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 (DKK) 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 18.394In Stock
Cut Tape
19,02 kr.
14,32 kr.
13,06 kr.
11,71 kr.
Reel
10,29 kr.
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 3.118In Stock
Cut Tape
20,59 kr.
15,44 kr.
14,17 kr.
12,76 kr.
Reel
10,22 kr.
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 4.810In Stock
Cut Tape
20,59 kr.
15,44 kr.
14,17 kr.
12,76 kr.
Reel
10,22 kr.
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 4.172In Stock
Cut Tape
20,59 kr.
15,44 kr.
14,17 kr.
12,76 kr.
Reel
10,29 kr.
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
20,59 kr.
15,44 kr.
14,17 kr.
12,76 kr.
Reel
10,74 kr.
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
14,55 kr.
10,74 kr.
9,85 kr.
8,80 kr.
Reel
7,12 kr.
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 1.176In Stock
Cut Tape
20,59 kr.
15,44 kr.
14,17 kr.
12,76 kr.
Reel
10,74 kr.
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 9.425In Stock
3.000Expected 21/06/2027
Cut Tape
15,96 kr.
11,86 kr.
10,82 kr.
9,77 kr.
Reel
8,21 kr.
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 6.618In Stock
Cut Tape
20,96 kr.
15,67 kr.
14,32 kr.
12,83 kr.
Reel
10,89 kr.
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 4.828In Stock
Cut Tape
20,59 kr.
15,44 kr.
14,17 kr.
12,76 kr.
Reel
10,82 kr.
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 3.648In Stock
Cut Tape
20,59 kr.
15,44 kr.
14,17 kr.
12,76 kr.
Reel
11,19 kr.
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 3.134In Stock
Cut Tape
16,41 kr.
12,16 kr.
11,19 kr.
10,00 kr.
Reel
8,50 kr.
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 1.438In Stock
3.000Expected 28/01/2027
Cut Tape
20,59 kr.
15,44 kr.
14,17 kr.
12,76 kr.
Reel
10,82 kr.
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
21,41 kr.
15,96 kr.
14,62 kr.
13,13 kr.
Reel
11,19 kr.
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 19/11/2026
Cut Tape
14,32 kr.
10,52 kr.
9,62 kr.
8,58 kr.
Reel
7,12 kr.
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
19,02 kr.
14,32 kr.
13,06 kr.
12,38 kr.
Reel
11,04 kr.
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 127In Stock
6.000Expected 18/03/2027
Cut Tape
14,10 kr.
10,44 kr.
9,55 kr.
8,50 kr.
Reel
7,12 kr.
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 1.059In Stock
3.000Expected 19/11/2026
Cut Tape
14,10 kr.
10,44 kr.
9,55 kr.
8,50 kr.
Reel
7,12 kr.
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
35.359On Order
Cut Tape
14,10 kr.
10,44 kr.
9,55 kr.
8,50 kr.
Reel
7,12 kr.
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
971On Order
Cut Tape
19,25 kr.
14,32 kr.
13,06 kr.
11,71 kr.
Reel
11,12 kr.
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
16,41 kr.
12,16 kr.
11,19 kr.
10,00 kr.
Reel
8,13 kr.
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
14,92 kr.
11,12 kr.
10,07 kr.
9,03 kr.
Reel
7,61 kr.
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
14,92 kr.
11,12 kr.
10,07 kr.
9,03 kr.
Reel
7,12 kr.
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