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Amplificadores operacionales (op amps)
Amplificadores operacionales de potencia

OPA547

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Amplificador operacional de alto voltaje y alta corriente con capacidad de desconexión

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OPA547

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Detalles del producto

Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 8 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 60 Iout (typ) (A) 0.5 GBW (typ) (MHz) 1 Slew rate (typ) (V/µs) 6 Vos (offset voltage at 25°C) (max) (mV) 5 Offset drift (typ) (µV/°C) 25 Iq per channel (typ) (mA) 10 Features Adj Current Limit, Shutdown Rating Catalog Operating temperature range (°C) -40 to 85 Input bias current (max) (pA) 500000 CMRR (typ) (dB) 95 Rail-to-rail In to V- Architecture Bipolar
Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 8 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 60 Iout (typ) (A) 0.5 GBW (typ) (MHz) 1 Slew rate (typ) (V/µs) 6 Vos (offset voltage at 25°C) (max) (mV) 5 Offset drift (typ) (µV/°C) 25 Iq per channel (typ) (mA) 10 Features Adj Current Limit, Shutdown Rating Catalog Operating temperature range (°C) -40 to 85 Input bias current (max) (pA) 500000 CMRR (typ) (dB) 95 Rail-to-rail In to V- Architecture Bipolar
TO-263 (KTW) 7 153.924 mm² (10.1 mm × 15.24 mm) TO-220 (KVT) 7 83.9216 mm² (10.16 mm × 8.26 mm) TO-220 (KC) 7 46.5328 mm² (10.16 mm × 4.58 mm)
  • WIDE SUPPLY RANGE
      Single Supply: +8V to +60V
      Dual Supply: ±4V to ±30V
  • HIGH OUTPUT CURRENT:
      500mA Continuous
  • WIDE OUTPUT VOLTAGE SWING
  • FULLY PROTECTED:
      Thermal Shutdown
      Adjustable Current Limit
  • OUTPUT DISABLE CONTROL
  • THERMAL SHUTDOWN INDICATOR
  • HIGH SLEW RATE: 6V/µs
  • LOW QUIESCENT CURRENT
  • PACKAGES:
      7-Lead TO-220, Zip and Straight Leads
      7-Lead DDPAK Surface-Mount
  • APPLICATIONS
    • VALVE, ACTUATOR DRIVERS
    • SYNCHRO, SERVO DRIVERS
    • POWER SUPPLIES
    • TEST EQUIPMENT
    • TRANSDUCER EXCITATION
    • AUDIO AMPLIFIERS
  • WIDE SUPPLY RANGE
      Single Supply: +8V to +60V
      Dual Supply: ±4V to ±30V
  • HIGH OUTPUT CURRENT:
      500mA Continuous
  • WIDE OUTPUT VOLTAGE SWING
  • FULLY PROTECTED:
      Thermal Shutdown
      Adjustable Current Limit
  • OUTPUT DISABLE CONTROL
  • THERMAL SHUTDOWN INDICATOR
  • HIGH SLEW RATE: 6V/µs
  • LOW QUIESCENT CURRENT
  • PACKAGES:
      7-Lead TO-220, Zip and Straight Leads
      7-Lead DDPAK Surface-Mount
  • APPLICATIONS
    • VALVE, ACTUATOR DRIVERS
    • SYNCHRO, SERVO DRIVERS
    • POWER SUPPLIES
    • TEST EQUIPMENT
    • TRANSDUCER EXCITATION
    • AUDIO AMPLIFIERS

The OPA547 is a low-cost, high-voltage/high-current operational amplifier ideal for driving a wide variety of loads. A laser-trimmed monolithic integrated circuit provides excellent low-level signal accuracy and high output voltage and current.

The OPA547 operates from either single or dual supplies for design flexibility. In single-supply operation, the input common-mode range extends below ground.

The OPA547 is internally protected against over-temperature conditions and current overloads. In addition, the OPA547 was designed to provide an accurate, user-selected current limit. Unlike other designs which use a "power" resistor in series with the output current path, the OPA547 senses the load indirectly. This allows the current limit to be adjusted from 0mA to 750mA with a 0 to 150 µA control signal. This is easily done with a resistor/potentiometer or controlled digitally with a voltage-out or current-out DAC.

The Enable/Status (E/S) pin provides two functions. An input on the pin not only disables the output stage to effectively disconnect the load, but also reduces the quiescent current to conserve power. The E/S pin output can be monitored to determine if the OPA547 is in thermal shutdown.

The OPA547 is available in an industry-standard 7-lead staggered and straight lead TO-220 package, and a 7-lead DDPAK surface-mount plastic power package. The copper tab allows easy mounting to a heat sink or circuit board for excellent thermal performance. It is specified for operation over the extended industrial temperature range, –40°C to +85°C.

The OPA547 is a low-cost, high-voltage/high-current operational amplifier ideal for driving a wide variety of loads. A laser-trimmed monolithic integrated circuit provides excellent low-level signal accuracy and high output voltage and current.

The OPA547 operates from either single or dual supplies for design flexibility. In single-supply operation, the input common-mode range extends below ground.

The OPA547 is internally protected against over-temperature conditions and current overloads. In addition, the OPA547 was designed to provide an accurate, user-selected current limit. Unlike other designs which use a "power" resistor in series with the output current path, the OPA547 senses the load indirectly. This allows the current limit to be adjusted from 0mA to 750mA with a 0 to 150 µA control signal. This is easily done with a resistor/potentiometer or controlled digitally with a voltage-out or current-out DAC.

The Enable/Status (E/S) pin provides two functions. An input on the pin not only disables the output stage to effectively disconnect the load, but also reduces the quiescent current to conserve power. The E/S pin output can be monitored to determine if the OPA547 is in thermal shutdown.

The OPA547 is available in an industry-standard 7-lead staggered and straight lead TO-220 package, and a 7-lead DDPAK surface-mount plastic power package. The copper tab allows easy mounting to a heat sink or circuit board for excellent thermal performance. It is specified for operation over the extended industrial temperature range, –40°C to +85°C.
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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 High-Voltage, High-Current Operational Amplifier datasheet (Rev. F) 21/07/2005
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 MTTF, Failrate, Reliability, and Life Testing 4/10/2000
Nota sobre la aplicación DC MOTOR SPEED CONTROLLER: Control a DC Motor without Tachometer Feedback 27/09/2000
Nota sobre la aplicación Power Amplifier Stress and Power Handling Limitations 27/09/2000

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

OPA547EVM — Módulo de evaluación OPA547

The OPA547EVM is a platform for evaluating the OPA547 in a variety of circuit configurations. Circuit configuations include inverting/non-inverting gain, single/dual power supply, internal/external load and external reference. Access is provided to the Enable/Shutdown pin and LED's provide visual (...)

Guía del usuario: PDF
Productos y hardware compatibles
En inventario
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No disponible
Modelo de simulación

OPA547 PSpice Model (Rev. B)

SBOM087A (25 KB) - Modelo PSpice
Productos y hardware compatibles
Modelo de simulación

OPA547 TINA-TI Reference Design (Rev. C)

SBOC113C.TSC (101 KB) - Diseño de referencia TINA-TI
Productos y hardware compatibles
Modelo de simulación

OPA547 TINA-TI Spice Model (Rev. A)

SBOM190A.ZIP (4 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
TO-263 (KTW) 7 Ultra Librarian
TO-220 (KVT) 7 Ultra Librarian
TO-220 (KC) 7 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.

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