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Convertidores digital-analógicos (DAC)
DAC de precisión (≤ 10 MSPS)

DAC61408

ACTIVO

DAC de salida de alta tensión y 8 canales de 12 bits con referencia interna integrada

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DAC61408

ACTIVO
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Detalles del producto

Resolution (Bits) 12 Number of DAC channels 8 Interface type SPI Output type Buffered Voltage Output voltage range (V) -10 to 10, -2.5 to 2.5, -20 to 20, -5 to 5 INL (max) (±LSB) 1 Settling time (µs) 12 Reference type Int Architecture R-2R Rating Catalog Features Integrated Temp Sensor Power consumption (typ) (mW) 315 Operating temperature range (°C) -40 to 125
Resolution (Bits) 12 Number of DAC channels 8 Interface type SPI Output type Buffered Voltage Output voltage range (V) -10 to 10, -2.5 to 2.5, -20 to 20, -5 to 5 INL (max) (±LSB) 1 Settling time (µs) 12 Reference type Int Architecture R-2R Rating Catalog Features Integrated Temp Sensor Power consumption (typ) (mW) 315 Operating temperature range (°C) -40 to 125
VQFN (RHA) 40 36 mm² (6 mm × 6 mm)
  • Performance
    • Specified Monotonic at 16-Bit Resolution
    • INL: ±1 LSB Maximum at 16-Bit Resolution
    • TUE: ±0.1% of FSR Maximum
  • Integrated 2.5-V Precision Internal Reference
    • Initial Accuracy: ±2.5 mV Maximum
    • Low Drift: 5 ppm/˚C Typical
  • Flexible Output Configuration
    • Output Range: ±2.5 V, ±5 V, ±10 V, ±20 V
      0 to 5 V, 0 to 10 V, 0 to 20 V, 0 to 40 V
    • Differential Output Mode
  • High Drive Capability: ±25 mA with 1.5 V from Supply Rails
  • Three Dedicated A-B Toggle Pins for Dither Signal Generation
  • Analog Temperature Output
    • Sensor Gain of –4 mV/˚C
  • 50-MHz SPI Compatible Serial Interface
    • 4-Wire Mode, 1.7-V to 5.5-V Operation
    • Daisy Chain Operation
    • CRC Error Check
  • Temperature Range: –40˚C to +125˚C
  • Small Package
    • 6 mm × 6 mm, 40-Pin VQFN
  • Performance
    • Specified Monotonic at 16-Bit Resolution
    • INL: ±1 LSB Maximum at 16-Bit Resolution
    • TUE: ±0.1% of FSR Maximum
  • Integrated 2.5-V Precision Internal Reference
    • Initial Accuracy: ±2.5 mV Maximum
    • Low Drift: 5 ppm/˚C Typical
  • Flexible Output Configuration
    • Output Range: ±2.5 V, ±5 V, ±10 V, ±20 V
      0 to 5 V, 0 to 10 V, 0 to 20 V, 0 to 40 V
    • Differential Output Mode
  • High Drive Capability: ±25 mA with 1.5 V from Supply Rails
  • Three Dedicated A-B Toggle Pins for Dither Signal Generation
  • Analog Temperature Output
    • Sensor Gain of –4 mV/˚C
  • 50-MHz SPI Compatible Serial Interface
    • 4-Wire Mode, 1.7-V to 5.5-V Operation
    • Daisy Chain Operation
    • CRC Error Check
  • Temperature Range: –40˚C to +125˚C
  • Small Package
    • 6 mm × 6 mm, 40-Pin VQFN

The DAC81408, DAC71408, and DAC61408 (DACx1408) are a pin-compatible family of 8-channel, buffered, high-voltage output digital-to-analog converters (DACs) with 16-, 14- and 12-bit resolution. The DACx1408 includes a low drift, 2.5-V internal reference, eliminating the need for an external precision reference in most applications. These devices are specified monotonic and provide high linearity of ±1 LSB INL.

