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型号	功能描述	生产厂家企业	LOGO
INA2191	INAx191 40-V, Bidirectional, Ultra-Precise Current Sense Amplifier With picoamp IB and ENABLE in WCSP Package 1 Features • Low power: – Supply voltage, VS: 1.7 V to 5.5 V – Shutdown current: 100 nA (max INA191) – Quiescent current: 43 μA at 25 °C (INA191) • Low input bias currents: 100 pA (typical) (enables microamp current measurement) • Bidirectional current measurement (INA2191) • Accuracy: –	TI 德州仪器	TI
INA2191	采用 WCSP 封装、具有皮安级 IB 和使能引脚的 40V、双通道、双向、超精密电流检测放大器 The INAx191 is a low-power, voltage-output, current-shunt monitor (also called a current-sense amplifier) that is commonly used for overcurrent protection, precision-current measurement for system optimization, or in closed-loop feedback circuits. This device can sense drops across shunts at common- • Low power: \n• Shutdown current: 100 nA (max INA191)\n• Low input bias currents: 100 pA (typical) (enables microamp current measurement)\n• Accuracy: \n• 7-ppm/°C gain drift (maximum)\n• 0.13-µV/°C offset drift (maximum)\n• Wide common-mode voltage: –0.2 V to +40 V\n• INAx191A1: 25 V/V\n• INAx191A;	TI 德州仪器	TI
INA2191	INAx191 40-V, Bidirectional, Ultra-Precise Current Sense Amplifier With picoamp IB and ENABLE in WCSP Package 文件：2.32703 Mbytes Page：41 Pages	TI 德州仪器	TI
INA2191	INAx191 40-V, Bidirectional, Ultra-Precise Current Sense Amplifier With picoamp IB and ENABLE in WCSP Package 文件：2.41869 Mbytes Page：42 Pages	TI 德州仪器	TI
INA2191A1IYBJR	INAx191 40-V, Bidirectional, Ultra-Precise Current Sense Amplifier With picoamp IB and ENABLE in WCSP Package 1 Features • Low power: – Supply voltage, VS: 1.7 V to 5.5 V – Shutdown current: 100 nA (max INA191) – Quiescent current: 43 μA at 25 °C (INA191) • Low input bias currents: 100 pA (typical) (enables microamp current measurement) • Bidirectional current measurement (INA2191) • Accuracy: –	TI 德州仪器	TI
INA2191A1IYBJR.A	INAx191 40-V, Bidirectional, Ultra-Precise Current Sense Amplifier With picoamp IB and ENABLE in WCSP Package 1 Features • Low power: – Supply voltage, VS: 1.7 V to 5.5 V – Shutdown current: 100 nA (max INA191) – Quiescent current: 43 μA at 25 °C (INA191) • Low input bias currents: 100 pA (typical) (enables microamp current measurement) • Bidirectional current measurement (INA2191) • Accuracy: –	TI 德州仪器	TI
INA2191A2IYBJR	丝印代码：29K1；INAx191 40-V, Bidirectional, Ultra-Precise Current Sense Amplifier With picoamp IB and ENABLE in WCSP Package 1 Features • Low power: – Supply voltage, VS: 1.7 V to 5.5 V – Shutdown current: 100 nA (max INA191) – Quiescent current: 43 μA at 25 °C (INA191) • Low input bias currents: 100 pA (typical) (enables microamp current measurement) • Bidirectional current measurement (INA2191) • Accuracy: –	TI 德州仪器	TI
INA2191A2IYBJR.A	丝印代码：29K1；INAx191 40-V, Bidirectional, Ultra-Precise Current Sense Amplifier With picoamp IB and ENABLE in WCSP Package 1 Features • Low power: – Supply voltage, VS: 1.7 V to 5.5 V – Shutdown current: 100 nA (max INA191) – Quiescent current: 43 μA at 25 °C (INA191) • Low input bias currents: 100 pA (typical) (enables microamp current measurement) • Bidirectional current measurement (INA2191) • Accuracy: –	TI 德州仪器	TI
INA2191A3IYBJR	丝印代码：29L1；INAx191 40-V, Bidirectional, Ultra-Precise Current Sense Amplifier With picoamp IB and ENABLE in WCSP Package 1 Features • Low power: – Supply voltage, VS: 1.7 V to 5.5 V – Shutdown current: 100 nA (max INA191) – Quiescent current: 43 μA at 25 °C (INA191) • Low input bias currents: 100 pA (typical) (enables microamp current measurement) • Bidirectional current measurement (INA2191) • Accuracy: –	TI 德州仪器	TI
INA2191A3IYBJR.A	丝印代码：29L1；INAx191 40-V, Bidirectional, Ultra-Precise Current Sense Amplifier With picoamp IB and ENABLE in WCSP Package 1 Features • Low power: – Supply voltage, VS: 1.7 V to 5.5 V – Shutdown current: 100 nA (max INA191) – Quiescent current: 43 μA at 25 °C (INA191) • Low input bias currents: 100 pA (typical) (enables microamp current measurement) • Bidirectional current measurement (INA2191) • Accuracy: –	TI 德州仪器	TI
