Datasheet > INA125UA/2K5

INA125UA/2K5

更新时间： 2024-11-04 11:11:39

品牌	Logo	应用领域
德州仪器 - TI		放大器仪表光电二极管仪表放大器
页数	文件大小	规格书
19页	369K
描述
具有精密电压参考的仪表放大器 \| D \| 16

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中文翻译

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数据手册
替代型号

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INA125UA/2K5 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

SBOS060

12 3 4 5 6 7...19

中文翻译

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INA125UA/2K5 替代型号

型号	品牌	替代类型	描述	数据表
INA125U	TI	类似代替	具有精密电压参考的仪表放大器 \| D \| 16
INA125UA	TI	类似代替	具有精密电压参考的仪表放大器 \| D \| 16

与INA125UA/2K5相关器件

型号	品牌	获取价格	描述	数据表
INA126	BB	获取价格	MicroPOWER INSTRUMENTATION AMPLIFIER Single and Dual Versions
INA126	TI	获取价格	36V 微功耗 (175µA)、250µV 失调电压、精密仪器放大器
INA126/INA2126	BB	获取价格	INA126. INA2126 - MicroPOWER INSTRUMENTATION AMPLIFIER Single and Dual Versions
INA126E	BB	获取价格	MicroPOWER INSTRUMENTATION AMPLIFIER Single and Dual Versions
INA126E	TI	获取价格	IC,INSTRUMENTATION AMPLIFIER,SINGLE,SOP,8PIN,PLASTIC
INA126E/250	TI	获取价格	36V 微功耗 (175µA)、250µV 失调电压、精密仪器放大器 \| DGK \| 8
INA126E/250	BB	获取价格	MicroPOWER INSTRUMENTATION AMPLIFIER Single and Dual Versions
INA126E/250G4	BB	获取价格	MicroPOWER INSTRUMENTATION AMPLIFIER Single and Dual Versions
INA126E/250G4	TI	获取价格	36V 微功耗 (175µA)、250µV 失调电压、精密仪器放大器 \| DGK \| 8
INA126E/2K5	BB	获取价格	MicroPOWER INSTRUMENTATION AMPLIFIER Single and Dual Versions

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