INAx180/INAx181 Current Sense Amplifiers

Texas Instruments INAx180/INAx181 Current Sense Amplifiers are sense voltage drops across current-sense resistors at common-mode voltages from –0.2V to +26V, independent of the supply voltage. These amplifiers integrate a matched resistor gain network in four fixed-gain device options: 20V/V, 50V/V, 100V/V, or 200V/V. This matched gain resistor network minimizes gain error and reduces the temperature drift. Each device operates from a single 2.7V to 5.5V power supply, drawing a maximum of 260µA of supply current. The INAx181 devices have a bidirectional current-sensing capability. All device options are specified over the extended operating temperature range of –40°C to +125°C. The INAx180-Q1/INAx181-Q1 devices are AEC-Q100 qualified for automotive applications. These devices are used in motor controls and lighting controls.

Results: 48
Select Image Part # Mfr. Description Datasheet Availability Pricing (CAD) 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 SR - Slew Rate Packaging
Texas Instruments Current Sense Amplifiers AEC-Q100 26V quad ch annel 350kHz curr 30,179In Stock
Cut Tape
$2.07
$1.53
$1.37
$1.22
Reel
$1.03
Min.: 1
Mult.: 1
: 2,000
INA4180 4 Channel 350 kHz 12 V 100 dB 80 uA 100 uV 5.5 V 2.7 V 900 uA 0.1 % - 40 C + 125 C SMD/SMT TSSOP-14 AEC-Q100 2 V/us Reel, Cut Tape, MouseReel

Texas Instruments Current Sense Amplifiers 26V dual channel 3 5 0kHz current sense A 595-INA2180A1IDGKT 4,759In Stock
Cut Tape
$1.15
$0.818
$0.736
$0.645
Reel
$0.543
Min.: 1
Mult.: 1
: 2,500
INA2180 2 Channel 350 kHz 12 V 100 dB 80 uA 100 uV 5.5 V 2.7 V 500 uA 0.1 % - 40 C + 125 C SMD/SMT VSSOP-8 2 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers 26V dual channel b i -directional 350kH A 595-INA2181A1IDGST 3,479In Stock
Cut Tape
$1.15
$0.818
$0.736
$0.645
Reel
$0.507
Min.: 1
Mult.: 1
: 2,500
INA2181 2 Channel 350 kHz 12 V 100 dB 75 uA 100 uV 5.5 V 2.7 V 500 uA 0.1 % - 40 C + 125 C SMD/SMT MSOP-10 2 V/us Reel, Cut Tape, MouseReel

Texas Instruments Current Sense Amplifiers AEC-Q100 26V dual ch annel 350kHz curr 28,336In Stock
Cut Tape
$1.47
$1.06
$0.956
$0.842
Reel
$0.639
Min.: 1
Mult.: 1
: 2,500
INA2180 2 Channel 210 kHz 12 V 100 dB 80 uA 100 uV 5.5 V 2.7 V 500 uA 0.1 % - 40 C + 125 C SMD/SMT VSSOP-8 AEC-Q100 2 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers AEC-Q100 26V 350kH z current sense ampl 4,059In Stock
Cut Tape
$1.02
$0.726
$0.652
$0.57
Reel
$0.428
Min.: 1
Mult.: 1
: 3,000
INA180 1 Channel 150 kHz - 200 mV to 26 V 100 dB 80 uA 100 uV 5.5 V 2.7 V 260 uA 0.1 % - 40 C + 125 C SMD/SMT SOT-23-5 AEC-Q100 2 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers AEC-Q100 26V quad ch annel bi-directio 2,057In Stock
Cut Tape
$2.48
$1.81
$1.64
$1.47
Reel
$1.24
Min.: 1
Mult.: 1
: 2,000
INA4181 4 Channel 150 kHz 12 V 84 dB 75 uA 100 uV 5.5 V 2.7 V 900 uA 0.1 % - 40 C + 125 C SMD/SMT TSSOP-20 AEC-Q100 2 V/us Reel, Cut Tape, MouseReel