INA2191A4IYBJR	丝印代码：29M1；INAx191 40-V, Bidirectional, Ultra-Precise Current Sense Amplifier With picoamp IB and ENABLE in WCSP Package 1 Features • Low power: – Supply voltage, VS: 1.7 V to 5.5 V – Shutdown current: 100 nA (max INA191) – Quiescent current: 43 μA at 25 °C (INA191) • Low input bias currents: 100 pA (typical) (enables microamp current measurement) • Bidirectional current measurement (INA2191) • Accuracy: –	TI 德州仪器	TI
INA2191A4IYBJR.A	丝印代码：29M1；INAx191 40-V, Bidirectional, Ultra-Precise Current Sense Amplifier With picoamp IB and ENABLE in WCSP Package 1 Features • Low power: – Supply voltage, VS: 1.7 V to 5.5 V – Shutdown current: 100 nA (max INA191) – Quiescent current: 43 μA at 25 °C (INA191) • Low input bias currents: 100 pA (typical) (enables microamp current measurement) • Bidirectional current measurement (INA2191) • Accuracy: –	TI 德州仪器	TI
INA2191A5IYBJR	INAx191 40-V, Bidirectional, Ultra-Precise Current Sense Amplifier With picoamp IB and ENABLE in WCSP Package 1 Features • Low power: – Supply voltage, VS: 1.7 V to 5.5 V – Shutdown current: 100 nA (max INA191) – Quiescent current: 43 μA at 25 °C (INA191) • Low input bias currents: 100 pA (typical) (enables microamp current measurement) • Bidirectional current measurement (INA2191) • Accuracy: –	TI 德州仪器	TI
INA2191A5IYBJR.A	INAx191 40-V, Bidirectional, Ultra-Precise Current Sense Amplifier With picoamp IB and ENABLE in WCSP Package 1 Features • Low power: – Supply voltage, VS: 1.7 V to 5.5 V – Shutdown current: 100 nA (max INA191) – Quiescent current: 43 μA at 25 °C (INA191) • Low input bias currents: 100 pA (typical) (enables microamp current measurement) • Bidirectional current measurement (INA2191) • Accuracy: –	TI 德州仪器	TI
INA2191A1IYBJR	丝印代码：29J1；INAx191 40-V, Bidirectional, Ultra-Precise Current Sense Amplifier With picoamp IB and ENABLE in WCSP Package 文件：2.41869 Mbytes Page：42 Pages	TI 德州仪器	TI
INA2191A1IYBJR	INAx191 40-V, Bidirectional, Ultra-Precise Current Sense Amplifier With picoamp IB and ENABLE in WCSP Package 文件：2.32703 Mbytes Page：41 Pages	TI 德州仪器	TI
INA2191A2IYBJR	INAx191 40-V, Bidirectional, Ultra-Precise Current Sense Amplifier With picoamp IB and ENABLE in WCSP Package 文件：2.32703 Mbytes Page：41 Pages	TI 德州仪器	TI
INA2191A2IYBJR	丝印代码：29K1；INAx191 40-V, Bidirectional, Ultra-Precise Current Sense Amplifier With picoamp IB and ENABLE in WCSP Package 文件：2.41869 Mbytes Page：42 Pages	TI 德州仪器	TI
INA2191A3IYBJR	丝印代码：29L1；INAx191 40-V, Bidirectional, Ultra-Precise Current Sense Amplifier With picoamp IB and ENABLE in WCSP Package 文件：2.41869 Mbytes Page：42 Pages	TI 德州仪器	TI
INA2191A3IYBJR	INAx191 40-V, Bidirectional, Ultra-Precise Current Sense Amplifier With picoamp IB and ENABLE in WCSP Package 文件：2.32703 Mbytes Page：41 Pages	TI 德州仪器	TI
INA2191A4IYBJR	INAx191 40-V, Bidirectional, Ultra-Precise Current Sense Amplifier With picoamp IB and ENABLE in WCSP Package 文件：2.32703 Mbytes Page：41 Pages	TI 德州仪器	TI
INA2191A4IYBJR	丝印代码：29M1；INAx191 40-V, Bidirectional, Ultra-Precise Current Sense Amplifier With picoamp IB and ENABLE in WCSP Package 文件：2.41869 Mbytes Page：42 Pages	TI 德州仪器	TI
INA2191A5IYBJR	丝印代码：29N1；INAx191 40-V, Bidirectional, Ultra-Precise Current Sense Amplifier With picoamp IB and ENABLE in WCSP Package 文件：2.41869 Mbytes Page：42 Pages	TI 德州仪器	TI
INA2191A5IYBJR	INAx191 40-V, Bidirectional, Ultra-Precise Current Sense Amplifier With picoamp IB and ENABLE in WCSP Package 文件：2.32703 Mbytes Page：41 Pages	TI 德州仪器	TI
INA2191EVM	包装：散装描述：INA2191 CURRENT SENSING EVALUATI 开发板，套件，编程器评估板 - 运算放大器	TI 德州仪器	TI
ADSP-2191	DSP Microcomputer GENERAL DESCRIPTION The ADSP-2191M DSP is a single-chip microcomputer optimized for digital signal processing (DSP) and other high speed numeric processing applications. The ADSP-2191M combines the ADSP-219x family base architecture (three computational units, two data address gener ators, and a	AD 亚德诺	AD
ADSP-2191M	DSP Microcomputer GENERAL DESCRIPTION The ADSP-2191M DSP is a single-chip microcomputer optimized for digital signal processing (DSP) and other high speed numeric processing applications. The ADSP-2191M combines the ADSP-219x family base architecture (three computational units, two data address gener ators, and a	AD 亚德诺	AD
NJM2191	SRS 3D Stereo & SRS HEADPHONE AUDIO PROCESSOR 文件：89.33 Kbytes Page：7 Pages	NJRC 日本无线	NJRC
NJM2191L	SRS 3D Stereo & SRS HEADPHONE AUDIO PROCESSOR 文件：89.33 Kbytes Page：7 Pages	NJRC 日本无线	NJRC
NJM2191M	SRS 3D Stereo & SRS HEADPHONE AUDIO PROCESSOR 文件：89.33 Kbytes Page：7 Pages	NJRC 日本无线	NJRC

