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

OPA2674

ACTIVO

Amplificador operacional doble, de banda ancha, de alta corriente de salida y conductor de línea DSL

Se encuentra disponible una versión más nueva de este producto

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Reemplazo con funcionalidad mejorada del dispositivo comparado
OPA2675 ACTIVO Amplificador de retorno de corriente de banda ancha y doble canal con salida de alta potencia Wider bandwidth (700 MHz), higher slew rate (3000 V/us) and greater current-output capability (1A)

Detalles del producto

Architecture Current FB Number of channels 2 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 5.75 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 12 GBW (typ) (MHz) 250 BW at Acl (MHz) 250 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 2000 Vn at flatband (typ) (nV√Hz) 2 Vn at 1 kHz (typ) (nV√Hz) 2 Iq per channel (typ) (mA) 9 Vos (offset voltage at 25°C) (max) (mV) 4.5 Rail-to-rail No Features Adjustable BW/IQ/IOUT, Shutdown Rating Catalog Operating temperature range (°C) -40 to 85 CMRR (typ) (dB) 55 Input bias current (max) (pA) 25000000 Offset drift (typ) (µV/°C) 4 Iout (typ) (mA) 500 2nd harmonic (dBc) 72 3rd harmonic (dBc) 81 Frequency of harmonic distortion measurement (MHz) 5
Architecture Current FB Number of channels 2 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 5.75 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 12 GBW (typ) (MHz) 250 BW at Acl (MHz) 250 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 2000 Vn at flatband (typ) (nV√Hz) 2 Vn at 1 kHz (typ) (nV√Hz) 2 Iq per channel (typ) (mA) 9 Vos (offset voltage at 25°C) (max) (mV) 4.5 Rail-to-rail No Features Adjustable BW/IQ/IOUT, Shutdown Rating Catalog Operating temperature range (°C) -40 to 85 CMRR (typ) (dB) 55 Input bias current (max) (pA) 25000000 Offset drift (typ) (µV/°C) 4 Iout (typ) (mA) 500 2nd harmonic (dBc) 72 3rd harmonic (dBc) 81 Frequency of harmonic distortion measurement (MHz) 5
SOIC (D) 8 29.4 mm² (4.9 mm × 6 mm) SOIC (D) 14 51.9 mm² (8.65 mm × 6 mm)
  • WIDEBAND +12V OPERATION: 220MHz (G = +4)
  • UNITY-GAIN STABLE: 250MHz (G = +1)
  • HIGH OUTPUT CURRENT: 500mA
  • OUTPUT VOLTAGE SWING: 10VPP
  • HIGH SLEW RATE: 2000V/µs
  • LOW SUPPLY CURRENT: 18mA
  • FLEXIBLE POWER CONTROL: SO-14 Only
  • OUTPUT CURRENT LIMIT (±800mA)
  • APPLICATIONS
    • POWER LINE MODEM
    • xDSL LINE DRIVERS
    • CABLE MODEM DRIVERS
    • MATCHED I/Q CHANNEL AMPLIFIERS
    • BROADBAND VIDEO LINE DRIVERS
    • ARB LINE DRIVERS
    • HIGH CAP LOAD DRIVER

All trademarks are the property of their respective owners.

  • WIDEBAND +12V OPERATION: 220MHz (G = +4)
  • UNITY-GAIN STABLE: 250MHz (G = +1)
  • HIGH OUTPUT CURRENT: 500mA
  • OUTPUT VOLTAGE SWING: 10VPP
  • HIGH SLEW RATE: 2000V/µs
  • LOW SUPPLY CURRENT: 18mA
  • FLEXIBLE POWER CONTROL: SO-14 Only
  • OUTPUT CURRENT LIMIT (±800mA)
  • APPLICATIONS
    • POWER LINE MODEM
    • xDSL LINE DRIVERS
    • CABLE MODEM DRIVERS
    • MATCHED I/Q CHANNEL AMPLIFIERS
    • BROADBAND VIDEO LINE DRIVERS
    • ARB LINE DRIVERS
    • HIGH CAP LOAD DRIVER

All trademarks are the property of their respective owners.

