INA281/INA281-Q1 Current Sense Amplifier

Texas Instruments INA281/INA281-Q1 Current Sense Amplifier can measure voltage drops across shunt resistors over a wide common-mode range from –4V to 110V. The negative common-mode voltage allows the device to operate below ground, thus accommodating precise measurement of recirculating currents in half-bridge applications. Combining a low offset voltage, small gain error, and high DC CMRR enables highly accurate current measurement. The Texas Instruments INA281/INA281-Q1 is not only designed for DC current measurement but also high-speed applications (like fast over current protection, for example) with a high bandwidth of 1.3MHz and a 65dB AC CMRR (at 50kHz).

Results: 23
Select Image Part # Mfr. 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 SR - Slew Rate Packaging
Texas Instruments Current Sense Amplifiers -4-V to 110-V 1.3-M Hz high-precision c A 595-INA281B1IDBVR 18.396In Stock
Cut Tape
Rp54.487,62
Rp40.911,58
Rp37.425,84
Rp33.573,18
Reel
Rp29.353,60
Min.: 1
Mult.: 1
: 250
INA281 1 Channel 1.3 MHz 48 V 140 dB 20 uA 100 uV 20 V 2.7 V 1.5 mA 0.07 % - 40 C + 125 C SMD/SMT SOT-23-5 2.5 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers AEC-Q100 -4-V to 11 0-V 1.3-MHz current 4.125In Stock
Cut Tape
Rp58.890,66
Rp44.213,86
Rp40.544,66
Rp36.508,54
Reel
Rp29.537,06
Min.: 1
Mult.: 1
: 3.000
INA281 1 Channel 900 kHz 48 V 140 dB 20 uA 30 uV 20 V 2.7 V 1.5 mA 0.07 % - 40 C + 125 C SMD/SMT SOT-3-5 AEC-Q100 2.5 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers AEC-Q100 -4-V to 11 0-V 1.3-MHz current 4.876In Stock
Cut Tape
Rp58.890,66
Rp44.213,86
Rp40.544,66
Rp36.508,54
Reel
Rp29.170,14
Min.: 1
Mult.: 1
: 3.000
INA281 1 Channel 1 MHz 48 V 140 dB 20 uA 30 uV 20 V 2.7 V 1.5 mA 0.07 % - 40 C + 125 C SMD/SMT SOT-3-5 AEC-Q100 2.5 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers AEC-Q100 -4-V to 11 0-V 1.3-MHz current 3.118In Stock
Cut Tape
Rp58.890,66
Rp44.213,86
Rp40.544,66
Rp36.508,54
Reel
Rp29.170,14
Min.: 1
Mult.: 1
: 3.000
INA281 1 Channel 900 kHz 48 V 140 dB 20 uA 30 uV 20 V 2.7 V 1.5 mA 0.07 % - 40 C + 125 C SMD/SMT SOT-3-5 AEC-Q100 2.5 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers AEC-Q100 -4-V to 11 0-V 1.3-MHz current 2.691In Stock
Cut Tape
Rp58.890,66
Rp44.213,86
Rp40.544,66
Rp36.508,54
Reel
Rp30.637,82
Min.: 1
Mult.: 1
: 3.000
INA281 1 Channel 900 kHz 48 V 140 dB 20 uA 15 uV 20 V 2.7 V 1.5 mA 0.07 % - 40 C + 125 C SMD/SMT SOT-3-5 AEC-Q100 2.5 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers -4-V to 110-V 1.3-M Hz high-precision c A 595-INA281A5IDBVT 2.729In Stock
Cut Tape
Rp41.645,42
Rp30.821,28
Rp28.069,38
Rp25.134,02
Reel
Rp20.364,06
Min.: 1
Mult.: 1
: 3.000
INA281 1 Channel 900 kHz 48 V 120 dB 20 uA 15 uV 20 V 2.7 V 1.5 mA 0.5 % - 40 C + 125 C SMD/SMT SOT-23-5 2.5 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers AEC-Q100 -4-V to 11 0-V 1.3-MHz current 1.175In Stock
