INAx290/INAx290-Q1 Current Sense Amplifiers

Texas Instruments INAx290/INAx290-Q1 Ultra-Precise Current Sense Amplifiers can measure voltage drops across shunt resistors over a wide common-mode range from 2.7V to 120V. It comes in a highly space-efficient SC-70 package with a PCB footprint of only 2.0mm x 2.1mm. The ultra-precise current measurement accuracy is achieved thanks to the combination of an ultra-low offset voltage of ±12µV (maximum), a small gain error of ±0.1% (maximum) and a high DC CMRR of 160dB (typical). The INAx290 /INAx290-Q1 is designed for not only DC current measurement but also high-speed applications (like fast overcurrent protection, for example) with a high bandwidth of 1MHz (at a gain of 20V/V) and an 85dB AC CMRR (at 50kHz).

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Description Datasheet Availability Pricing (IDR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model 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
Qualification
Packaging
Texas Instruments Current Sense Amplifiers AEC-Q100 2.7-V to 1 20-V 1.1-MHz ultra
Datasheet
6.771In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

INA290 1 Channel 800 kHz 48 V 160 dB 20 uA 2 uV 20 V 2.7 V 370 uA 0.02 % - 40 C + 125 C SMD/SMT SC-70-5 AEC-Q100 Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers AEC-Q100 2.7-V to 1 20-V 1.1-MHz ultra
Datasheet
1.421In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

INA290 1 Channel 850 kHz 48 V 160 dB 20 uA 3 uV 20 V 2.7 V 370 uA 0.02 % - 40 C + 125 C SMD/SMT SC-70-5 AEC-Q100 Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers 2.7 to 120V 1.1MHz u ltra-precise curre A A 595-INA290A2IDCKT
Datasheet
5.200In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

INA290 Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers 2.7 to 120V 1.1MHz u ltra-precise curre A A 595-INA290A2IDCKR
Datasheet
948In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 250

INA290 1 Channel 1100 kHz 48 V 160 dB 20 uA 3 uV 20 V 2.7 V 370 uA 0.02 % - 40 C + 125 C SMD/SMT SC-70-5 Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers 2.7 to 120V 1.1MHz u ltra-precise curre A A 595-INA290A3IDCKT
Datasheet
2.668In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

INA290 1 Channel 900 kHz 48 V 160 dB 20 uA 3 uV 20 V 2.7 V 370 uA 0.02 % - 40 C + 125 C SMD/SMT Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers AEC-Q100 2.7-V to 1 20-V 1.1-MHz ultra
Datasheet
2.038In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

INA290 1 Channel 900 kHz 48 V 160 dB 20 uA 3 uV 20 V 2.7 V 370 uA 0.02 % - 40 C + 125 C SMD/SMT SC-70-5 AEC-Q100 Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers 2.7 to 120V 1.1MHz u ltra-precise curre A A 595-INA290A4IDCKT
Datasheet
3.323In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

INA290 Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers 2.7 to 120V 1.1MHz u ltra-precise curre A A 595-INA290A5IDCKT
Datasheet
2.733In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

INA290 Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers Quad-channel 120-V h igh-voltage high- IN INA4290A1IRGVT
Datasheet
2.500In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.500

INA4290 4 Channel 1.1 MHz 2.7 V to 120 V 140 dB 20 uA 6 uV 20 V 2.7 V 1.25 mA 0.02 % - 40 C + 125 C SMD/SMT VQFN-16 Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers Quad-channel 120-V h igh-voltage high- IN INA4290A5IRGVT
Datasheet
2.385In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.500

INA4290 4 Channel 800 kHz 2.7 V to 120 V 140 dB 20 uA 2 uV 20 V 2.7 V 1.25 mA 0.02 % - 40 C + 125 C SMD/SMT VQFN-16 Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers AEC-Q100 2.7-V to 1 20-V 1.1-MHz ultra
Datasheet
4.356In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

INA290 1 Channel 1100 kHz 48 V 160 dB 20 uA 5 uV 20 V 2.7 V 370 uA 0.02 % - 40 C + 125 C SMD/SMT SC-70-5 AEC-Q100 Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers AEC-Q100 2.7-V to 1 20-V 1.1-MHz ultra
Datasheet
2.977In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

INA290 1 Channel 1100 kHz 48 V 160 dB 20 uA 3 uV 20 V 2.7 V 370 uA 0.02 % - 40 C + 125 C SMD/SMT SC-70-5 AEC-Q100 Reel, Cut Tape, MouseReel

