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INA2128中文资料双路低功耗仪表放大器数据手册TI规格书

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厂商型号

INA2128

功能描述

双路低功耗仪表放大器

制造商

TI Texas Instruments

中文名称

德州仪器 美国德州仪器公司

数据手册

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更新时间

2025-9-23 22:59:00

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INA2128规格书详情

描述 Description

The INA2128 is a dual, low power, general purpose instrumentation 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 (200kHz at G = 100).

A single external resistor sets any gain from 1 to 10,000. Internal input protection can withstand up to ±40V without damage.

The INA2128 is laser trimmed for very low offset voltage (50µV), drift (0.5µV/°C) and high common-mode rejection (120dB at G ≥ 100). It operates with power supplies as low as ±2.25V, and quiescent current is only 700µA per IA—ideal for battery operated and multiple-channel systems.

The INA2128 is available in 16-pin plastic DIP, and SOL-16 surface-mount packages, specified for the -40°C to +85°C temperature range.

特性 Features

• LOW OFFSET VOLTAGE: 50µV max
• LOW DRIFT: 0.5µV/°C max
• LOW INPUT BIAS CURRENT: 5nA max
• HIGH CMR: 120dB min
• INPUTS PROTECTED to ±40V
• WIDE SUPPLY RANGE: ±2.25V to ±18V
• LOW QUIESCENT CURRENT: 700µA / IA
• 16-PIN PLASTIC DIP, SOL-16
• APPLICATIONS
• SENSOR AMPLIFIER THERMOCOUPLE, RTD, BRIDGE
• MEDICAL INSTRUMENTATION
• MULTIPLE-CHANNEL SYSTEMS
• BATTERY OPERATED EQUIPMENT

技术参数

  • 制造商编号

    :INA2128

  • 生产厂家

    :TI

  • Vs (Max) (V)

    :36

  • Vs (Min) (V)

    :4.5

  • Input offset (+/-) (Max) (uV)

    :50

  • Gain (Min) (V/V)

    :1

  • Gain (Max) (V/V)

    :10000

  • Noise at 1 kHz (Typ) (nV/rt (Hz))

    :8

  • Features

    :Current Feedback

  • CMRR (Min) (dB)

    :120

  • Input offset drift (+/-) (Max) (uV/C)

    :0.5

  • Input bias current (+/-) (Max) (nA)

    :5

  • Iq (Typ) (mA)

    :0.7

  • Bandwidth at min gain (Typ) (MHz)

    :1.3

  • Gain error (+/-) (Max) (%)

    :0.5

  • Operating temperature range (C)

    :-40 to 85

  • Type

    :Resistor

  • Output swing headroom (to negative supply) (Typ) (V)

    :0.8

  • Output swing headroom (to positive supply) (Typ) (V)

    :-0.9

  • Input common mode headroom (to negative supply) (Typ) (V)

    :1.7

  • Input common mode headroom (to positive supply) (Typ) (V)

    :-1.4

  • Noise at 0.1 Hz-10 Hz (Typ) (uVpp)

    :0.2

  • Gain non-linearity (+/-) (Max) (%)

    :0.002

供应商 型号 品牌 批号 封装 库存 备注 价格
TI(德州仪器)
24+
NA/
7350
现货供应,当天可交货!免费送样,原厂技术支持!!!
询价
TI
2016+
SOIC16
2500
主营TI,绝对原装,假一赔十,可开17%增值税发票!
询价
TI
三年内
1983
只做原装正品
询价
TI
24+
SOP16
20000
全新原厂原装,进口正品现货,正规渠道可含税!!
询价
TI/TEXAS
23+
原厂封装
8931
询价
TI/德州仪器
25+
25000
原厂原包 深圳现货 主打品牌 假一赔百 可开票!
询价
TI(德州仪器)
2450+
SMD
9850
只做原装正品代理渠道!假一赔三!
询价
TI
16+
SOIC
10000
原装正品
询价
TI/BB
25+
SOIC16
18000
原厂直接发货进口原装
询价
TI
24+
SOIC|16
8230
免费送样原盒原包现货一手渠道联系
询价