Cut Tape
Rp58.890,66
Rp44.213,86
Rp40.544,66
Rp36.508,54
Reel
Rp30.637,82
Min.: 1
Mult.: 1
: 3.000
INA281 1 Channel 900 kHz 48 V 140 dB 20 uA 15 uV 20 V 2.7 V 1.5 mA 0.07 % - 40 C + 125 C SMD/SMT SOT-3-5 AEC-Q100 2.5 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers -4-V to 110-V 1.3-M Hz high-precision c A 595-INA281B1IDBVT 9.437In Stock
3.000Expected 28/06/2027
Cut Tape
Rp45.681,54
Rp33.940,10
Rp31.004,74
Rp27.885,92
Reel
Rp23.482,88
Min.: 1
Mult.: 1
: 3.000
INA281 1 Channel 1.3 MHz 48 V 120 dB 20 uA 100 uV 20 V 2.7 V 1.5 mA 0.5 % - 40 C + 125 C SMD/SMT SOT-23-5 2.5 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers AEC-Q100 -4-V to 11 0-V 1.3-MHz current 6.623In Stock
Cut Tape
Rp59.991,42
Rp44.764,24
Rp40.911,58
Rp36.692,00
Reel
Rp31.188,20
Min.: 1
Mult.: 1
: 3.000
INA281 1 Channel 1.3 MHz 48 V 140 dB 20 uA 100 uV 20 V 2.7 V 1.5 mA 0.07 % - 40 C + 125 C SMD/SMT SOT-3-5 AEC-Q100 2.5 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers AEC-Q100 -4-V to 11 0-V 1.3-MHz current 4.871In Stock
Cut Tape
Rp58.890,66
Rp44.213,86
Rp40.544,66
Rp36.508,54
Reel
Rp31.004,74
Min.: 1
Mult.: 1
: 3.000
INA281 1 Channel 1.3 MHz 48 V 140 dB 20 uA 100 uV 20 V 2.7 V 1.5 mA 0.07 % - 40 C + 125 C SMD/SMT SOT-3-5 AEC-Q100 2.5 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers AEC-Q100 -4-V to 11 0-V 1.3-MHz current 4.148In Stock
Cut Tape
Rp58.890,66
Rp44.213,86
Rp40.544,66
Rp36.508,54
Reel
Rp31.922,04
Min.: 1
Mult.: 1
: 3.000
INA281 1 Channel 1.3 MHz 48 V 140 dB 20 uA 55 uV 20 V 2.7 V 1.5 mA 0.07 % - 40 C + 125 C SMD/SMT SOT-3-5 AEC-Q100 2.5 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers -4-V to 110-V 1.3-M Hz high-precision c A 595-INA281A3IDBVT 3.507In Stock
Cut Tape
Rp46.965,76
Rp34.857,40
Rp31.922,04
Rp28.619,76
Reel
Rp24.400,18
Min.: 1
Mult.: 1
: 3.000
INA281 1 Channel 1 MHz 48 V 140 dB 20 uA 30 uV 20 V 2.7 V 1.5 mA 0.07 % - 40 C + 125 C SMD/SMT SOT-23-5 2.5 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers AEC-Q100 -4-V to 11 0-V 1.3-MHz current 1.440In Stock
3.000Expected 04/02/2027
Cut Tape
Rp58.890,66
Rp44.213,86
Rp40.544,66
Rp36.508,54
Reel
Rp31.004,74
Min.: 1
Mult.: 1
: 3.000
INA281 1 Channel 1.3 MHz 48 V 140 dB 20 uA 55 uV 20 V 2.7 V 1.5 mA 0.07 % - 40 C + 125 C SMD/SMT SOT-3-5 AEC-Q100 2.5 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers AEC-Q100 -4-V to 11 0-V 1.3-MHz current 4.547In Stock
Cut Tape
Rp61.275,64
Rp45.681,54
Rp41.828,88
Rp37.609,30
Reel
Rp31.922,04
Min.: 1
Mult.: 1
: 3.000
INA281 1 Channel 1 MHz 48 V 140 dB 20 uA 30 uV 20 V 2.7 V 1.5 mA 0.07 % - 40 C + 125 C SMD/SMT SOT-3-5 AEC-Q100 2.5 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers -4-V to 110-V 1.3-M Hz high-precision c A 595-INA281A4IDBVT 3In Stock
3.000Expected 18/01/2027
Cut Tape
Rp40.911,58
Rp30.087,44
Rp27.519,00
Rp24.583,64
Reel
Rp20.364,06
Min.: 1
Mult.: 1
: 3.000
