 V– 4 380kΩ 20kΩ 8 Comp 7 V+ 6 VO 5 RefA Copyright © 2000, Texas Instruments Incorporated SBOS154A Printed in U.
S.
A.
December, 2000 SPECIFICATIONS At TA = +25°C, VS = ±15V, unless otherwise noted.
PARAMETER CONDITIONS INA117AM, SM MIN TYP MAX INA117BM MIN TYP MAX INA117P, KU MIN TYP MAX UNITS GAIN Initial (1) Error vs Temperature Nonlinearity (2) 1 0.
01 2 0.
0002 0.
05 10 0.
001 ✻ ✻ 0.
02 ✻ ✻ ✻ ✻ V/V ✻ ✻ % ✻ ppm/°C ✻ ✻ % OUTPUT Rated Voltage Rated Current Impedance Current Limit...


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