Precision Amplifiers for Stepper Motors

Current sensing amplifiers, also known as current-sense or current-shunt amplifiers, measure electrical current. The voltage across a resistor in a current path is directly proportional to that current, per Ohm's law. Thus, measuring current is highly dependent upon the resistance for accuracy. Integrated circuits for current measurement are more efficient, accurate, and are an overall lower cost solution over a discrete current-sensing solution.

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Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Number of Channels
GBP - Gain Bandwidth Product
SR - Slew Rate
Vos - Input Offset Voltage
Ib - Input Bias Current
Supply Voltage - Max
Supply Voltage - Min
Operating Supply Current
Output Current per Channel
CMRR - Common Mode Rejection Ratio
en - Input Voltage Noise Density
Package/Case
Mounting Style
Shutdown
Minimum Operating Temperature
Maximum Operating Temperature
Series
Qualification
Packaging
Texas Instruments Precision Amplifiers Quad 10-MHz CMOS zer o-drift zero-cro A A 595-OPA4388ID
Datasheet
3 009In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2 500

4 Channel 10 MHz 5 V/us 2.25 uV 30 pA 5.5 V 2.5 V 1.9 mA 60 mA 110 dB 7 nV/sqrt Hz SOIC-14 SMD/SMT No Shutdown - 40 C + 125 C OPA4388 Reel, Cut Tape, MouseReel
Texas Instruments Precision Amplifiers High Bandwidth High Precision Low Nois A A 595-OPA625IDBVT
Datasheet
2 952In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

1 Channel 120 MHz 115 V/us 100 uV 2 uA 5.5 V 2.7 V 2 mA 120 mA 115 dB 2.5 nV/sqrt Hz SOT-23-6 SMD/SMT Shutdown - 40 C + 125 C OPA625 Reel, Cut Tape, MouseReel
Texas Instruments Precision Amplifiers Single ultra-high-p recision (10 V) zero TLV387DBVT
Datasheet
6 768In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

2 Channel 5.7 MHz 2.8 V/us 1.25 uV 60 pA 5.5 V 1.7 V 110 dB 8.5 nV/sqrt Hz SOT-23-5 SMD/SMT No Shutdown - 40 C + 125 C TLV387 Reel, Cut Tape, MouseReel
onsemi Precision Amplifiers PRECISION OP-AMP
Datasheet
17 475In Stock
18 000Expected 31/08/2026
MouseReel Available
Min.: 1
Mult.: 1
Max.: 3 000
: 3 000

1 Channel 350 kHz 150 mV/us 6 uV 60 pA 5.5 V 1.8 V 28 uA 11 mA 123 dB 62 nV/sqrt Hz SMD/SMT No Shutdown - 40 C + 125 C NCS333 AEC-Q101 Reel, Cut Tape, MouseReel
Texas Instruments Precision Amplifiers Dual micropower hi g h speed-to-power ra
Datasheet
499In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 250

2 Channel 1 MHz 1 V/us 45 uV 800 fA 5.5 V 1.7 V 10 mA 60 mA 121 dB 60 nV/sqrt Hz DSBGA-9 SMD/SMT Shutdown - 40 C + 125 C OPA2391 Reel, Cut Tape, MouseReel
Texas Instruments Precision Amplifiers 5V LOW OFFSET DUAL O P AMP
Datasheet
1 086In Stock
2 500Expected 26/08/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2 500

1 Channel 5.7 MHz 2.8 V/us 1.25 uV 60 pA 5.5 V 1.7 V 570 uA 115 dB 8.5 nV/sqrt Hz VSSOP-8 SMD/SMT No Shutdown - 40 C + 125 C TLV2387 Reel, Cut Tape, MouseReel
STMicroelectronics Precision Amplifiers High precision 5 uV zero drift, low-power single op amp
Datasheet
4 049In Stock
3 000Expected 08/02/2027
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

1 Channel 400 kHz 170 mV/us 1 uV 300 pA 5.5 V 1.8 V 28 uA 8 mA 110 dB 37 nV/sqrt Hz SC-70-5 SMD/SMT No Shutdown - 40 C + 125 C OA1ZHA Reel, Cut Tape, MouseReel
STMicroelectronics Precision Amplifiers High precision 5 uV zero drift, low-power dual op amp
Datasheet
4 575In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4 000

