INA117

更新时间： 2024-11-22 22:48:07

品牌	Logo	应用领域
BB		放大器
页数	文件大小	规格书
14页	194K
描述
High Common-Mode Voltage DIFFERENCE AMPLIFIER

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INA117 数据手册

INA117

High Common-Mode Voltage

DIFFERENCE AMPLIFIER

FEATURES

APPLICATIONS

● COMMON-MODE INPUT RANGE:

● CURRENT MONITOR

±200V (V_S= ±15V)

● BATTERY CELL-VOLTAGE MONITOR

● GROUND BREAKER

● PROTECTED INPUTS:

±500V Common-Mode

±500V Differential

● INPUT PROTECTION

● SIGNAL ACQUISITION IN NOISY

● UNITY GAIN: 0.02% Gain Error max

● NONLINEARITY: 0.001% max

● CMRR: 86dB min

ENVIRONMENTS

● 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.

21.11kΩ

Ref_B

–In

+In

V–

Comp

V+

380kΩ

20kΩ

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 quies-

cent current. The INA117’s 0.001% nonlinearity and

200kHz bandwidth are superior to those of conven-

tional isolation amplifiers.

V_O

Ref_A

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.

International Airport Industrial Park

•

Mailing Address: PO Box 11400, Tucson, AZ 85734

•

Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706

• Tel: (520) 746-1111

Twx: 910-952-1111 Internet: http://www.burr-brown.com/

•

Cable: BBRCORP Telex: 066-6491

•

FAX: (520) 889-1510 Immediate Product Info: (800) 548-6132

•

PDS-748G

Printed in U.S.A. August, 1999

12 3 4 5 6 7...14

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