홈 증폭기 연산 증폭기 (op amps) 범용 연산 증폭기
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연산 증폭기 (op amps)
범용 연산 증폭기

LMV951

활성

셧다운을 지원하는 싱글, 3V, 2.8MHz, 0.9V 최소 공급, 80mA 출력 전류 연산 증폭기

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데이터 시트

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open-in-new 대안 비교
다른 핀 출력을 지원하지만 비교 대상 장치와 동일한 기능.
OPA310 활성 싱글, 5.5V, 3MHz, 고출력 전류(150mA), 빠른 셧다운(1μs) 연산 증폭기 Higher GBW (3MHz), better accuracy (1.4mV Vos max), lower noise (18nV/√Hz), higher output current (150mA)

LMV951

활성
데이터 시트 지금 주문하기

제품 상세 정보

Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 3 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 0.9 Rail-to-rail In, Out GBW (typ) (MHz) 2.8 Slew rate (typ) (V/µs) 1.4 Vos (offset voltage at 25°C) (max) (mV) 2.8 Iq per channel (typ) (mA) 0.57 Vn at 1 kHz (typ) (nV√Hz) 25 Rating Catalog Operating temperature range (°C) -40 to 125 Offset drift (typ) (µV/°C) 0.15 Features Shutdown, Zero Crossover Input bias current (max) (pA) 80000 CMRR (typ) (dB) 93 Iout (typ) (A) 0.08 Architecture Bipolar Input common mode headroom (to negative supply) (typ) (V) -0.2 Input common mode headroom (to positive supply) (typ) (V) 0.2 Output swing headroom (to negative supply) (typ) (V) 0.013 Output swing headroom (to positive supply) (typ) (V) -0.017
Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 3 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 0.9 Rail-to-rail In, Out GBW (typ) (MHz) 2.8 Slew rate (typ) (V/µs) 1.4 Vos (offset voltage at 25°C) (max) (mV) 2.8 Iq per channel (typ) (mA) 0.57 Vn at 1 kHz (typ) (nV√Hz) 25 Rating Catalog Operating temperature range (°C) -40 to 125 Offset drift (typ) (µV/°C) 0.15 Features Shutdown, Zero Crossover Input bias current (max) (pA) 80000 CMRR (typ) (dB) 93 Iout (typ) (A) 0.08 Architecture Bipolar Input common mode headroom (to negative supply) (typ) (V) -0.2 Input common mode headroom (to positive supply) (typ) (V) 0.2 Output swing headroom (to negative supply) (typ) (V) 0.013 Output swing headroom (to positive supply) (typ) (V) -0.017
SOT-23-THN (DDC) 6 8.12 mm² (2.9 mm × 2.8 mm)
  • (Typical 1-V Supply, Unless Otherwise Noted)
  • Ensured 1-V, 380-µA Single-Supply Operation
  • Shutdown to 50-nA Supply Current
  • Wide 2.7-MHz Bandwidth
  • Rail-to-Rail Input With Zero Crossover
  • No Input IBIAS Current Reversal Over VCM Range
  • 1000-pF Output Drive Capability
  • High-Output Drive Capability
    • Sink Current: 35 mA
    • Source Current: 45 mA
  • Rail-to-Rail Buffered Output
    • At 600-Ω Load, 32 mV from Either Rail
    • At 2-kΩ Load, 12 mV from Either Rail
  • Temperature Range –40°C to 125°C
  • (Typical 1-V Supply, Unless Otherwise Noted)
  • Ensured 1-V, 380-µA Single-Supply Operation
  • Shutdown to 50-nA Supply Current
  • Wide 2.7-MHz Bandwidth
  • Rail-to-Rail Input With Zero Crossover
  • No Input IBIAS Current Reversal Over VCM Range
  • 1000-pF Output Drive Capability
  • High-Output Drive Capability
    • Sink Current: 35 mA
    • Source Current: 45 mA
  • Rail-to-Rail Buffered Output
    • At 600-Ω Load, 32 mV from Either Rail
    • At 2-kΩ Load, 12 mV from Either Rail
  • Temperature Range –40°C to 125°C

The LMV951 amplifier is capable of operating at supply voltages from 0.9 V to 3 V with specified specs at 1-V and 1.8-V single supply.

The input common-mode range extends to both power supply rails without the offset transition zone and input bias current reversal inherent to most rail-to-rail input amplifiers.

Contrary to a conventional rail-to-rail output amplifier, the LMV951 has a buffered output stage, providing an open-loop gain which is relatively unaffected by resistive output loading. At 1-V supply voltage, the LMV951 is able to source and sink in excess of
35 mA and offers a gain bandwidth product of 2.7 MHz.

In shutdown mode, the LMV951 consumes less than 50 nA of supply current.

The LMV951 amplifier is capable of operating at supply voltages from 0.9 V to 3 V with specified specs at 1-V and 1.8-V single supply.

The input common-mode range extends to both power supply rails without the offset transition zone and input bias current reversal inherent to most rail-to-rail input amplifiers.

Contrary to a conventional rail-to-rail output amplifier, the LMV951 has a buffered output stage, providing an open-loop gain which is relatively unaffected by resistive output loading. At 1-V supply voltage, the LMV951 is able to source and sink in excess of
35 mA and offers a gain bandwidth product of 2.7 MHz.

In shutdown mode, the LMV951 consumes less than 50 nA of supply current.
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기술 자료

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3개 모두 보기
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* 데이터 시트 LMV951 1-V, 2.7-MHz, Zero Crossover Rail-to-Rail Input and Output Amplifier With Shutdown datasheet (Rev. D) PDF | HTML 2015. 9. 23
e북 The Signal e-book: A compendium of blog posts on op amp design topics PDF | HTML 2017. 3. 28
애플리케이션 노트 Low-Voltage Current Loop Transmitter 2007. 8. 2

설계 및 개발

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시뮬레이션 모델

LMV951 PSPICE Model

SNOM029.ZIP (2 KB) - PSpice 모델
지원되는 제품 및 하드웨어
패키지 핀 CAD 기호, 풋프린트 및 3D 모델
SOT-23-THN (DDC) 6 Ultra Librarian
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