2 Channel 400 kHz 190 mV/us 1 uV 300 pA 5.5 V 1.8 V 29 uA 18 mA 115 dB 37 nV/sqrt Hz MiniSO-8 SMD/SMT No Shutdown - 40 C + 125 C OA2ZHA Reel, Cut Tape, MouseReel
STMicroelectronics Precision Amplifiers 20uV 5V Micro Op Amp 1.8 to 5.5V 400kHz
Datasheet
6 983In Stock
6 000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

1 Channel 400 kHz 170 mV/us 1 uV 50 pA 5.5 V 1.8 V 31 uA 18 mA 112 dB 50 nV/sqrt Hz SC-70-5 SMD/SMT No Shutdown - 40 C + 125 C TSZ121 Reel, Cut Tape, MouseReel
STMicroelectronics Precision Amplifiers 20uV 5V Micro Op Amp 1.8 to 5.5V 400kHz
Datasheet
20 217In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

1 Channel 400 kHz 170 mV/us 1 uV 50 pA 5.5 V 1.8 V 31 uA 18 mA 112 dB 50 nV/sqrt Hz SOT-23-5 SMD/SMT No Shutdown - 40 C + 125 C TSZ121 Reel, Cut Tape, MouseReel
STMicroelectronics Precision Amplifiers Very high accuracy 0 drift micropowr 5V
Datasheet
2 996In Stock
12 000Expected 07/09/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

2 Channel 400 kHz 190 mV/us 1 uV 300 pA 5.5 V 1.8 V 31 uA 18 mA 115 dB 37 nV/sqrt Hz DFN-8 SMD/SMT No Shutdown - 40 C + 125 C TSZ122 Reel, Cut Tape, MouseReel
STMicroelectronics Precision Amplifiers Very high accuracy 0 drift micropowr 5V
Datasheet
8 457In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4 000

2 Channel 400 kHz 190 mV/us 1 uV 300 pA 5.5 V 1.8 V 31 uA 18 mA 115 dB 37 nV/sqrt Hz MiniSO-8 SMD/SMT No Shutdown - 40 C + 125 C TSZ122 Reel, Cut Tape, MouseReel

STMicroelectronics Precision Amplifiers Very high accuracy (5 uV) zero drift 5 V CMOS Op-Amps, quad, GBP=400kHz
Datasheet
1 962In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2 500

4 Channel 400 kHz 190 mV/us 1 uV 70 pA 5.5 V 1.8 V 31 uA 15 mA 115 dB 37 nV/sqrt Hz TSSOP-14 SMD/SMT No Shutdown - 40 C + 125 C TSZ124 AEC-Q100 Reel, Cut Tape, MouseReel
Analog Devices Precision Amplifiers High Voltage Zero-Drift Op Amps
Datasheet
372In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 372
: 500

1 Channel 3 MHz 2 V/us 500 nV 4 nA 5.5 V 4.5 V 750 uA 10 mA 115 dB SOT-23-6 SMD/SMT Shutdown - 55 C + 150 C LTC2050 Reel, Cut Tape, MouseReel
Analog Devices Precision Amplifiers SINGLE PRECISION RAIL-RAIL CHOPPER OPAMP
Datasheet
542In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 1 042
: 2 500

1 Channel 1.5 MHz 400 mV/us 1 uV 1.5 nA 6 V 2.7 V 975 uA 30 mA 115 dB 42 nV/sqrt Hz SOIC-8 SMD/SMT No Shutdown - 40 C + 125 C AD8551 Reel, Cut Tape, MouseReel
Analog Devices Precision Amplifiers SINGLE PRECISION RAIL-RAIL CHOPPER OPAMP
Datasheet
358In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 1 358
: 1 000

1 Channel 1.5 MHz 400 mV/us 1 uV 1.5 nA 6 V 2.7 V 975 uA 30 mA 115 dB 42 nV/sqrt Hz SOIC-8 SMD/SMT No Shutdown - 40 C + 125 C AD8551 Reel, Cut Tape, MouseReel
Analog Devices Precision Amplifiers DUAL PRECISION RAIL-RAIL CHOPPER OP AMP
Datasheet
1 221In Stock
Min.: 1
Mult.: 1
Max.: 1 160

