INAx180/INAx181 Current Sense Amplifiers

Texas Instruments INAx180/INAx181 Current Sense Amplifiers are cost-optimised, current-sense amplifiers (also called current-shunt monitors) that sense voltage drops across current-sense resistors at common-mode voltages from –0.2V to +26V, independent of the supply voltage. The INAx180/INAx181 integrates 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 minimises 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 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.

Results: 48
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) 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 30,441In Stock
Cut Tape
$1.44
$1.06
$0.952
$0.846
Reel
$0.713
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 AEC-Q100 26V quad ch annel bi-directio 2,057In Stock
Cut Tape
$1.55
$1.28
$1.16
$1.03
Reel
$0.832
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 AEC-Q100 26V dual ch annel 350kHz curr 10,765In Stock
Cut Tape
$0.93
$0.659
$0.594
$0.523
Reel
$0.445
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 AEC-Q100 2 V/us Reel, Cut Tape, MouseReel

Texas Instruments Current Sense Amplifiers AEC-Q100 26V dual ch annel 350kHz curr 28,356In Stock
Cut Tape
$0.811
$0.518
$0.47
$0.444
Reel
$0.433
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 4,137In Stock
Cut Tape
$0.63
$0.445
$0.40
$0.349
Reel
$0.259
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 dual ch annel bi-directio 1,983In Stock
Cut Tape
$1.03
$0.737
$0.666
$0.587
Reel
$0.477
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 350kH z current sense ampl 5,068In Stock
Cut Tape
$0.63
$0.445
$0.40
$0.349
Reel
$0.267
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 AEC-Q100 26V dual ch annel 350kHz curr 2,186In Stock
Cut Tape
$1.02
$0.735
$0.664
$0.585
Reel
$0.471
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 26V dual channel 3 5 0kHz current sense A 595-INA2180A4IDGKT 2,177In Stock
Cut Tape
$0.80
$0.568
$0.511
$0.448
Reel
$0.35
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 1,491In Stock
Cut Tape
$1.24
$0.896
$0.811
$0.716
Reel
$0.561
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 quad ch annel 350kHz curr 1,123In Stock
Cut Tape
$1.44
$1.06
$0.952
$0.846
Reel
$0.70
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 26V quad channel 3 5 0kHz current sense 6,935In Stock
Cut Tape
$1.03
$0.741
$0.67
$0.59
Reel
$0.491
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 2,165In Stock
Cut Tape
$1.72
$1.26
$1.15
$1.02
Reel
$0.885
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 26-V bi-directional 350-kHz current-sens 2,331In Stock
3,000Expected 2027/08/19
Cut Tape
$0.48
$0.333
$0.297
$0.256
Reel
$0.207
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 2,270In Stock
6,000Expected 2026/12/25
$0.52
$0.361
$0.321
$0.276
Min.: 1
Mult.: 1
INA181 1 Channel 210 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 26-V bi-directional 350-kHz current-sens 4,901In Stock
$0.52
$0.361
$0.321
$0.276
Min.: 1
Mult.: 1
Max.: 1,001
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 26V dual channel 3 5 0kHz current sense A 595-INA2180A1IDGKT 4,615In Stock
Cut Tape
$0.80
$0.568
$0.511
$0.448
Reel
$0.377
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 3 5 0kHz current sense A 595-INA2180A2IDGKT 4,436In Stock
Cut Tape
$0.80
$0.568
$0.511
$0.448
Reel
$0.369
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 AEC-Q100 26V dual ch annel bi-directio 12,168In Stock
Cut Tape
$1.02
$0.729
$0.657
$0.579
Reel
$0.497
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 3,096In Stock
Cut Tape
$1.16
$0.842
$0.761
$0.672
Reel
$0.564
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 2 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers 26V quad channel b i -directional 350kH 2,936In Stock
Cut Tape
$1.24
$0.896
$0.811
$0.718
Reel
$0.599
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 2 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers 26V dual channel 3 5 0kHz current sense A 595-INA2180A1IDSGT 2,808In Stock
Cut Tape
$0.811
$0.568
$0.511
$0.447
Reel
$0.347
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-INA2180A4IDSGT 3,101In Stock
Cut Tape
$0.77
$0.548
$0.492
$0.433
Reel
$0.347
Min.: 1
Mult.: 1
: 3,000
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 WSON-8 2 V/us Reel, Cut Tape, MouseReel

Texas Instruments Current Sense Amplifiers AEC-Q100 26V dual ch annel 350kHz curr 2,288In Stock
Cut Tape
$0.82
$0.712
$0.669
$0.588
Reel
$0.487
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
Texas Instruments Current Sense Amplifiers 26V dual channel b i -directional 350kH A 595-INA2181A1IDGST 3,399In Stock
Cut Tape
$0.80
$0.568
$0.511
$0.448
Reel
$0.368
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