Current Sense Amplifiers – Mouser Puerto Rico

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INAx191 Current Sense Amplifier

Texas Instruments INAx191 Current Sense Amplifier is a low-power, voltage-output, current-shunt monitor (also called a current-sense amplifier). This amplifier is commonly used for overcurrent protection, precision-current measurement for system optimization, or closed-loop feedback circuits. It can sense drops across shunts at common-mode voltages from –0.2V to +40V, independent of the supply voltage. The low input bias current of the INAx191 permits the use of larger current-sense resistors and thus provides accurate current measurements in the µA range. Five fixed gains are available: 25V/V, 50V/V, 100V/V, 200V/V, or 500V/V. The zero-drift architecture's low offset voltage extends the current measurement's dynamic range. This feature also allows for smaller sense resistors with lower power loss while providing accurate current measurements.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	Series	Number of Channels	GBP - Gain Bandwidth Product	Vcm - Common Mode Voltage	CMRR - Common Mode Rejection Ratio	Ib - Input Bias Current	Vos - Input Offset Voltage	Supply Voltage - Max	Supply Voltage - Min	Operating Supply Current	Gain Error	Minimum Operating Temperature	Maximum Operating Temperature	Mounting Style	Package / Case	SR - Slew Rate	Packaging
Current Sense Amplifiers 40-V dual-channel bi directional ultra INA2191A3IYBJR Texas Instruments 1: $5.55 842In Stock	Mfr. Part # INA2191A3IYBJR Mouser Part # 595-INA2191A3IYBJR	Texas Instruments	Current Sense Amplifiers 40-V dual-channel bi directional ultra Learn More about Texas Instruments ti ina191 amplifier	Datasheet	842In Stock	Cut Tape $5.55 $4.23 $3.90 $3.53 View Reel $3.11 $3.36 $3.25 $3.21 $3.11 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3,000	INA2191	2 Channel	35 kHz	- 200 mV to 40 V	132 dB	3 nA	- 2.5 uV	5.5 V	1.7 V	96 uA	- 0.04 %	- 40 C	+ 125 C	SMD/SMT	DSBGA-12	0.3 V/us	Reel, Cut Tape, MouseReel
Current Sense Amplifiers 40-V dual-channel bi directional ultra INA2191A1IYBJR Texas Instruments 1: $5.55 2,756In Stock	Mfr. Part # INA2191A1IYBJR Mouser Part # 595-INA2191A1IYBJR	Texas Instruments	Current Sense Amplifiers 40-V dual-channel bi directional ultra Learn More about Texas Instruments ti ina191 amplifier	Datasheet	2,756In Stock	Cut Tape $5.55 $4.23 $3.90 $3.53 View Reel $3.11 $3.36 $3.25 $3.21 $3.11 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3,000	INA2191	2 Channel	45 kHz	- 200 mV to 40 V	132 dB	3 nA	- 2.5 uV	5.5 V	1.7 V	96 uA	- 0.04 %	- 40 C	+ 125 C	SMD/SMT	DSBGA-12	0.3 V/us	Reel, Cut Tape, MouseReel
Current Sense Amplifiers 40-V dual-channel bi directional ultra INA2191A4IYBJR Texas Instruments 1: $5.55 2,114In Stock	Mfr. Part # INA2191A4IYBJR Mouser Part # 595-INA2191A4IYBJR	Texas Instruments	Current Sense Amplifiers 40-V dual-channel bi directional ultra Learn More about Texas Instruments ti ina191 amplifier	Datasheet	2,114In Stock	Cut Tape $5.55 $4.23 $3.90 $3.53 View Reel $3.11 $3.36 $3.25 $3.21 $3.11 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3,000	INA2191	2 Channel	33 kHz	- 200 mV to 40 V	132 dB	3 nA	- 2.5 uV	5.5 V	1.7 V	96 uA	- 0.04 %	- 40 C	+ 125 C	SMD/SMT	DSBGA-12	0.3 V/us	Reel, Cut Tape, MouseReel
Current Sense Amplifiers 40-V dual-channel bi directional ultra INA2191A5IYBJR Texas Instruments 1: $5.55 1,550In Stock	Mfr. Part # INA2191A5IYBJR Mouser Part # 595-INA2191A5IYBJR	Texas Instruments	Current Sense Amplifiers 40-V dual-channel bi directional ultra Learn More about Texas Instruments ti ina191 amplifier	Datasheet	1,550In Stock	Cut Tape $5.55 $4.23 $3.90 $3.53 View Reel $3.14 $3.36 $3.25 $3.21 $3.14 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3,000	INA2191	2 Channel	27 kHz	- 200 mV to 40 V	132 dB	3 nA	- 2.5 uV	5.5 V	1.7 V	96 uA	- 0.04 %	- 40 C	+ 125 C	SMD/SMT	DSBGA-12	0.3 V/us	Reel, Cut Tape, MouseReel
