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Amplificadores operacionales (op amps)
Amplificadores operacionales de alta velocidad (GBW ≥ 50 MHz)

OPA2822

ACTIVO

Amplificador operacional SpeedPlus™ de banda ancha dual y ruido bajo

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OPA2822

ACTIVO
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Detalles del producto

Architecture Voltage FB Number of channels 2 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 5 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 12 GBW (typ) (MHz) 400 BW at Acl (MHz) 400 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 170 Vn at flatband (typ) (nV√Hz) 2 Vn at 1 kHz (typ) (nV√Hz) 2 Iq per channel (typ) (mA) 4.8 Vos (offset voltage at 25°C) (max) (mV) 1.2 Rail-to-rail No Rating Catalog Operating temperature range (°C) -40 to 85 CMRR (typ) (dB) 110 Input bias current (max) (pA) 18000000 Offset drift (typ) (µV/°C) 5 Iout (typ) (mA) 150 2nd harmonic (dBc) 91 3rd harmonic (dBc) 100 Frequency of harmonic distortion measurement (MHz) 1
Architecture Voltage FB Number of channels 2 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 5 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 12 GBW (typ) (MHz) 400 BW at Acl (MHz) 400 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 170 Vn at flatband (typ) (nV√Hz) 2 Vn at 1 kHz (typ) (nV√Hz) 2 Iq per channel (typ) (mA) 4.8 Vos (offset voltage at 25°C) (max) (mV) 1.2 Rail-to-rail No Rating Catalog Operating temperature range (°C) -40 to 85 CMRR (typ) (dB) 110 Input bias current (max) (pA) 18000000 Offset drift (typ) (µV/°C) 5 Iout (typ) (mA) 150 2nd harmonic (dBc) 91 3rd harmonic (dBc) 100 Frequency of harmonic distortion measurement (MHz) 1
SOIC (D) 8 29.4 mm² (4.9 mm × 6 mm) VSSOP (DGK) 8 14.7 mm² (3 mm × 4.9 mm)
  • LOW INPUT NOISE VOLTAGE: 2.0nV/Hz
  • HIGH UNITY GAIN BANDWIDTH: 500MHz
  • HIGH GAIN BANDWIDTH PRODUCT: 240MHz
  • HIGH OUTPUT CURRENT: 90mA
  • SINGLE +5V TO +12V OPERATION
  • LOW SUPPLY CURRENT: 4.8mA/ch
  • APPLICATIONS
    • xDSL DIFFERENTIAL LINE RECEIVERS
    • HIGH DYNAMIC RANGE ADC DRIVERS
    • LOW NOISE PLL INTEGRATORS
    • TRANSIMPEDANCE AMPLIFIERS
    • PRECISION BASEBAND I/Q AMPLIFIERS
    • ACTIVE FILTERS

All trademarks are the property of their respective owners.
  • LOW INPUT NOISE VOLTAGE: 2.0nV/Hz
  • HIGH UNITY GAIN BANDWIDTH: 500MHz
  • HIGH GAIN BANDWIDTH PRODUCT: 240MHz
  • HIGH OUTPUT CURRENT: 90mA
  • SINGLE +5V TO +12V OPERATION
  • LOW SUPPLY CURRENT: 4.8mA/ch
  • APPLICATIONS
    • xDSL DIFFERENTIAL LINE RECEIVERS
    • HIGH DYNAMIC RANGE ADC DRIVERS
    • LOW NOISE PLL INTEGRATORS
    • TRANSIMPEDANCE AMPLIFIERS
    • PRECISION BASEBAND I/Q AMPLIFIERS
    • ACTIVE FILTERS

All trademarks are the property of their respective owners.

The OPA2822 offers very low 2.0nV/Hz input noise in a wideband, unity gain stable, voltage-feedback architecture. Intended for xDSL receiver applications, the OPA2822 also supports this low input noise with exceptionally low harmonic distortion, particularly in differential configurations. Adequate output current is provided to drive the potentially heavy load of a passive filter between this amplifier and the codec. Harmonic distortion for a 2Vpp differential output operating from +5V to +12V supplies is ≤ –100dBc through 1MHz input frequencies. Operating on a low 4.8mA/ch supply current, the OPA2822 can satisfy all xDSL receiver requirements over a wide range of possible supply voltages—from a single +5V condition, to ±5V, on up to a single +12V design.

