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 (GBP) 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
£0.601
£0.426
£0.383
£0.336
Reel
£0.277
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
£0.615
£0.435
£0.389
£0.34
Reel
£0.278
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
£0.796
£0.565
£0.51
£0.449
£0.335
Reel
£0.334
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
£0.803
£0.575
£0.518
£0.457
Reel
£0.368
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
£1.08
£0.796
£0.716
£0.635
Reel
£0.492
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
£0.773
£0.556
£0.502
£0.443
Reel
£0.368
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
£1.29
£0.943
£0.863
£0.766
Reel
£0.636
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
£0.533
£0.378
£0.34
£0.298
Reel
£0.242
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
£0.601
£0.426
£0.383
£0.336
Reel
£0.277
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
£0.578
£0.411
£0.369
£0.325
Reel
£0.26
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
£0.608
£0.426
£0.383
£0.335
Reel
£0.265
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
£0.736
£0.621
£0.595
£0.576
Reel
£0.367
£0.362
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
£1.03
£0.882
£0.871
£0.635
Reel
£0.535
£0.532
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
£0.934
£0.672
£0.608
£0.539
Reel
£0.443
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
£0.375
£0.26
£0.233
£0.203
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
£0.623
£0.443
£0.398
£0.348
Reel
£0.272
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 18/02/2027
Cut Tape
£0.601
£0.426
£0.383
£0.336
Reel
£0.272
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 11/03/2027
Cut Tape
£0.473
£0.334
£0.30
£0.262
Reel
£0.215
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 13/05/2027
Cut Tape
£0.705
£0.491
£0.44
£0.388
Reel
£0.325
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
£0.428
£0.299
£0.267
£0.232
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
£0.623
£0.443
£0.398
£0.348
Reel
£0.277
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
£0.934
£0.672
£0.608
£0.539
Reel
£0.45
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
£0.658
£0.651
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