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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Texas Instruments 精密放大器 High Bandwidth High Precision Low Nois A A 595-OPA625IDBVT 2,952库存量
最低: 1
倍数: 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 精密放大器 Single ultra-high-p recision (10 V) zero TLV387DBVT 6,768库存量
最低: 1
倍数: 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 精密放大器 PRECISION OP-AMP 17,475库存量
18,000预期 2026/8/31
最低: 1
倍数: 1
最大: 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 精密放大器 Dual micropower hi g h speed-to-power ra 499库存量
最低: 1
倍数: 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 精密放大器 5V LOW OFFSET DUAL O P AMP 1,086库存量
2,500预期 2026/8/26
最低: 1
倍数: 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 精密放大器 High precision 5 uV zero drift, low-power single op amp 4,049库存量
3,000预期 2027/2/8
最低: 1
倍数: 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 精密放大器 High precision 5 uV zero drift, low-power dual op amp 4,575库存量
最低: 1
倍数: 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 精密放大器 20uV 5V Micro Op Amp 1.8 to 5.5V 400kHz 6,983库存量
6,000在途量
最低: 1
倍数: 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 精密放大器 20uV 5V Micro Op Amp 1.8 to 5.5V 400kHz 20,217库存量
最低: 1
倍数: 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 精密放大器 Very high accuracy 0 drift micropowr 5V 2,996库存量
12,000预期 2026/9/7
最低: 1
倍数: 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 精密放大器 Very high accuracy 0 drift micropowr 5V 8,457库存量
最低: 1
倍数: 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 精密放大器 Very high accuracy (5 uV) zero drift 5 V CMOS Op-Amps, quad, GBP=400kHz 1,962库存量
最低: 1
倍数: 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

Texas Instruments 精密放大器 Lo Cost Prec CMOS Op Amp Zero Drift A 59 A 595-OPA2330AIDGKR 683库存量
最低: 1
倍数: 1
: 250

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 VSSOP-8 SMD/SMT No Shutdown - 40 C + 125 C OPA2330 Reel, Cut Tape, MouseReel
Texas Instruments 精密放大器 Lo Cost Prec CMOS Op Amp Zero Drift A 59 A 595-OPA2330AID 2,389库存量
最低: 1
倍数: 1
: 2,500

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 Reel, Cut Tape, MouseReel
Texas Instruments 精密放大器 Lo Cost Prec CMOS Op Amp Zero Drift A 59 A 595-OPA2330AIDRBT 2,282库存量
最低: 1
倍数: 1
: 3,000

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 SON-8 SMD/SMT No Shutdown - 40 C + 125 C OPA2330 Reel, Cut Tape, MouseReel
Texas Instruments 精密放大器 0.05uV/C max Single- Supply CMOS A 595-O A 595-OPA335AIDBVT 5,616库存量
18,000预期 2026/12/18
最低: 1
倍数: 1
: 3,000

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 SOT-23-5 SMD/SMT Shutdown - 40 C + 125 C OPA335 Reel, Cut Tape, MouseReel
Texas Instruments 精密放大器 2.2V 50MHZ LO-NOISE SGL SUPPLY RR OP AMP 779库存量
2,500预期 2026/10/22
最低: 1
倍数: 1
: 250

1 Channel 50 MHz 25 V/us 100 uV 200 fA 5.5 V 2.2 V 4.6 mA 65 mA 120 dB 4.5 nV/sqrt Hz SOT-23-5 SMD/SMT No Shutdown - 55 C + 125 C OPA365 Reel, Cut Tape, MouseReel
Texas Instruments 精密放大器 Lo Noise 50uV R-R In p/Out Prec Op Amp A A 595-OPA378AIDBVT 10,715库存量
最低: 1
倍数: 1
: 3,000

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 SOT-23-5 SMD/SMT No Shutdown - 40 C + 125 C OPA378 Reel, Cut Tape, MouseReel
Texas Instruments 精密放大器 Lo Noise 50uV R-R In p/Out Prec Op Amp A A 595-OPA378AIDCKT 1,476库存量
最低: 1
倍数: 1
: 3,000

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
onsemi 精密放大器 DUAL PRECISION OP-AMP 25,063库存量
最低: 1
倍数: 1
: 4,000

2 Channel 270 kHz 150 mV/us 30 uV 400 pA 5.5 V 1.8 V 17 uA 11 mA 123 dB 62 nV/sqrt Hz MSOP-8 SMD/SMT No Shutdown - 40 C + 125 C NCS2333 AEC-Q101 Reel, Cut Tape, MouseReel
onsemi 精密放大器 DUAL PRECISION OPAMP 3,853库存量
最低: 1
倍数: 1
: 3,000

2 Channel 270 kHz 150 mV/us 30 uV 400 pA 5.5 V 1.8 V 17 uA 11 mA 123 dB 62 nV/sqrt Hz SOIC-8 SMD/SMT No Shutdown - 40 C + 125 C NCS2333 AEC-Q100 Reel, Cut Tape, MouseReel

Microchip Technology 精密放大器 Zero Drift Op Amp Quad, E Temp 235库存量
最低: 1
倍数: 1

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 TSSOP-14 SMD/SMT No Shutdown - 40 C + 125 C MCP6V74 AEC-Q100 Tube

Microchip Technology 精密放大器 Quad Zero Drift Op Amp E Temp 192库存量
最低: 1
倍数: 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 TSSOP-14 SMD/SMT No Shutdown - 40 C + 125 C MCP6V84 AEC-Q100 Tube

Microchip Technology 精密放大器 Quad Zero Drift Op Amp E Temp 51库存量
最低: 1
倍数: 1

4 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 TSSOP-14 SMD/SMT No Shutdown - 40 C + 125 C MCP6V94 AEC-Q100 Tube
Texas Instruments 精密放大器 Prec 20MHz 0.9pA Ib RRIO CMOS Op Amp A 5 A 595-OPA2320AIDR 3库存量
1,575预期 2026/10/12
最低: 1
倍数: 1

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 SOIC-8 SMD/SMT Shutdown - 40 C + 125 C OPA2320 Tube