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 (SGD) 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 26V dual channel b i -directional 350kH A 595-INA2181A3IDGST 1,925In Stock
Cut Tape
$1.09
$0.772
$0.695
$0.609
Reel
$0.502
Min.: 1
Mult.: 1
: 2,500
INA2181 2 Channel 150 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 26V dual channel b i -directional 350kH A 595-INA2181A3IDSQT 2,893In Stock
Cut Tape
$1.12
$0.787
$0.706
$0.616
Reel
$0.505
Min.: 1
Mult.: 1
: 3,000
INA2181 2 Channel 150 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 111In Stock
Cut Tape
$1.44
$1.02
$0.923
$0.813
$0.607
Reel
$0.605
Min.: 1
Mult.: 1
: 2,500
INA2181 2 Channel 150 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 29In Stock
2,000Expected 18/11/2026
Cut Tape
$1.46
$1.04
$0.938
$0.827
Reel
$0.668
Min.: 1
Mult.: 1
: 2,000
INA4180 4 Channel 150 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 350kHz curr 730In Stock
Cut Tape
$1.96
$1.44
$1.30
$1.15
Reel
$0.892
Min.: 1
Mult.: 1
: 2,000
INA4180 4 Channel 150 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 1,764In Stock
Cut Tape
$1.40
$1.01
$0.91
$0.801
Reel
$0.668
Min.: 1
Mult.: 1
: 2,000
INA4180 4 Channel 105 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 632In Stock
Cut Tape
$2.34
$1.71
$1.56
$1.39
Reel
$1.15
Min.: 1
Mult.: 1
: 2,000
INA4181 4 Channel 350 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 2,282In Stock
Cut Tape
$0.966
$0.685
$0.616
$0.539
Reel
$0.438
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 26V dual channel 3 5 0kHz current sense A 595-INA2180A2IDGKT 2,429In Stock
5,000Expected 19/11/2026
Cut Tape
$1.09
$0.772
$0.695
$0.609
Reel
$0.502
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 2,138In Stock
Cut Tape
$1.05
$0.745
$0.669
$0.588
Reel
$0.472
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
9,000On Order
Cut Tape
$1.10
$0.771
$0.694
$0.607
Reel
$0.479
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 bi-directio 2,085In Stock
Cut Tape
$1.33
$1.12
$1.08
$1.04
Reel
$0.664
$0.656
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 AEC-Q100 26V quad ch annel 350kHz curr 498In Stock
Cut Tape
$1.86
$1.59
$1.58
$1.15
Reel
$0.97
$0.963
Min.: 1
Mult.: 1
: 2,000
INA4180 4 Channel 105 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 b i -directional 350kH 641In Stock
Cut Tape
$1.69
$1.22
$1.10
$0.975
Reel
$0.801
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 2 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers 26-V bi-directional 350-kHz current-sens
24,000On Order
$0.68
$0.472
$0.423
$0.367
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 26V dual channel 3 5 0kHz current sense A 595-INA2180A3IDGKT
17,489On Order
Cut Tape
$1.13
$0.802
$0.721
$0.631
Reel
$0.492
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 2 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers 26V dual channel b i -directional 350kH A 595-INA2181A1IDSQT
18,000Expected 18/2/2027
Cut Tape
$1.09
$0.772
$0.695
$0.609
Reel
$0.494
Min.: 1
Mult.: 1
: 3,000
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 WSON-10 2 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers AEC-Q100 26V 350kH z current sense ampl
3,000Expected 11/3/2027
Cut Tape
$0.857
$0.605
$0.544
$0.475
Reel
$0.384
Min.: 1
Mult.: 1
: 3,000
INA180 1 Channel 350 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
2,452Expected 13/5/2027
Cut Tape
$1.28
$0.891
$0.797
$0.702
Reel
$0.581
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 26-V bi-directional 350-kHz current-sens Lead-Time 12 Weeks
$0.775
$0.541
$0.484
$0.42
Min.: 1
Mult.: 1
INA181 1 Channel 105 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 b i -directional 350kH A 595-INA2181A4IDGST Non-Stocked Lead-Time 12 Weeks
Cut Tape
$1.13
$0.802
$0.721
$0.631
Reel
$0.502
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 2 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers 26V quad channel b i -directional 350kH Lead-Time 12 Weeks
Cut Tape
$1.69
$1.22
$1.10
$0.975
Reel
$0.815
Min.: 1
Mult.: 1
: 2,000
INA4181 4 Channel 350 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 bi-directio Non-Stocked Lead-Time 12 Weeks
Reel
$1.19
$1.18
Min.: 2,000
Mult.: 2,000
: 2,000
INA4181 4 Channel 105 kHz 12 V 84 dB 75 uA 100 uV 5.5 V 2.7 V 0.1 % - 40 C + 125 C SMD/SMT TSSOP-20 AEC-Q100 2 V/us Reel