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
Analog Devices Precision Amplifiers Low Noise RRIO Zero Drift OpAmp
Datasheet
11.940In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 10.247
: 1.500

1 Channel 3.4 MHz 500 mV/us 300 nV 200 pA 5.5 V 2.2 V 1.4 mA 40 mA 160 dB 5.9 nV/sqrt Hz LFCSP-8 SMD/SMT No Shutdown - 40 C + 125 C ADA4528-1 Reel, Cut Tape, MouseReel
Analog Devices Precision Amplifiers Low Noise RRIO Zero Drift Dual OpAmp
Datasheet
12.023In Stock
10.500On Order
MouseReel Available
Min.: 1
Mult.: 1
Max.: 22.523
: 1.500

2 Channel 3.4 MHz 500 mV/us 300 nV 125 pA 5.5 V 2.2 V 1.5 mA 40 mA 160 dB 5.9 nV/sqrt Hz LFCSP-8 SMD/SMT No Shutdown - 40 C + 125 C ADA4528-2 Reel, Cut Tape, MouseReel
Analog Devices Precision Amplifiers 1x uP Zero-Drift Op Amps
Datasheet
39.308In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 39.308
: 500

1 Channel 500 kHz 500 mV/us 500 nV 1 pA 6 V 2.7 V 150 uA 4 mA 130 dB 85 nV/sqrt Hz SOT-23-5 SMD/SMT No Shutdown - 40 C + 85 C LTC2054 Reel, Cut Tape, MouseReel
Analog Devices Precision Amplifiers 1x 18MHz, L N, R2R Out, CMOS Op Amp
Datasheet
11.727In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 11.727
: 500

1 Channel 18 MHz 10 V/us 50 uV 200 fA 6 V 2.8 V 2 mA 30 mA 105 dB 7 nV/sqrt Hz SOT-23-5 SMD/SMT No Shutdown - 40 C + 85 C LTC6240 Reel, Cut Tape, MouseReel
Texas Instruments Precision Amplifiers PRECISION 20MHZ RRIO CMOS OP AMP A 595-O A 595-OPA320AIDBVT
Datasheet
30.991In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 1.001
: 3.000

1 Channel 20 MHz 10 V/us 40 uV 200 fA 5.5 V 1.8 V 1.5 mA 65 mA 114 dB 7 nV/sqrt Hz SOT-23-5 SMD/SMT Shutdown - 40 C + 125 C OPA320 Reel, Cut Tape, MouseReel
onsemi Precision Amplifiers NCS21802 - PRECISION OP AMPLIFIER - MICRO-8
Datasheet
40.763In Stock
32.000Expected 8/25/2026
MouseReel Available
Min.: 1
Mult.: 1
Max.: 8.000
: 4.000

2 Channel 1.5 MHz 700 mV/us 2 uV 200 pA 5.5 V 1.8 V 100 uA 32 mA 108 dB 42 nV/sqrt Hz Micro-8 SMD/SMT Shutdown - 40 C + 125 C NCS21802 Reel, Cut Tape, MouseReel
Texas Instruments Precision Amplifiers Dual micropower hi g h speed-to-power ra
Datasheet
210In Stock
3.000Expected 9/11/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

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 Dual DSBGA package l ow-offset (10 V)
Datasheet
392In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 250

2 Channel 13 MHz 4.5 V/us 125 uV 10 fA 5.5 V 1.7 V 65 mA 120 dB 5.8 nV/sqrt Hz DSBGA-9 SMD/SMT No Shutdown - 40 C + 125 C OPA2392 Reel, Cut Tape, MouseReel

Microchip Technology Precision Amplifiers Zero Drift Op Amp Single, E-Temp
Datasheet
4.829In Stock
Min.: 1
Mult.: 1
: 3.000