Texas Instruments Current Sense Amplifiers 26V dual channel 3 5 0kHz current sense A 595-INA2180A4IDGKT 2,177In Stock
Cut Tape
$1.15
$0.818
$0.736
$0.645
Reel
$0.504
Min.: 1
Mult.: 1
: 2,500
INA2180 2 Channel 105 kHz 12 V 100 dB 80 uA 100 uV 5.5 V 2.7 V 500 uA 0.1 % - 40 C + 125 C SMD/SMT VSSOP-8 2 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers 26V quad channel b i -directional 350kH 1,384In Stock
Cut Tape
$1.79
$1.29
$1.17
$1.03
Reel
$0.806
Min.: 1
Mult.: 1
: 2,000
INA4181 4 Channel 105 kHz 12 V 84 dB 75 uA 100 uV 5.5 V 2.7 V 900 uA 0.1 % - 40 C + 125 C SMD/SMT TSSOP-20 2 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers AEC-Q100 26V dual ch annel bi-directio 2,085In Stock
Cut Tape
$1.41
$1.19
$1.14
$1.10
Reel
$0.703
$0.694
Min.: 1
Mult.: 1
: 2,500
INA2181 2 Channel 210 kHz 12 V 100 dB 75 uA 100 uV 5.5 V 2.7 V 500 uA 0.1 % - 40 C + 125 C SMD/SMT MSOP-10 AEC-Q100 2 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers 26V dual channel b i -directional 350kH A 595-INA2181A4IDSQT 2,851In Stock
Cut Tape
$1.35
$0.956
$0.858
$0.749
Reel
$0.544
Min.: 1
Mult.: 1
: 3,000
INA2181 2 Channel 105 kHz 12 V 100 dB 75 uA 100 uV 5.5 V 2.7 V 500 uA 0.1 % - 40 C + 125 C SMD/SMT WSON-10 2 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers AEC-Q100 26V dual ch annel bi-directio 1,982In Stock
Cut Tape
$1.48
$1.06
$0.958
$0.844
Reel
$0.687
Min.: 1
Mult.: 1
: 2,500
INA2181 2 Channel 105 kHz 12 V 100 dB 75 uA 100 uV 5.5 V 2.7 V 500 uA 0.1 % - 40 C + 125 C SMD/SMT MSOP-10 AEC-Q100 2 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers AEC-Q100 26V quad ch annel 350kHz curr 1,123In Stock
Cut Tape
$2.07
$1.53
$1.37
$1.22
Reel
$1.01
Min.: 1
Mult.: 1
: 2,000
INA4180 4 Channel 210 kHz 12 V 100 dB 80 uA 100 uV 5.5 V 2.7 V 900 uA 0.1 % - 40 C + 125 C SMD/SMT TSSOP-14 AEC-Q100 2 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers 26-V bi-directional 350-kHz current-sens 519In Stock
18,000Expected 2027-01-28
Cut Tape
$0.95
$0.66
$0.59
$0.513
Reel
$0.40
Min.: 1
Mult.: 1
: 3,000
INA181 1 Channel 350 kHz 12 V 84 dB 75 uA 100 uV 5.5 V 2.7 V 195 uA 0.1 % - 40 C + 125 C SMD/SMT SC-70-6 2 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers 26-V bi-directional 350-kHz current-sens 5,126In Stock
$0.95
$0.66
$0.59
$0.513
Min.: 1
Mult.: 1
INA181 1 Channel 150 kHz 12 V 84 dB 75 uA 100 uV 5.5 V 2.7 V 195 uA 0.1 % - 40 C + 125 C SMD/SMT SC-70-6 2 V/us
Texas Instruments Current Sense Amplifiers AEC-Q100 26V dual ch annel bi-directio 9,643In Stock
Cut Tape
$1.47
$1.05
$0.946
$0.834
Reel
$0.716
Min.: 1
Mult.: 1
: 2,500
INA2181 2 Channel 350 kHz 12 V 100 dB 75 uA 100 uV 5.5 V 2.7 V 500 uA 0.1 % - 40 C + 125 C SMD/SMT MSOP-10 AEC-Q100 2 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers 26V quad channel 3 5 0kHz current sense 6,364In Stock
Cut Tape
$1.48
$1.07
$0.965
$0.85
Reel
$0.707
Min.: 1
Mult.: 1
: 2,000
INA4180 4 Channel 350 kHz 12 V 100 dB 80 uA 100 uV 5.5 V 2.7 V 900 uA 0.1 % - 40 C + 125 C SMD/SMT TSSOP-14 2 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers AEC-Q100 26V quad ch annel bi-directio 2,015In Stock
Cut Tape
$2.30
$1.81
$1.66
$1.47
Reel
$1.27
Min.: 1
Mult.: 1
: 2,000
INA4181 4 Channel 210 kHz 12 V 84 dB 75 uA 100 uV 5.5 V 2.7 V 900 uA 0.1 % - 40 C + 125 C SMD/SMT TSSOP-20 AEC-Q100 2 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers AEC-Q100 26V 350kH z current sense ampl 1,964In Stock
Cut Tape
$1.02
$0.726
$0.652
$0.57
Reel
$0.464
Min.: 1
Mult.: 1
: 3,000
INA180 1 Channel 210 kHz - 200 mV to 26 V 100 dB 80 uA 100 uV 5.5 V 2.7 V 260 uA 0.1 % - 40 C + 125 C SMD/SMT SOT-23-5 AEC-Q100 2 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers AEC-Q100 26V 350kH z current sense ampl 1,545In Stock
3,000Expected 2026-11-23
Cut Tape
$1.04
$0.73
$0.655
$0.572
Reel
$0.468
Min.: 1
Mult.: 1
: 3,000
INA180 1 Channel 105 kHz - 200 mV to 26 V 100 dB 80 uA 100 uV 5.5 V 2.7 V 260 uA 0.1 % - 40 C + 125 C SMD/SMT SOT-23-5 AEC-Q100 2 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers 26V dual channel 3 5 0kHz current sense A 595-INA2180A1IDSGT 2,501In Stock
Cut Tape
$1.18
$0.834
$0.747
$0.652
Reel
$0.534
Min.: 1
Mult.: 1
: 3,000
INA2180 2 Channel 350 kHz 12 V 100 dB 80 uA 100 uV 5.5 V 2.7 V 500 uA 0.1 % - 40 C + 125 C SMD/SMT WSON-8 2 V/us Reel, Cut Tape, MouseReel