INA281 1 Channel 900 kHz 48 V 120 dB 20 uA 30 uV 20 V 2.7 V 1.5 mA 0.5 % - 40 C + 125 C SMD/SMT SOT-23-5 2.5 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers -4-V to 110-V 1.3-M Hz high-precision c A 595-INA281A4IDBVR 384In Stock
Cut Tape
Rp54.487,62
Rp40.911,58
Rp37.425,84
Rp35.407,78
Reel
Rp31.555,12
Min.: 1
Mult.: 1
: 250
INA281 1 Channel 900 kHz 48 V 140 dB 20 uA 30 uV 20 V 2.7 V 1.5 mA 0.07 % - 40 C + 125 C SMD/SMT SOT-23-5 2.5 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers -4-V to 110-V 1.3-M Hz high-precision c A 595-INA281B2IDBVT 43In Stock
6.000Expected 18/03/2027
Cut Tape
Rp40.361,20
Rp29.903,98
Rp27.335,54
Rp24.400,18
Reel
Rp20.364,06
Min.: 1
Mult.: 1
: 3.000
INA281 1 Channel 1.3 MHz 48 V 120 dB 20 uA 55 uV 20 V 2.7 V 1.5 mA 0.5 % - 40 C + 125 C SMD/SMT SOT-23-5 2.5 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers -4-V to 110-V 1.3-M Hz high-precision c A 595-INA281B3IDBVT 1.109In Stock
3.000Expected 01/02/2027
Cut Tape
Rp40.361,20
Rp29.903,98
Rp27.335,54
Rp24.400,18
Reel
Rp20.364,06
Min.: 1
Mult.: 1
: 3.000
INA281 1 Channel 1 MHz 48 V 120 dB 20 uA 30 uV 20 V 2.7 V 1.5 mA 0.5 % - 40 C + 125 C SMD/SMT SOT-23-5 2.5 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers -4-V to 110-V 1.3-M Hz high-precision c A 595-INA281A2IDBVT
35.379On Order
Cut Tape
Rp40.361,20
Rp29.903,98
Rp27.335,54
Rp24.400,18
Reel
Rp20.364,06
Min.: 1
Mult.: 1
: 3.000
INA281 1 Channel 1.3 MHz 48 V 120 dB 20 uA 55 uV 20 V 2.7 V 1.5 mA 0.5 % - 40 C + 125 C SMD/SMT SOT-23-5 2.5 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers -4-V to 110-V 1.3-M Hz high-precision c A 595-INA281A2IDBVR
996On Order
Cut Tape
Rp55.038,00
Rp40.911,58
Rp37.425,84
Rp33.573,18
Reel
Rp31.738,58
Min.: 1
Mult.: 1
: 250
INA281 1 Channel 1.3 MHz 48 V 140 dB 20 uA 55 uV 20 V 2.7 V 1.5 mA 0.07 % - 40 C + 125 C SMD/SMT SOT-23-5 2.5 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers -4-V to 110-V 1.3-M Hz high-precision c A 595-INA281A1IDBVT
5.896On Order
Cut Tape
Rp46.965,76
Rp34.857,40
Rp31.922,04
Rp28.619,76
Reel
Rp23.299,42
Min.: 1
Mult.: 1
: 3.000
INA281 1 Channel 1.3 MHz 48 V 120 dB 20 uA 100 uV 20 V 2.7 V 1.5 mA 0.5 % - 40 C + 125 C SMD/SMT SOT-23-5 2.5 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers -4-V to 110-V 1.3-M Hz high-precision c A 595-INA281B4IDBVT Non-Stocked Lead-Time 12 Weeks
Cut Tape
Rp42.746,18
Rp31.738,58
Rp28.803,22
Rp25.867,86
Reel
Rp21.831,74
Min.: 1
Mult.: 1
: 3.000
INA281 1 Channel 900 kHz 48 V 120 dB 20 uA 30 uV 20 V 2.7 V 1.5 mA 0.5 % - 40 C + 125 C SMD/SMT SOT-23-5 2.5 V/us Reel, Cut Tape, MouseReel
Texas Instruments Current Sense Amplifiers -4-V to 110-V 1.3-M Hz high-precision c A 595-INA281B5IDBVT Non-Stocked Lead-Time 12 Weeks
Cut Tape
Rp42.746,18
Rp31.738,58
Rp28.803,22
Rp25.867,86
Reel
Rp20.364,06
Min.: 1
Mult.: 1
: 3.000
INA281 1 Channel 900 kHz 48 V 120 dB 20 uA 15 uV 20 V 2.7 V 1.5 mA 0.5 % - 40 C + 125 C SMD/SMT SOT-23-5 2.5 V/us Reel, Cut Tape, MouseReel