General-purpose applications on a single +5V supply will benefit from high input and output voltage swing available on this reduced supply voltage. Low-cost precision integrators for PLLs will also benefit from the low voltage noise and offset voltage. Baseband I/Q receiver channels can achieve almost perfect channel match with noise and distortion to support signals through 5MHz with > 14-bit dynamic range.

The OPA2822 offers very low 2.0nV/Hz input noise in a wideband, unity gain stable, voltage-feedback architecture. Intended for xDSL receiver applications, the OPA2822 also supports this low input noise with exceptionally low harmonic distortion, particularly in differential configurations. Adequate output current is provided to drive the potentially heavy load of a passive filter between this amplifier and the codec. Harmonic distortion for a 2Vpp differential output operating from +5V to +12V supplies is ≤ –100dBc through 1MHz input frequencies. Operating on a low 4.8mA/ch supply current, the OPA2822 can satisfy all xDSL receiver requirements over a wide range of possible supply voltages—from a single +5V condition, to ±5V, on up to a single +12V design.

General-purpose applications on a single +5V supply will benefit from high input and output voltage swing available on this reduced supply voltage. Low-cost precision integrators for PLLs will also benefit from the low voltage noise and offset voltage. Baseband I/Q receiver channels can achieve almost perfect channel match with noise and distortion to support signals through 5MHz with > 14-bit dynamic range.
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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 Dual Wideband, Low-Noise Operational Amplifier datasheet (Rev. E) 28/08/2008
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 RLC Filter Design for ADC Interface Applications (Rev. A) 13/05/2015
Guía del usuario DEM-OPA-SO-2A User's Guide (Rev. B) 30/04/2010
Nota sobre la aplicación Wireline Data Transmission and Reception 27/01/2010
Guía del usuario DEM-OPA-MSOP-2A User's Guide (Rev. A) 25/05/2006
Nota sobre la aplicación Noise Analysis for High Speed Op Amps (Rev. A) 17/01/2005
Nota sobre la aplicación ADS5500, OPA695: PC Board Layout for Low Distortion High-Speed ADC Drivers 22/04/2004
Nota sobre la aplicación Measuring Board Parasitics in High-Speed Analog Design 7/07/2003

Diseño y desarrollo

Para conocer los términos adicionales o los recursos necesarios, haga clic en cualquier título de abajo para ver la página de detalles cuando esté disponible.

Placa de evaluación

DEM-OPA-MSOP-2A — Módulo de evaluación de amplificador operacional doble para encapsulado MSOP-8

The DEM-OPA-MSOP-2A demonstration fixture helps designers evaluate the operation and performance of TI's dual, high speed, wideband operational amplifiers. This unpopulated PC board is compatible with products offered in the 8-lead MSOP (DGK) package.
 
For more information on these types of op amps, (...)
Productos y hardware compatibles
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Placa de evaluación

DEM-OPA-SO-2A — Módulo de evaluación de amplificador operacional doble para encapsulado SO-8

The DEM-OPA-SO-2A demonstration evaluation module helps designers evaluate the operation and performance of TI dual-channel, high-speed, wideband operational amplifiers. This unpopulated printed-circuit board (PCB) is compatible with products offered in the 8-lead SOIC (D) package.

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Modelo de simulación

OPA2822 PSpice Model

SBOM157.ZIP (1 KB) - Modelo PSpice
Productos y hardware compatibles
Herramienta de cálculo

ANALOG-ENGINEER-CALC — PC software analog engineer's calculator

La calculadora del ingeniero analógico está diseñada para acelerar muchos de los cálculos repetitivos que los ingenieros de diseño de circuitos analógicos utilizan de forma habitual. Esta herramienta para PC proporciona una interfaz gráfica con una lista de varios cálculos comunes que van desde el (...)

Productos y hardware compatibles
Encapsulado Pines Símbolos CAD, huellas y modelos 3D
SOIC (D) 8 Ultra Librarian
VSSOP (DGK) 8 Ultra Librarian
Se aplican los Términos y condiciones estándar de TI para los elementos de evaluación.

Pedidos y calidad

Soporte y capacitación

Foros de TI E2E™ con asistencia técnica de los ingenieros de TI

Ver todos los temas del foro en inglés

El contenido lo proporcionan “tal como está” TI y los colaboradores de la comunidad y no constituye especificaciones de TI. Consulte los términos de uso.

Si tiene alguna pregunta sobre calidad, encapsulados o pedido de productos de TI, consulte el servicio de asistencia de TI. ​​​​​​​​​​​​​​

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