Texas Instruments Current Sense Amplifiers 26V dual channel 3 5 0kHz current sense A 595-INA2180A2IDGKT 2,434In Stock
5,000Expected 2026-12-03
Cut Tape
$1.15
$0.818
$0.736
$0.645
Reel
$0.531
Min.: 1
Mult.: 1
: 2,500
INA2180 2 Channel 210 kHz 12 V 100 dB 80 uA 100 uV 5.5 V 2.7 V 500 uA 0.1 % - 40 C + 125 C SMD/SMT VSSOP-8 2 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers 26V dual channel 3 5 0kHz current sense A 595-INA2180A2IDSGT 2,136In Stock
Cut Tape
$1.11
$0.789
$0.708
$0.622
Reel
$0.50
Min.: 1
Mult.: 1
: 3,000
INA2180 2 Channel 210 kHz 12 V 100 dB 80 uA 100 uV 5.5 V 2.7 V 500 uA 0.1 % - 40 C + 125 C SMD/SMT WSON-8 2 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers 26V dual channel 3 5 0kHz current sense A 595-INA2180A3IDSGT 131In Stock
9,000Expected 2027-03-01
Cut Tape
$1.11
$0.789
$0.708
$0.622
Reel
$0.495
Min.: 1
Mult.: 1
: 3,000
INA2180 2 Channel 150 kHz 12 V 100 dB 80 uA 100 uV 5.5 V 2.7 V 500 uA 0.1 % - 40 C + 125 C SMD/SMT WSON-8 2 V/us Reel, Cut Tape, MouseReel

Texas Instruments Current Sense Amplifiers AEC-Q100 26V dual ch annel 350kHz curr 65In Stock
2,500Expected 2027-06-14
Cut Tape
$1.47
$1.06
$0.956
$0.842
Reel
$0.70
Min.: 1
Mult.: 1
: 2,500
INA2180 2 Channel 150 kHz 12 V 100 dB 80 uA 100 uV 5.5 V 2.7 V 500 uA 0.1 % - 40 C + 125 C SMD/SMT VSSOP-8 AEC-Q100 2 V/us Reel, Cut Tape, MouseReel

Texas Instruments Current Sense Amplifiers AEC-Q100 26V dual ch annel 350kHz curr 2,294In Stock
Cut Tape
$1.18
$1.03
$0.963
$0.847
Reel
$0.701
Min.: 1
Mult.: 1
: 2,500
INA2180 2 Channel 105 kHz 12 V 100 dB 80 uA 100 uV 5.5 V 2.7 V 500 uA 0.1 % - 40 C + 125 C SMD/SMT VSSOP-8 AEC-Q100 2 V/us Reel, Cut Tape, MouseReel