The OPA2674 provides the high output current and low distortion required in emerging xDSL and Power Line Modem driver applications. Operating on a single +12V supply, the OPA2674 consumes a low 9mA/ch quiescent current to deliver a very high 500mA output current. This output current supports even the most demanding ADSL CPE requirements with > 380mA minimum output current (+25°C minimum value) with low harmonic distortion. Differential driver applications deliver < –85dBc distortion at the peak upstream power levels of full rate ADSL. The high 200MHz bandwidth also supports the most demanding VDSL line driver requirements.

Power control features are included in the SO-14 package version to allow system power to be minimized. Two logic control lines allow four quiescent power settings. These include full power, power cutback for short loops, idle state for no signal transmission but line match maintenance, and shutdown for power off with a high impedance output.

Specified on ±6V supplies (to support +12V operation), the OPA2674 will also support a single +5V or dual ±5V supply. Video applications will benefit from a very high output current to drive up to 10 parallel video loads (15Ω) with < 0.1%/0.1° dG/dP nonlinearity.

The OPA2674 provides the high output current and low distortion required in emerging xDSL and Power Line Modem driver applications. Operating on a single +12V supply, the OPA2674 consumes a low 9mA/ch quiescent current to deliver a very high 500mA output current. This output current supports even the most demanding ADSL CPE requirements with > 380mA minimum output current (+25°C minimum value) with low harmonic distortion. Differential driver applications deliver < –85dBc distortion at the peak upstream power levels of full rate ADSL. The high 200MHz bandwidth also supports the most demanding VDSL line driver requirements.

Power control features are included in the SO-14 package version to allow system power to be minimized. Two logic control lines allow four quiescent power settings. These include full power, power cutback for short loops, idle state for no signal transmission but line match maintenance, and shutdown for power off with a high impedance output.

Specified on ±6V supplies (to support +12V operation), the OPA2674 will also support a single +5V or dual ±5V supply. Video applications will benefit from a very high output current to drive up to 10 parallel video loads (15Ω) with < 0.1%/0.1° dG/dP nonlinearity.

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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 High Output Current Operational Amplifier with Current Limit datasheet (Rev. C) 28/08/2008
Artículo técnico 3 common questions when designing with high-speed amplifiers PDF | HTML 17/07/2020
Libro electrónico The Signal e-book: A compendium of blog posts on op amp design topics PDF | HTML 28/03/2017
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-SO-2D User's Guide (Rev. A) 25/05/2006
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 Stabilizing Current-Feedback Op Amps While Optimizing Circuit Performance 28/04/2004
Nota sobre la aplicación Measuring Board Parasitics in High-Speed Analog Design 7/07/2003
Nota sobre la aplicación Current Feedback Amplifiers: Review, Stability Analysis, and Applications 20/11/2000

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-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.

For more (...)

Productos y hardware compatibles
En inventario
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No disponible
Placa de evaluación

DEM-OPA-SO-2D — Módulo de evaluación de amplificador operacional doble para encapsulado SO-14

El dispositivo de demostración DEM-OPA-SO-2D es una placa de circuito impreso (PCB) genérica y sin componentes, diseñada para evaluar el funcionamiento y el rendimiento de los amplificadores operacionales dobles de alta velocidad de TI en encapsulados SO-14 (DDB), con función de desactivación.

Productos y hardware compatibles
En inventario
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Modelo de simulación

OPA2674 PSpice Model (Rev. A)

SBOC229A.ZIP (3 KB) - Modelo PSpice
Productos y hardware compatibles
Modelo de simulación

OPA2674 TINA-TI Reference Design

SBOMA23.TSC (2652 KB) - Diseño de referencia TINA-TI
Productos y hardware compatibles
Modelo de simulación

OPA2674 TINA-TI Spice Model

SBOMA24.ZIP (6 KB) - Modelo TINA-TI Spice
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
SOIC (D) 14 Ultra Librarian

Pedidos y calidad

Soporte y capacitación

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

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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