Current Sense Amplifiers 40V ultra-precise c urrent sense amplifi INA191A1IYFDR Texas Instruments 1: $2.76 A tariff of 38% may be applied if shipping to the United States. 2,442In Stock	Mfr. Part # INA191A1IYFDR Mouser Part # 595-INA191A1IYFDR	Texas Instruments	Current Sense Amplifiers 40V ultra-precise c urrent sense amplifi Learn More about Texas Instruments ti ina191 amplifier	Datasheet	2,442In Stock	Cut Tape $2.76 $2.05 $1.88 $1.68 Reel $1.43 View $1.59 $1.56 $1.48 $1.41 MouseReel Available A tariff of 38% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 3,000	INA191	1 Channel	45 kHz	- 200 mV to 40 V	150 dB	3 nA	- 2.5 uV	5.5 V	1.7 V	65 uA	- 0.17 %	- 40 C	+ 125 C	SMD/SMT	DSBGA-6	0.3 V/us	Reel, Cut Tape, MouseReel
Current Sense Amplifiers 40V ultra-precise c urrent sense amplifi INA191A3IYFDR Texas Instruments 1: $2.76 6,093In Stock	Mfr. Part # INA191A3IYFDR Mouser Part # 595-INA191A3IYFDR	Texas Instruments	Current Sense Amplifiers 40V ultra-precise c urrent sense amplifi Learn More about Texas Instruments ti ina191 amplifier	Datasheet	6,093In Stock	Cut Tape $2.76 $2.06 $1.89 $1.69 Reel $1.43 View $1.60 $1.57 $1.52 $1.41 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	INA191	1 Channel	35 kHz	- 200 mV to 40 V	150 dB	3 nA	- 2.5 uV	5.5 V	1.7 V	65 uA	- 0.04 %	- 40 C	+ 125 C	SMD/SMT	DSBGA-6	0.3 V/us	Reel, Cut Tape, MouseReel
Current Sense Amplifiers 40V ultra-precise c urrent sense amplifi INA191A4IYFDR Texas Instruments 1: $2.76 2,871In Stock	Mfr. Part # INA191A4IYFDR Mouser Part # 595-INA191A4IYFDR	Texas Instruments	Current Sense Amplifiers 40V ultra-precise c urrent sense amplifi Learn More about Texas Instruments ti ina191 amplifier	Datasheet	2,871In Stock	Cut Tape $2.76 $2.05 $1.88 $1.68 Reel $1.43 View $1.59 $1.56 $1.48 $1.41 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	INA191	1 Channel	33 kHz	- 200 mV to 40 V	150 dB	3 nA	- 2.5 uV	5.5 V	1.7 V	65 uA	- 0.04 %	- 40 C	+ 125 C	SMD/SMT	DSBGA-6	0.3 V/us	Reel, Cut Tape, MouseReel
Current Sense Amplifiers 40V ultra-precise c urrent sense amplifi INA191A5IYFDR Texas Instruments 1: $2.77 2,073In Stock	Mfr. Part # INA191A5IYFDR Mouser Part # 595-INA191A5IYFDR	Texas Instruments	Current Sense Amplifiers 40V ultra-precise c urrent sense amplifi Learn More about Texas Instruments ti ina191 amplifier	Datasheet	2,073In Stock	Cut Tape $2.77 $2.06 $1.89 $1.69 Reel $1.49 View $1.60 $1.57 $1.50 $1.48 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	INA191	1 Channel	27 kHz	- 200 mV to 40 V	150 dB	3 nA	- 2.5 uV	5.5 V	1.7 V	65 uA	- 0.04 %	- 40 C	+ 125 C	SMD/SMT	DSBGA-6	0.3 V/us	Reel, Cut Tape, MouseReel
Current Sense Amplifiers 40V ultra-precise c urrent sense amplifi INA191A2IYFDR Texas Instruments 1: $2.76 7,559In Stock	Mfr. Part # INA191A2IYFDR Mouser Part # 595-INA191A2IYFDR	Texas Instruments	Current Sense Amplifiers 40V ultra-precise c urrent sense amplifi Learn More about Texas Instruments ti ina191 amplifier	Datasheet	7,559In Stock	Cut Tape $2.76 $2.06 $1.89 $1.69 Reel $1.43 View $1.60 $1.57 $1.52 $1.41 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	INA191	1 Channel	37 kHz	- 200 mV to 40 V	150 dB	3 nA	- 2.5 uV	5.5 V	1.7 V	65 uA	- 0.04 %	- 40 C	+ 125 C	SMD/SMT	DSBGA-6	0.3 V/us	Reel, Cut Tape, MouseReel
Current Sense Amplifiers 40-V dual-channel bi directional ultra INA2191A2IYBJR Texas Instruments 1: $5.55 2,798Expected 1/8/2027	Mfr. Part # INA2191A2IYBJR Mouser Part # 595-INA2191A2IYBJR	Texas Instruments	Current Sense Amplifiers 40-V dual-channel bi directional ultra Learn More about Texas Instruments ti ina191 amplifier	Datasheet	2,798Expected 1/8/2027	Cut Tape $5.55 $4.23 $3.90 $3.54 $3.21 Reel $3.11 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	INA2191	2 Channel	37 kHz	- 200 mV to 40 V	132 dB	3 nA	- 2.5 uV	5.5 V	1.7 V	96 uA	- 0.04 %	- 40 C	+ 125 C	SMD/SMT	DSBGA-12	0.3 V/us	Reel, Cut Tape, MouseReel

INAx191 Current Sense Amplifier

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