INA118

更新时间： 2024-11-22 22:48:07

品牌	Logo	应用领域
BB		仪表放大器
页数	文件大小	规格书
11页	245K
描述
Precision, Low Power INSTRUMENTATION AMPLIFIER

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INA118 数据手册

INA118

Precision, Low Power

INSTRUMENTATION AMPLIFIER

DESCRIPTION

FEATURES

The INA118 is a low power, general purpose instru-

mentation amplifier offering excellent accuracy. Its

versatile 3-op amp design and small size make it ideal

for a wide range of applications. Current-feedback

input circuitry provides wide bandwidth even at high

gain (70kHz at G = 100).

● LOW OFFSET VOLTAGE: 50µV max

● LOW DRIFT: 0.5µV/°C max

● LOW INPUT BIAS CURRENT: 5nA max

● HIGH CMR: 110dB min

● INPUTS PROTECTED TO ±40V

● WIDE SUPPLY RANGE: ±1.35 to ±18V

● LOW QUIESCENT CURRENT: 350µA

● 8-PIN PLASTIC DIP, SO-8

Asingleexternalresistorsetsanygainfrom1to10,000.

Internal input protection can withstand up to ±40V

without damage.

TheINA118islasertrimmedforverylowoffsetvoltage

(50µV), drift (0.5µV/°C) and high common-mode re-

jection (110dB at G = 1000). It operates with power

supplies as low as±1.35V, and quiescent current is only

350µA—ideal for battery operated systems.

APPLICATIONS

● BRIDGE AMPLIFIER

● THERMOCOUPLE AMPLIFIER

● RTD SENSOR AMPLIFIER

● MEDICAL INSTRUMENTATION

● DATA ACQUISITION

The INA118 is available in 8-pin plastic DIP,

and SO-8 surface-mount packages, specified for

the –40°C to +85°C temperature range.

V+

–

V_IN

INA118

Over-Voltage

Protection

A₁

50kΩ

R_G

G = 1 +

60kΩ

25kΩ

A₃

V_O

R_G

A₂

Ref

V_IN

Over-Voltage

Protection

60kΩ

V–

International Airport Industrial Park

•

Mailing Address: PO Box 11400, Tucson, AZ 85734

FAXLine: (800) 548-6133 (US/Canada Only)

•

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

Printed in U.S.A. April, 1998

^PDS-1^1199D

INA118

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