INA125

更新时间： 2024-11-02 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
13页	275K
描述
INSTRUMENTATION AMPLIFIER With Precision Voltage Reference

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中文翻译

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数据手册

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INA125 数据手册

INA125

INSTRUMENTATION AMPLIFIER

With Precision Voltage Reference

FEATURES

APPLICATIONS

● LOW QUIESCENT CURRENT: 460µA

● PRESSURE AND TEMPERATURE BRIDGE

AMPLIFIERS

● PRECISION VOLTAGE REFERENCE:

1.24V, 2.5V, 5V or 10V

● INDUSTRIAL PROCESS CONTROL

● FACTORY AUTOMATION

● SLEEP MODE

● LOW OFFSET VOLTAGE: 250µV max

● LOW OFFSET DRIFT: 2µV/°C max

● LOW INPUT BIAS CURRENT: 20nA max

● HIGH CMR: 100dB min

● MULTI-CHANNEL DATA ACQUISITION

● BATTERY OPERATED SYSTEMS

● GENERAL PURPOSE INSTRUMENTATION

SLEEP

V+

● LOW NOISE: 38nV/√Hz at f = 1kHz

● INPUT PROTECTION TO ±40V

INA125

_REFCOM

● WIDE SUPPLY RANGE

Single Supply: 2.7V to 36V

Dual Supply: ±1.35V to ±18V

_REFBG

● 16-PIN DIP AND SO-16 SOIC PACKAGES

V_REF2.5

DESCRIPTION

V_REF

The INA125 is a low power, high accuracy instrumen-

tation amplifier with a precision voltage reference. It

provides complete bridge excitation and precision dif-

ferential-input amplification on a single integrated

circuit.

V_REF10 16

Ref

Amp

Bandgap

V_REF

V_REFOut

10V

A single external resistor sets any gain from 4 to

10,000. The INA125 is laser-trimmed for low offset

voltage (250µV), low offset drift (2µV/°C), and high

common-mode rejection (100dB at G = 100). It oper-

ates on single (+2.7V to +36V) or dual (±1.35V to

±18V) supplies.

V_IN

A₁

V_O

30kΩ

Sense

10kΩ

R_G

The voltage reference is externally adjustable with pin-

selectable voltages of 2.5V, 5V, or 10V, allowing use

with a variety of transducers. The reference voltage is

accurate to ±0.5% (max) with ±35ppm/°C drift (max).

Sleep mode allows shutdown and duty cycle operation

to save power.

10kΩ

–

V_O= (V_IN– V_IN) G

G = 4 + 60kΩ

R_G

A₂

–

V_IN

30kΩ

IA_REF

The INA125 is available in 16-pin plastic DIP and

SO-16 surface-mount packages and is specified for

the –40°C to +85°C industrial temperature range.

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

PDS-1361B

Printed in U.S.A., February, 1998

12 3 4 5 6 7...13

中文翻译

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与INA125相关器件

型号	品牌	获取价格	描述	数据表
INA125-DIE	TI	获取价格	具有精密电压参考的仪表放大器
INA125P	BB	获取价格	INSTRUMENTATION AMPLIFIER With Precision Voltage Reference
INA125P	TI	获取价格	具有精密电压参考的仪表放大器 \| N \| 16 \| -40 to 85
INA125PA	BB	获取价格	INSTRUMENTATION AMPLIFIER With Precision Voltage Reference
INA125PA	TI	获取价格	具有精密电压参考的仪表放大器 \| N \| 16
INA125PAG4	TI	获取价格	具有精密电压参考的仪表放大器 \| N \| 16
INA125TDA1	TI	获取价格	具有精密电压参考的仪表放大器 \| TD \| 0
INA125TDA2	TI	获取价格	具有精密电压参考的仪表放大器 \| TD \| 0
INA125U	TI	获取价格	具有精密电压参考的仪表放大器 \| D \| 16
INA125U	BB	获取价格	INSTRUMENTATION AMPLIFIER With Precision Voltage Reference

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