INA128:130dB CMRR、700?A、低功耗、精密仪表放大器

备选器件推荐
  • INA129 - ?Identical performance with different gain equation.
  • INA131 - ?Improve input offset

The INA128 and INA129 are low-power, general purpose instrumentation amplifiers offering excellent accuracy. The versatile 3-op amp design and small size make these amplifiers ideal for a wide range of applications. Current-feedback input circuitry provides wide bandwidth even at high gain (200 kHz at G = 100).

A single external resistor sets any gain from 1 to 10,000. The INA128 provides an industry-standard gain equation; the INA129 gain equation is compatible with the AD620.

The INA12x is laser-trimmed for very low offset voltage (50 ?V), drift (0.5 ?V/°C) and high common-mode rejection (120 dB at G ≥ 100). The INA12x operates with power supplies as low as ±2.25 V, and quiescent current is only 700 ?A, ideal for battery-operated systems. Internal input protection can withstand up to ±40 V without damage.

The INA12x is available in 8-pin plastic DIP and SO-8 surface-mount packages, specified for the –40°C to 85°C temperature range. The INA128 is also available in a dual configuration, the INA2128.

产品特性
  • Low Offset Voltage: 50 ?V Maximum
  • Low Drift: 0.5 ?V/°C Maximum
  • Low Input Bias Current: 5 nA Maximum
  • High CMR: 120 dB minimum
  • Inputs Protected to ±40 V
  • Wide Supply Range: ±2.25 V to ±18 V
  • Low Quiescent Current: 700 ?A
  • 8-PIN Plastic Dip, SO-8
参数parametrics
参数INA128INA129
Number of Channels (#)11
Vs (Min) (V)4.54.5
Vs (Max) (V)3636
CMRR (Min) (dB)120120
Input Offset (+/-) (Max) (uV)5050
Input Offset Drift (+/-) (Max) (uV/C)0.50.5
Input Bias Current (+/-) (Max) (nA)55
Noise at 1kHz (Typ) (nV/rt(Hz))88
Iq (Typ) (mA)0.70.7
Bandwidth at Min Gain (Typ) (MHz)1.31.3
Gain (Min) (V/V)11
Gain (Max) (V/V)1000010000
Gain Error (+/-) (Max) (%)22
RatingCatalogMilitary
Operating Temperature Range (C)-40 to 125-40 to 125
Package GroupPDIP SOICPDIP SOIC
Approx. Price (US$)3.41 | 1ku
Package Size: mm2:W x L (PKG)See datasheet (PDIP)See datasheet (PDIP)
Noise at 0.1 Hz - 10 Hz (Typ) (uVpp)0.20.2
Gain Non-Linearity (+/-) (Max) (%)0.0120.002
数据表?(1)
标题类型大小 (KB)日期
INA12x Precision, Low Power Instrumentation AmplifiersPDF15432015年 4月 1日
应用手册?(3)
标题类型大小 (KB)日期
所选封装材料的热学和电学性质PDF6452008年 10月 16日
使您的仪器放大器设计达到最佳效果PDF8972006年 7月 13日
A Numerical Protection Relay SolutionPDF1872010年 9月 2日
用户指南?(2)
标题类型大小 (KB)日期
Instrumentation Amplifier With DC Rejection Design GuidePDF10802015年 5月 14日
Universal Instrumentation Amplifier EVM User’s GuidePDF7212013年 9月 11日
选择与解决方案指南?(2)
标题类型大小 (KB)日期
模拟信号链路产品指南 (Rev. B)PDF55182013年 9月 3日
TI HealthTech Fitness GuidePDF35942013年 4月 10日
模型?(3)
标题种类类型大小 (KB)日期
INA128 PSpice ModelPSpice ModelZIP39?KB2012年 6月 21日
INA128 TINA TI Reference DesignTINA-TI Reference DesignTSC88?KB2012年 6月 21日
INA128 TINA TI Spice ModelTINA-TI Spice ModelZIP5?KB2012年 6月 21日
设计套件与评估板?(1)
培训内容型号类型
通用仪表放大器评估模块INAEVM评估模块和开发板
App?(1)
开发工具?(2)
培训内容型号类型
基于 SPICE 的模拟仿真程序TINA-TI电路设计和仿真
计算仪表放大器的输入共模范围INA-CMV-CALC计算工具
订购型号
型号试生产 / 生产材料状态温度(oC)价格(美金) | Quantity封装 | 引脚器件标记封装数量 | 载体
INA128P生产ACTIVE6.05 | 1kuPDIP?(P)INA128P50 | TUBE
INA128PA生产ACTIVE3.92 | 1kuPDIP?(P)INA128P A50 | TUBE
INA128PAG4生产ACTIVE3.92 | 1kuPDIP?(P)INA128P A50 | TUBE
INA128PG4生产ACTIVE6.05 | 1kuPDIP?(P)INA128P50 | TUBE
INA128U生产ACTIVE6.26 | 1kuSOIC?(D)INA 128U75 | TUBE
INA128U/2K5生产ACTIVE5.53 | 1kuSOIC?(D)INA 128U2500 | LARGE T&R
INA128U/2K5G4生产ACTIVE5.53 | 1kuSOIC?(D)INA 128U2500 | LARGE T&R
INA128UA生产ACTIVE-40 to 1254.14 | 1kuSOIC?(D)INA 128U A75 | TUBE
INA128UA/2K5生产ACTIVE-40 to 1253.41 | 1kuSOIC?(D)INA 128U A2500 | LARGE T&R
INA128UA/2K5E4生产ACTIVE-40 to 1253.41 | 1kuSOIC?(D)INA 128U A2500 | LARGE T&R
INA128UA/2K5G4生产ACTIVE-40 to 1253.41 | 1kuSOIC?(D)INA 128U A2500 | LARGE T&R
INA128UAE4生产ACTIVE-40 to 1254.14 | 1kuSOIC?(D)INA A 128U75 | TUBE
INA128UAG4生产ACTIVE-40 to 1254.14 | 1kuSOIC?(D)INA A 128U75 | TUBE
INA128UG4生产ACTIVE6.26 | 1kuSOIC?(D)INA 128U75 | TUBE
INA12x Precision, Low Power Instrumentation Amplifiers INA128
所选封装材料的热学和电学性质 DCP010505B
使您的仪器放大器设计达到最佳效果 ADS8321
A Numerical Protection Relay Solution ADS8558
Instrumentation Amplifier With DC Rejection Design Guide INA128
Universal Instrumentation Amplifier EVM User’s Guide INA118
模拟信号链路产品指南 (Rev. B) BQ24392
TI HealthTech Fitness Guide ADS1298ECGFE-PDK
INA128 PSpice Model INA128
INA128 TINA TI Reference Design INA128
INA128 TINA TI Spice Model INA128
INA128
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