2 Channel 1.5 MHz 400 mV/us 1 uV 4 nA 5 V 2.7 V 1 mA 30 mA 140 dB 42 nV/sqrt Hz TSSOP-8 SMD/SMT No Shutdown - 40 C + 125 C AD8552 Tube
Analog Devices Precision Amplifiers DUAL PRECISION RAIL-RAIL CHOPPER OP AMP
Datasheet
1 875In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 1 905
: 1 000

2 Channel 1.5 MHz 400 mV/us 1 uV 300 pA 5.5 V 2.7 V 1.95 mA 30 mA 115 dB 42 nV/sqrt Hz SOIC-8 SMD/SMT No Shutdown - 40 C + 125 C AD8552 Reel, Cut Tape, MouseReel
Analog Devices Precision Amplifiers QUAD PRECISION RAIL-RAIL CHOPPER OP AMP
Datasheet
501In Stock
480Expected 19/03/2027
Min.: 1
Mult.: 1
Max.: 981

4 Channel 1.5 MHz 400 mV/us 1 uV 50 pA 5 V 2.7 V 1 mA 30 mA 140 dB 42 nV/sqrt Hz TSSOP-14 SMD/SMT No Shutdown - 40 C + 125 C AD8554 Tube
Analog Devices Precision Amplifiers QUAD PRECISION RAIL-RAIL CHOPPER OP AMP
Datasheet
1 007In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 1 107
: 1 000

4 Channel 1.5 MHz 400 mV/us 1 uV 50 pA 5.5 V 2.7 V 3.9 mA 30 mA 115 dB 42 nV/sqrt Hz SOIC-14 SMD/SMT No Shutdown - 40 C + 125 C AD8554 Reel, Cut Tape, MouseReel
Analog Devices Precision Amplifiers SINGLE PRECISION RAIL-RAIL CHOPPER OPAMP
Datasheet
1 361In Stock
Min.: 1
Mult.: 1
Max.: 1 361

1 Channel 1.5 MHz 400 mV/us 1 uV 1.5 nA 5 V 2.7 V 1 mA 30 mA 140 dB 51 nV/sqrt Hz SOIC-8 SMD/SMT No Shutdown - 40 C + 125 C AD8571 Tube
Analog Devices Precision Amplifiers SINGLE PRECISION RAIL-RAIL CHOPPER OPAMP
Datasheet
799In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 799
: 1 000

1 Channel 1.5 MHz 400 mV/us 1 uV 50 pA 6 V 2.7 V 975 uA 30 mA 140 dB 51 nV/sqrt Hz SOIC-8 SMD/SMT No Shutdown - 40 C + 125 C AD8571 Reel, Cut Tape, MouseReel
Analog Devices Precision Amplifiers QUAD PRECISION RAIL-RAIL CHOPPER OP AMP
Datasheet
154In Stock
Min.: 1
Mult.: 1
Max.: 250

4 Channel 1.5 MHz 400 mV/us 1 uV 1.5 nA 5 V 2.7 V 1 mA 30 mA 140 dB 51 nV/sqrt Hz TSSOP-14 SMD/SMT No Shutdown - 40 C + 125 C AD8574 Tube
Analog Devices Precision Amplifiers QUAD PRECISION RAIL-RAIL CHOPPER OP AMP
Datasheet
1 408In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 1 408
: 2 500

4 Channel 1.5 MHz 1 uV 1.5 nA 6 V 2.7 V 3.9 mA 140 dB TSSOP-14 SMD/SMT - 40 C + 125 C AD8574 Reel, Cut Tape, MouseReel
Analog Devices Precision Amplifiers QUAD PRECISION RAIL-RAIL CHOPPER OP AMP
Datasheet
268In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 238
: 1 000

4 Channel 1.5 MHz 400 mV/us 1 uV 1.5 nA 6 V 2.7 V 3.9 mA 30 mA 140 dB 51 nV/sqrt Hz SOIC-14 SMD/SMT No Shutdown - 40 C + 125 C AD8574 Reel, Cut Tape, MouseReel