A user selectable output configuration enables full-scale bipolar output voltages: ±20 V, ±10 V, ±5 V or ±2.5 V and full-scale unipolar output voltages: 40 V, 20 V, 10 V or 5 V. The full-scale output range for each DAC channel is independently programmable. The integrated DAC output buffers can sink or source up to 25 mA thus limiting the need of additional operational amplifiers. Each pair of channels can be configured to provide a differential output with offset calibration. The three dedicated A-B toggle pins enable dither signal generation with up to three possible frequencies.

The DACx1408 incorporates a power-on-reset circuit that connects the DAC outputs to ground at power-up. The outputs remain at this state until the device registers are properly configured for operation.

Communication to the DACx1408 is performed through a 4-wire serial interface that supports operation from 1.7 V to 5.5 V.

The DAC81408, DAC71408, and DAC61408 (DACx1408) are a pin-compatible family of 8-channel, buffered, high-voltage output digital-to-analog converters (DACs) with 16-, 14- and 12-bit resolution. The DACx1408 includes a low drift, 2.5-V internal reference, eliminating the need for an external precision reference in most applications. These devices are specified monotonic and provide high linearity of ±1 LSB INL.

A user selectable output configuration enables full-scale bipolar output voltages: ±20 V, ±10 V, ±5 V or ±2.5 V and full-scale unipolar output voltages: 40 V, 20 V, 10 V or 5 V. The full-scale output range for each DAC channel is independently programmable. The integrated DAC output buffers can sink or source up to 25 mA thus limiting the need of additional operational amplifiers. Each pair of channels can be configured to provide a differential output with offset calibration. The three dedicated A-B toggle pins enable dither signal generation with up to three possible frequencies.

The DACx1408 incorporates a power-on-reset circuit that connects the DAC outputs to ground at power-up. The outputs remain at this state until the device registers are properly configured for operation.

Communication to the DACx1408 is performed through a 4-wire serial interface that supports operation from 1.7 V to 5.5 V.
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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 DACx1408 8-Channel, 16-,14-,12-Bit, High-Voltage Output DACs with Internal Reference datasheet (Rev. A) PDF | HTML 29/11/2018
Nota sobre la aplicación Precision Data Converter Selection Guide PDF | HTML 14/05/2026
Nota sobre la aplicación A Simple, Java-Based CRC Calculator PDF | HTML 4/03/2026
Circuit design Precision, ±15V Power Supply Circuit from a +5V Source for High-Voltage Data Converters PDF | HTML 4/12/2025
Circuit design Output Overvoltage Protection Circuit for Voltage DACs Without an External Feedback Pin PDF | HTML 18/06/2025
Nota sobre la aplicación Optimized Power-Supply Circuit Solution for DAC81416 High-Voltage Output PDF | HTML 19/09/2021

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

DAC81416-08EVM — Módulo de evaluación DAC81416-08

El DAC81416-08EVM es una plataforma fácil de usar para evaluar la funcionalidad y el rendimiento de los dispositivos DAC81416 y DAC81408. La placa viene con el DAC81416 instalado. El DAC81416-08EVM dispone de circuitos y puentes opcionales para configurar el dispositivo para diferentes aplicaciones.
Guía del usuario: PDF | HTML
Productos y hardware compatibles
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Modelo de simulación

DAC81408 IBIS Model

SLAM335.ZIP (87 KB) - Modelo IBIS
Productos y hardware compatibles
Herramienta de diseño

ADC-DAC-TO-VREF-SELECT-DESIGN-TOOL — The ADC-TO-VREF-SELECT tool enables the pairing of TI ADCs, DACs, and series voltage references.

The ADC-TO-VREF-SELECT tool enables the pairing of TI analog-to-digital converters (ADCs) and series voltage references. Users can select an ADC device and the desired reference voltage, and the tool will list up to two voltage reference recommendations.
Productos y hardware compatibles
Encapsulado Pines Símbolos CAD, huellas y modelos 3D
VQFN (RHA) 40 Ultra Librarian
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Pedidos y calidad

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Soporte y capacitación

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

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