1 Channel 2 MHz 1 V/us 8 uV 1 pA 5.5 V 2 V 170 uA 26 mA 117 dB 21 nV/sqrt Hz SOT-23-5 SMD/SMT No Shutdown - 40 C + 125 C MCP6V71 AEC-Q100 Reel, Cut Tape

Microchip Technology Precision Amplifiers Zero Drift Op Amp Single
Datasheet
4.872In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

1 Channel 5 MHz 4 V/us 9 uV 2 pA 5.5 V 2.2 V 500 uA 40 mA 118 dB 13 nV/sqrt Hz SOT-23-5 SMD/SMT No Shutdown - 40 C + 125 C MCP6V81 AEC-Q100 Reel, Cut Tape, MouseReel

Microchip Technology Precision Amplifiers Zero Drift Op Amp Single
Datasheet
5.638In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

1 Channel 5 MHz 4 V/us 9 uV 2 pA 5.5 V 2.2 V 500 uA 40 mA 118 dB 13 nV/sqrt Hz SOT-23-5 SMD/SMT No Shutdown - 40 C + 125 C MCP6V81 AEC-Q100 Reel, Cut Tape, MouseReel
Microchip Technology Precision Amplifiers Dual Zero Drift Op Amp E Temp
Datasheet
3.259In Stock
Min.: 1
Mult.: 1

1 Channel 5 MHz 4 V/us 9 uV 2 pA 5.5 V 2.2 V 500 uA 40 mA 118 dB 13 nV/sqrt Hz MSOP-8 SMD/SMT No Shutdown - 40 C + 125 C MCP6V82 AEC-Q100 Tube

Microchip Technology Precision Amplifiers Zero Drift Op Amp Single, E Temp
Datasheet
8.212In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

1 Channel 10 MHz 9.5 V/us 9 uV 2 pA 5.5 V 2.4 V 1.1 mA 40 mA 118 dB 11 nV/sqrt Hz SOT-23-5 SMD/SMT No Shutdown - 40 C + 125 C MCP6V91 AEC-Q100 Reel, Cut Tape, MouseReel
Microchip Technology Precision Amplifiers Dual Zero Drift Op Amp E Temp
Datasheet
928In Stock
Min.: 1
Mult.: 1

2 Channel 10 MHz 9.5 V/us 9 uV 2 pA 5.5 V 2.4 V 1.1 mA 40 mA 118 dB 11 nV/sqrt Hz MSOP-8 SMD/SMT No Shutdown - 40 C + 125 C MCP6V92 AEC-Q100 Tube
Microchip Technology Precision Amplifiers CAN FD Transceiver with Silent Mode
Datasheet
1.478In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

2 Channel 10 MHz 9.5 V/us 9 uV 2 pA 5.5 V 2.4 V 1.1 mA 40 mA 118 dB 11 nV/sqrt Hz MSOP-8 SMD/SMT No Shutdown - 40 C + 125 C MCP6V92 AEC-Q100 Reel, Cut Tape, MouseReel
Texas Instruments Precision Amplifiers Prec 20MHz 0.9pA RRI O CMOS Op Amp A 595 A 595-OPA2320SAIDGST
Datasheet
1.434In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

2 Channel 20 MHz 10 V/us 40 uV 200 fA 5.5 V 1.8 V 1.45 mA 65 mA 114 dB 7 nV/sqrt Hz MSOP-10 SMD/SMT Shutdown - 40 C + 125 C OPA2320 Reel, Cut Tape, MouseReel
Texas Instruments Precision Amplifiers Low-Noise 900kHz RRI O Prec Op Amp A 595 A 595-OPA2378AIDCNR
Datasheet
4.179In Stock
15.500On Order
MouseReel Available
Min.: 1
Mult.: 1
: 250

2 Channel 900 kHz 400 mV/us 20 uV 150 pA 5.5 V 2.2 V 125 uA 30 mA 112 dB 20 nV/sqrt Hz SOT-23-8 SMD/SMT No Shutdown - 40 C + 125 C OPA2378 Reel, Cut Tape, MouseReel
Texas Instruments Precision Amplifiers Ultra-high-precision zero-drift low-inpu OPA2387DSGT
Datasheet
3.512In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