INA2191产品属性

类型
描述
Common mode voltage (Min) (V)：
-0.2
Input offset (+/-) (Max) (uV)：
12
Input offset drift (+/-) (Typ) (uV/C)：
0.01
Gain (V/V)：
100
Gain error (%)：
0.3
Gain error drift (+/-) (Max) (ppm/°C)：
7
CMRR (Min) (dB)：
120
Bandwidth (kHz)：
45
Supply voltage (Max) (V)：
5.5
Supply voltage (Min) (V)：
1.7
Iq (Max) (mA)：
0.09
Number of channels (#)：
2
Comparators (#)：
0
Features：
Low-side Capable
Rating：
Catalog
Operating temperature range (C)：
-40 to 125

INA2191供应商更多...

更新时间：2026-5-19 13:26:00

IC供应商	芯片型号	品牌	批号	封装	库存	备注	价格
深圳市东来宝电子科技有限公司	INA2191A3IYBJR	TI	25+	原封装	66330	郑重承诺只做原装进口现货	询价
深圳市祥瑞智科技有限公司	INA2191A3IYBJR	TI	25+	DSBGA12	6000	原厂原装,价格优势	询价
深圳市盈慧通电子有限公司	INA2191A3IYBJR	TI(德州仪器)	2511	DSBGA-12	9550	电子元器件采购降本30%!原厂直采,砍掉中间差价	询价
深圳市腾胜芯科技有限公司	INA2191A1IYBJR	TI/德州仪器	25+	原厂封装	10280		询价
深圳市得捷芯城科技有限公司	INA2191A2IYBJR	TI	25+	DSBGA-12	22412	原装正品现货,原厂订货,可支持含税原型号开票。	询价
深圳市煦洪科技有限公司	INA2191A1IYBJR	TI/德州仪器	25+	原厂封装	10280	原厂授权代理,专注军工、汽车、医疗、工业、新能源！	询价
深圳市高捷芯城科技有限公司	INA2191A5IYBJR	TI	25+	DSBGA(YBJ)	7786	正规渠道,免费送样。支持账期,BOM一站式配齐	询价
深圳市璇晨芯科技有限公司	INA2191A1IYBJR	TI/德州仪器	26+	原厂封装	10280		询价
深圳市冠亿通科技有限公司	INA2191A5IYBJR	Texas Instruments	24+25+		16500	全新原厂原装现货!受权代理!可送样可提供技术支持!	询价
深圳市芯球通科技有限公司	INA2191A3IYBJR	TI(德州仪器)	23+	DSBGA-12	13650	公司只做原装正品,假一赔十	询价

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DdatasheetPDF页码索引

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找IC，尽在114IC

INA2191产品属性

INA2191供应商更多...

INA2191芯片相关品牌

INA2191规格书下载地址

INA2191参数引脚图相关

INA2191数据表相关新闻

INA214AIDCKR

INA219AIDCNR

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INA219AIDCNR

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DdatasheetPDF页码索引