Texas Instruments Current Sense Amplifiers 2.7 to 120V 1.1MHz u ltra-precise curre A A 595-INA290A1IDCKT
Datasheet
821In Stock
6.000Expected 16/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

INA290 Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers 2.7 to 120V 1.1MHz u ltra-precise curre A A 595-INA290A3IDCKR
Datasheet
300In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 250

INA290 1 Channel 900 kHz 48 V 160 dB 20 uA 3 uV 20 V 2.7 V 370 uA 0.02 % - 40 C + 125 C SMD/SMT SC-70-5 Reel, Cut Tape, MouseReel

Texas Instruments Current Sense Amplifiers Dual-channel 2.7-V t o 120-V 1.1-MHz u A A 595-INA2290A1IDGKT
Datasheet
Non-Stocked Lead-Time 12 Weeks
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.500

INA2290 2 Channel 48 V 140 dB 20 uA 6 uV 120 V 2.7 V 0.02 % - 40 C + 125 C SMD/SMT VSSOP-8 Reel, Cut Tape, MouseReel

Texas Instruments Current Sense Amplifiers Dual-channel 2.7-V t o 120-V 1.1-MHz u A A 595-INA2290A2IDGKT
Datasheet
Non-Stocked Lead-Time 6 Weeks
Min.: 2.500
Mult.: 2.500
Reel: 2.500

INA2290 2 Channel 48 V 140 dB 20 uA 3 uV 120 V 2.7 V 0.02 % - 40 C + 125 C SMD/SMT VSSOP-8 Reel

Texas Instruments Current Sense Amplifiers Dual-channel 2.7-V t o 120-V 1.1-MHz u A A 595-INA2290A3IDGKT
Datasheet
Non-Stocked Lead-Time 6 Weeks
Min.: 2.500
Mult.: 2.500
Reel: 2.500

INA2290 2 Channel 48 V 140 dB 20 uA 3 uV 120 V 2.7 V 0.02 % - 40 C + 125 C SMD/SMT VSSOP-8 Reel

Texas Instruments Current Sense Amplifiers Dual-channel 2.7-V t o 120-V 1.1-MHz u A A 595-INA2290A4IDGKT
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 2.500
Mult.: 2.500
Reel: 2.500

INA2290 2 Channel 48 V 140 dB 20 uA 2 uV 120 V 2.7 V 0.02 % - 40 C + 125 C SMD/SMT VSSOP-8 Reel

Texas Instruments Current Sense Amplifiers Dual-channel 2.7-V t o 120-V 1.1-MHz u A A 595-INA2290A5IDGKT
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 2.500
Mult.: 2.500
Reel: 2.500

INA2290 2 Channel 48 V 140 dB 20 uA 2 uV 120 V 2.7 V 0.02 % - 40 C + 125 C SMD/SMT VSSOP-8 Reel
Texas Instruments Current Sense Amplifiers Quad-channel 120-V h igh-voltage high- IN INA4290A2IRGVT
Datasheet
Non-Stocked Lead-Time 6 Weeks
Min.: 2.500
Mult.: 2.500
Reel: 2.500

INA4290 4 Channel 1.1 MHz 2.7 V to 120 V 140 dB 20 uA 3 uV 20 V 2.7 V 1.25 mA 0.02 % - 40 C + 125 C SMD/SMT VQFN-16 Reel
Texas Instruments Current Sense Amplifiers Quad-channel 120-V h igh-voltage high- IN INA4290A3IRGVT
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 2.500
Mult.: 2.500
Reel: 2.500

INA4290 4 Channel 850 kHz 2.7 V to 120 V 140 dB 20 uA 2 uV 20 V 2.7 V 1.25 mA 0.02 % - 40 C + 125 C SMD/SMT VQFN-16 Reel
Texas Instruments Current Sense Amplifiers Quad-channel 120-V h igh-voltage high- IN INA4290A4IRGVT
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 2.500
Mult.: 2.500
Reel: 2.500

INA4290 4 Channel 850 kHz 2.7 V to 120 V 140 dB 20 uA 2 uV 20 V 2.7 V 1.25 mA 0.02 % - 40 C + 125 C SMD/SMT VQFN-16 Reel
Texas Instruments Current Sense Amplifiers Quad-channel 120-V h igh-voltage high- IN INA4290A5IRGVR
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 250
Mult.: 250
Reel: 250

INA4290 4 Channel 800 kHz 140 dB 20 uA 2 uV 120 V 2.7 V 0.02 % - 40 C + 125 C SMD/SMT VQFN-16 Reel