2 Channel 5.7 MHz 2.8 V/us 400 nV 30 pA 5.5 V 1.7 V 570 uA 140 dB 8.5 nV/sqrt Hz WSON-8 SMD/SMT No Shutdown - 40 C + 125 C OPA2387 Reel, Cut Tape, MouseReel
Texas Instruments Precision Amplifiers High-Bandwidth High -Precision Low THD+ A 595-OPA2625IDGST
Datasheet
2.721In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

2 Channel 120 MHz 115 V/us 100 uV 4 uA 5.5 V 2.7 V 2 mA 120 mA 117 dB 2.5 nV/sqrt Hz MSOP-10 SMD/SMT Shutdown - 40 C + 125 C OPA2625 Reel, Cut Tape, MouseReel
Texas Instruments Precision Amplifiers Automotive qualified precision zero-cr A A 595-OPA320AQDBVTQ1
Datasheet
1.049In Stock
3.000Expected 11/9/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

1 Channel 20 MHz 10 V/us 40 uV 200 fA 5.5 V 1.8 V 1.5 mA 65 mA 114 dB 7 nV/sqrt Hz SOT-23-5 SMD/SMT Shutdown - 40 C + 125 C OPA320 AEC-Q100 Reel, Cut Tape, MouseReel
Texas Instruments Precision Amplifiers Automotive qualified precision zero-cr A A 595-OPA320AQDBVRQ1
Datasheet
4.125In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 250

1 Channel 20 MHz 10 V/us 40 uV 200 fA 5.5 V 1.8 V 1.5 mA 65 mA 114 dB 7 nV/sqrt Hz SOT-23-5 SMD/SMT Shutdown - 40 C + 125 C OPA320 AEC-Q100 Reel, Cut Tape, MouseReel
Texas Instruments Precision Amplifiers Prec 20MHz 0.9pAIb R RIO CMOS Op Amp A 5 A 595-OPA320SAIDBVR
Datasheet
3.046In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 250

1 Channel 20 MHz 10 V/us 40 uV 200 fA 5.5 V 1.8 V 1.5 mA 65 mA 114 dB 7 nV/sqrt Hz SOT-23-6 SMD/SMT Shutdown - 40 C + 125 C OPA320 Reel, Cut Tape, MouseReel
Texas Instruments Precision Amplifiers 0.05uV/C max Single- Supply CMOS A 595-O A 595-OPA335AID
Datasheet
2.022In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

1 Channel 2 MHz 1.6 V/us 1 uV 70 pA 5.5 V 2.7 V 285 uA 50 mA 130 dB 55 nV/sqrt Hz SOIC-8 SMD/SMT Shutdown - 40 C + 125 C OPA335 Reel, Cut Tape, MouseReel
Texas Instruments Precision Amplifiers Lo Noise 50uV R-R In p/Out Prec Op Amp A A 595-OPA378AIDCKR
Datasheet
2.524In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 250

1 Channel 900 kHz 400 mV/us 20 uV 150 pA 5.5 V 2.2 V 125 uA 30 mA 112 dB 20 nV/sqrt Hz SC-70-5 SMD/SMT No Shutdown - 40 C + 125 C OPA378 Reel, Cut Tape, MouseReel
Texas Instruments Precision Amplifiers Ultra-high precision (2 uV) zero-drift O OPA387DBVT
Datasheet
1.705In Stock
12.000Expected 8/25/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

1 Channel 5.7 MHz 2.8 V/us 2.5 uV 135 pA 5.5 V 1.7 V 150 dB 8.5 nV/sqrt Hz SOT-23-5 SMD/SMT No Shutdown - 40 C + 125 C OPA387 Reel, Cut Tape, MouseReel