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 QUAD PRECISION RAIL-RAIL CHOPPER OP AMP
Datasheet
268In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 238

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
Analog Devices Precision Amplifiers DUAL, LOW NOISE AUTO ZERO AMPLIFIER
Datasheet
1 132In Stock
Min.: 1
Mult.: 1
Max.: 1 132

2 Channel 2.5 MHz 1 V/us 1 uV 30 pA 5 V 2.7 V 1 mA 30 mA 115 dB 22 nV/sqrt Hz SOIC-8 SMD/SMT No Shutdown - 40 C + 125 C AD8629 Tube
Analog Devices Precision Amplifiers 1.8 V, power, Zero-Drift, RRIO Single Amplifier
Datasheet
6 988In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 6 988
: 3 000

1 Channel 125 kHz 60 mV/us 2 uV 200 pA 5.5 V 1.8 V 15 uA 15 mA 135 dB 95 nV/sqrt Hz SC-70-5 SMD/SMT No Shutdown - 40 C + 125 C ADA4051-1 Reel, Cut Tape, MouseReel
Analog Devices Precision Amplifiers 1.8 V, power, Zero-Drift, RRIO Single Amplifier
Datasheet
5 103In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 5 403
: 3 000

1 Channel 125 kHz 60 mV/us 2 uV 200 pA 5.5 V 1.8 V 15 uA 15 mA 135 dB 95 nV/sqrt Hz SOT-23-5 SMD/SMT No Shutdown - 40 C + 125 C ADA4051-1 Reel, Cut Tape, MouseReel
Analog Devices Precision Amplifiers 1.8V, Power, Zero-Drift, RRIO Dual Amplifier
Datasheet
1 036In Stock
900Expected 14/09/2026
Min.: 1
Mult.: 1
Max.: 1 936

2 Channel 125 kHz 60 mV/us 2 uV 200 pA 5.5 V 1.8 V 13 uA 15 mA 135 dB 95 nV/sqrt Hz MSOP-8 SMD/SMT No Shutdown - 40 C + 125 C ADA4051-2 Tube
Analog Devices Precision Amplifiers Low Noise RRIO Zero Drift Dual OpAmp
Datasheet
1 332In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 1 332

2 Channel 3.4 MHz 500 mV/us 300 nV 125 pA 5.5 V 2.2 V 1.5 mA 160 dB LFCSP-8 SMD/SMT - 40 C + 125 C ADA4528-2 Reel, Cut Tape, MouseReel
Analog Devices Precision Amplifiers L C Voltage Feedback RR Dual w/Disable
Datasheet
972In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 972

2 Channel 70 MHz 220 V/us 600 uV 4.2 uA 6 V 2.7 V 5.6 mA 118 mA 110 dB 10 nV/sqrt Hz LFCSP-16 SMD/SMT No Shutdown - 40 C + 125 C ADA4850-2 Reel, Cut Tape, MouseReel
Analog Devices Precision Amplifiers Zero-Drift Op Amps in SOT-23
Datasheet
2 273In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 2 273

1 Channel 3 MHz 2 V/us 500 nV 20 pA 6 V 2.7 V 800 uA 10 mA 130 dB SOT-23-5 SMD/SMT No Shutdown - 40 C + 125 C LTC2050 Reel, Cut Tape, MouseReel
Analog Devices Precision Amplifiers Zero-Drift Op Amps in SOT-23
Datasheet
1 972In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 1 972
: 500

1 Channel 3 MHz 2 V/us 500 nV 20 pA 6 V 2.7 V 800 uA 10 mA 130 dB SOT-23-5 SMD/SMT No Shutdown - 40 C + 125 C LTC2050 Reel, Cut Tape, MouseReel
Analog Devices Precision Amplifiers Zero-Drift Op Amps in SOT-23
Datasheet
1 675In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 1 675

1 Channel 3 MHz 2 V/us 500 nV 20 pA 6 V 2.7 V 800 uA 10 mA 130 dB SOT-23-5 SMD/SMT No Shutdown - 40 C + 85 C LTC2050 Reel, Cut Tape, MouseReel
Analog Devices Precision Amplifiers Zero-Drift Op Amps in SOT-23
Datasheet
941In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 941
: 500

1 Channel 3 MHz 2 V/us 500 nV 20 pA 6 V 2.7 V 800 uA 10 mA 130 dB SOT-23-5 SMD/SMT Shutdown - 40 C + 85 C LTC2050 Reel, Cut Tape, MouseReel
Analog Devices Precision Amplifiers 4x Zero-Drift Op Amps
Datasheet
465In Stock
Min.: 1
Mult.: 1
Max.: 465

4 Channel 3 MHz 2 V/us 500 nV 25 pA 6 V 2.7 V 850 uA 10 mA 130 dB SOIC-14 SMD/SMT Shutdown - 40 C + 85 C LTC2052 Tube
Analog Devices Precision Amplifiers 1x uP Zero-Drift Op Amps
Datasheet
1 809In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 1 809
: 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 + 125 C LTC2054 Reel, Cut Tape, MouseReel
Analog Devices Precision Amplifiers uP Prec, 2x CMOS R2R In/Out Amps
Datasheet
580In Stock
Min.: 1
Mult.: 1
Max.: 580

