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Amplificadores operacionales (op amps)
Amplificadores de propósito general

LMV951

ACTIVO

Amplificador operacional simple de 3 V, 2,8 MHz, alimentación mínima de 0,9 V, corriente de salida d

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Misma funcionalidad con diferente configuración de pines que el dispositivo comparado
OPA310 ACTIVO Amplificador operacional único de 5.5 V y 3 MHz de alta corriente de salida (150 mA) y desconexión r Higher GBW (3MHz), better accuracy (1.4mV Vos max), lower noise (18nV/√Hz), higher output current (150mA)

LMV951

ACTIVO
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Detalles del producto

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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Documentación técnica

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Documentación principal Tipo Título Opciones de formato Descargar la versión más reciente en inglés Fecha
* Hoja de datos LMV951 1-V, 2.7-MHz, Zero Crossover Rail-to-Rail Input and Output Amplifier With Shutdown datasheet (Rev. D) PDF | HTML 23/09/2015
Libro electrónico The Signal e-book: A compendium of blog posts on op amp design topics PDF | HTML 28/03/2017
Nota sobre la aplicación Low-Voltage Current Loop Transmitter 2/08/2007

Diseño y desarrollo

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Modelo de simulación

LMV951 PSPICE Model

SNOM029.ZIP (2 KB) - Modelo PSpice
Productos y hardware compatibles
Encapsulado Pines Símbolos CAD, huellas y modelos 3D
SOT-23-THN (DDC) 6 Ultra Librarian
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