2 Channel 750 kHz 50 mV/us 20 uV 200 fA 5.5 V 2.7 V 54 uA 10 mA 110 dB 18 nV/sqrt Hz MSOP-8 SMD/SMT Shutdown - 40 C + 125 C LTC6078 Tube
Analog Devices Precision Amplifiers uP Prec, 4x CMOS R2R In/Out Amps
Datasheet
1 900In Stock
Min.: 1
Mult.: 1
Max.: 1 900

4 Channel 750 kHz 50 mV/us 30 uV 200 fA 5.5 V 2.7 V 54 uA 10 mA 110 dB 18 nV/sqrt Hz SSOP-16 SMD/SMT Shutdown - 40 C + 85 C LTC6079 Tube
Analog Devices Precision Amplifiers Prec 2x CMOS R2R In/Out Amps
Datasheet
3 220In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 3 220
: 2 500

2 Channel 3.6 MHz 1 V/us 90 uV 200 fA 5.5 V 2.7 V 330 uA 17 mA 105 dB 13 nV/sqrt Hz DFN-10 SMD/SMT Shutdown - 40 C + 85 C LTC6081 Reel, Cut Tape, MouseReel
Analog Devices Precision Amplifiers Prec 4x CMOS R2R In/Out Amps
Datasheet
437In Stock
Min.: 1
Mult.: 1
Max.: 437

4 Channel 3.6 MHz 1 V/us 90 uV 200 fA 5.5 V 2.7 V 330 uA 17 mA 105 dB 13 nV/sqrt Hz SSOP-16 SMD/SMT No Shutdown - 40 C + 85 C LTC6082 Tube
Analog Devices / Maxim Integrated Precision Amplifiers Ultra-Low Offset/Drift, Low-Noise, Preci
Datasheet
2 080In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 1 994

1 Channel 1 MHz 350 mV/us 2 uV 1 pA 5.5 V 2.7 V 600 uA 40 mA 140 dB 30 nV/sqrt Hz TDFN-6 SMD/SMT Shutdown - 40 C + 125 C MAX4238A Reel, Cut Tape, MouseReel

Analog Devices / Maxim Integrated Precision Amplifiers Ultra-Low Offset/Drift, Low-Noise, Preci
Datasheet
4 732In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 4 757
: 2 500

1 Channel 1 MHz 350 mV/us 2 uV 1 pA 5.5 V 2.7 V 600 uA 40 mA 140 dB 30 nV/sqrt Hz SOT-23-6 SMD/SMT Shutdown - 40 C + 125 C MAX4238A Reel, Cut Tape, MouseReel

Analog Devices / Maxim Integrated Precision Amplifiers Ultra-Low Offset/Drift, Low-Noise, Preci
Datasheet
1 357In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 1 357

1 Channel 6.5 MHz 350 mV/us 2 uV 1 pA 5.5 V 2.7 V 600 uA 40 mA 140 dB 30 nV/sqrt Hz SOT-23-6 SMD/SMT Shutdown - 40 C + 125 C MAX4239 Reel, Cut Tape, MouseReel

STMicroelectronics Precision Amplifiers Very high accuracy (5 uV) zero drift 5 V CMOS Op-Amps, dual, GBP=400kHz
Datasheet
851In Stock
2 500Expected 21/09/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2 500

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 SOIC-8 SMD/SMT No Shutdown - 40 C + 125 C TSZ122 AEC-Q100 Reel, Cut Tape, MouseReel
STMicroelectronics Precision Amplifiers Hi Acc 5uV zero drift microPwr 5V
Datasheet
157In Stock
2 500Expected 22/09/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2 500

4 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 TSSOP-14 SMD/SMT No Shutdown - 40 C + 125 C TSZ124 Reel, Cut Tape, MouseReel

STMicroelectronics Precision Amplifiers Hi Acc 5uV zero drift microPwr 5V
Datasheet
157In Stock
21 000Expected 07/09/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

4 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 QFN-16 SMD/SMT No Shutdown - 40 C + 125 C TSZ124 Reel, Cut Tape, MouseReel
STMicroelectronics Precision Amplifiers Automotive-grade, very high accuracy (25 uV), high bandwidth (3 MHz), high tempe
Datasheet
143In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

1 Channel 3 MHz 4.7 V/us 1 uV 200 pA 5.5 V 2.2 V 800 uA 25 mA, 29 mA 112 dB 37 nV/sqrt Hz SOT-23-5 SMD/SMT No Shutdown - 40 C + 150 C TSZ181H AEC-Q100 Reel, Cut Tape, MouseReel
Texas Instruments Precision Amplifiers Lo Cost Prec CMOS Op Amp Zero Drift A 59 A 595-OPA2330AIDR
Datasheet
748In Stock
Min.: 1
Mult.: 1

2 Channel 350 kHz 160 mV/us 8 uV 200 pA 5.5 V 1.8 V 21 uA 5 mA 115 dB 55 nV/sqrt Hz SOIC-8 SMD/SMT No Shutdown - 40 C + 125 C OPA2330 Tube