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

DAC8568

ACTIVO

DAC de salida de tensión de 16 bits, canal octal, fallas ultrabajas, con referencia interna de 2.5 V

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DAC8568

ACTIVO
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Detalles del producto

Resolution (Bits) 16 Number of DAC channels 8 Interface type SPI Output type Buffered Voltage Output voltage range (V) 0 to 5.5 INL (max) (±LSB) 12 Settling time (µs) 5 Reference type Ext, Int Architecture String Rating Catalog Features Current source/sink DAC, Reset to Mid-Scale Sample/update rate (Msps) 0.1 Power consumption (typ) (mW) 2.2 Operating temperature range (°C) -40 to 125 Product type Precision DAC
Resolution (Bits) 16 Number of DAC channels 8 Interface type SPI Output type Buffered Voltage Output voltage range (V) 0 to 5.5 INL (max) (±LSB) 12 Settling time (µs) 5 Reference type Ext, Int Architecture String Rating Catalog Features Current source/sink DAC, Reset to Mid-Scale Sample/update rate (Msps) 0.1 Power consumption (typ) (mW) 2.2 Operating temperature range (°C) -40 to 125 Product type Precision DAC
TSSOP (PW) 16 32 mm² (5 mm × 6.4 mm)
  • Relative Accuracy:
    • DAC7568 (12-Bit): 0.3 LSB INL
    • DAC8168 (14-Bit): 1 LSB INL
    • DAC8568 (16-Bit): 4 LSB INL
  • Glitch Energy: 0.1nV-s
  • Internal Reference:
    • 2.5V Reference Voltage (disabled by default)
    • 0.004% Initial Accuracy (typ)
    • 2ppm/°C Temperature Drift (typ)
    • 5ppm/°C Temperature Drift (max)
    • 20mA Sink/Source Capability
  • Power-On Reset to Zero Scale or Midscale
  • Ultralow Power Operation: 1.25mA at 5V Including Internal Reference Current
  • Wide Power-Supply Range: +2.7V to +5.5V
  • Monotonic Over Entire Temperature Range
  • Low-Power Serial Interface with Schmitt-Triggered Inputs: Up to 50MHz
  • On-Chip Output Buffer Amplifier with Rail-to-Rail Operation
  • Temperature Range: –40°C to +125°C
  • Relative Accuracy:
    • DAC7568 (12-Bit): 0.3 LSB INL
    • DAC8168 (14-Bit): 1 LSB INL
    • DAC8568 (16-Bit): 4 LSB INL
  • Glitch Energy: 0.1nV-s
  • Internal Reference:
    • 2.5V Reference Voltage (disabled by default)
    • 0.004% Initial Accuracy (typ)
    • 2ppm/°C Temperature Drift (typ)
    • 5ppm/°C Temperature Drift (max)
    • 20mA Sink/Source Capability
  • Power-On Reset to Zero Scale or Midscale
  • Ultralow Power Operation: 1.25mA at 5V Including Internal Reference Current
  • Wide Power-Supply Range: +2.7V to +5.5V
  • Monotonic Over Entire Temperature Range
  • Low-Power Serial Interface with Schmitt-Triggered Inputs: Up to 50MHz
  • On-Chip Output Buffer Amplifier with Rail-to-Rail Operation
  • Temperature Range: –40°C to +125°C

The DAC7568, DAC8168, and DAC8568 are low-power, voltage-output, eight-channel, 12-, 14-, and 16-bit digital-to-analog converters (DACs), respectively. These devices include a 2.5V, 2ppm/°C internal reference (disabled by default), giving a full-scale output voltage range of 2.5V or 5V. The internal reference has an initial accuracy of 0.004% and can source up to 20mA at the VREFIN/VREFOUT pin. These devices are monotonic, providing excellent linearity and minimizing undesired code-to-code transient voltages (glitch). They use a versatile 3-wire serial interface that operates at clock rates up to 50MHz. The interface is compatible with standard SPI™, QSPI™, Microwire™, and digital signal processor (DSP) interfaces.

The DAC7568, DAC8168, and DAC8568 incorporate a power-on-reset circuit that ensures the DAC output powers up at either zero scale or midscale until a valid code is written to the device. These devices contain a power-down feature, accessed over the serial interface, that reduces current consumption to typically 0.18µA at 5V. Power consumption (including internal reference) is typically 2.9mW at 3V, reducing to less than 1µW in power-down mode. The low power consumption, internal reference, and small footprint make these devices ideal for portable, battery-operated equipment.

The DAC7568, DAC8168, and DAC8568 are drop-in and function-compatible with each other, and are available in TSSOP-16 and TSSOP-14 packages.

The DAC7568, DAC8168, and DAC8568 are low-power, voltage-output, eight-channel, 12-, 14-, and 16-bit digital-to-analog converters (DACs), respectively. These devices include a 2.5V, 2ppm/°C internal reference (disabled by default), giving a full-scale output voltage range of 2.5V or 5V. The internal reference has an initial accuracy of 0.004% and can source up to 20mA at the VREFIN/VREFOUT pin. These devices are monotonic, providing excellent linearity and minimizing undesired code-to-code transient voltages (glitch). They use a versatile 3-wire serial interface that operates at clock rates up to 50MHz. The interface is compatible with standard SPI™, QSPI™, Microwire™, and digital signal processor (DSP) interfaces.

The DAC7568, DAC8168, and DAC8568 incorporate a power-on-reset circuit that ensures the DAC output powers up at either zero scale or midscale until a valid code is written to the device. These devices contain a power-down feature, accessed over the serial interface, that reduces current consumption to typically 0.18µA at 5V. Power consumption (including internal reference) is typically 2.9mW at 3V, reducing to less than 1µW in power-down mode. The low power consumption, internal reference, and small footprint make these devices ideal for portable, battery-operated equipment.

The DAC7568, DAC8168, and DAC8568 are drop-in and function-compatible with each other, and are available in TSSOP-16 and TSSOP-14 packages.
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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 DAC7568, DAC8168, DAC8568 12-/14-/16-Bit, Octal-Channel, Ultralow Glitch, Voltage Output, Digital-to-Analog Converters with 2.5-V 2-ppm/°C Internal Reference datasheet (Rev. F) PDF | HTML 6/04/2018
Guía del usuario BOOST-DAC8568 Getting Started Guide 7/06/2016

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

BOOST-DAC8568 — DAC BoosterPack de 16 bits, bajo consumo, salida de tensión y 8 canales DAC8568

La BOOST-DAC8568 (Booster Pack) es una plataforma fácil de utilizar que se conecta con el LaunchPad MSP430F5529.  El dispositivo DAC8568 es un convertidor digital a analógico (DAC) de 16 bit, 8 canales con salida de tensión y baja potencia.  Este dispositivo incluye una referencia interna de 2.5 V, (...)
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En inventario
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Placa de evaluación

DAC8568EVM — Módulo de evaluación DAC8568

The DACxx68 EVM is an evaluation module designed for the prototyping and evaluation of the DAC7568, DAC8168 and DAC8568 digital to analog converters (DAC). These 12 to 16-bit, eight channel string DACs operate with a high speed serial clock (up to 50MHz) and offer excellent performance with ultra (...)

Guía del usuario: PDF
Productos y hardware compatibles
En inventario
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No disponible
Firmware

SBAC151 — BOOST-DAC8568 Firmware

Productos y hardware compatibles
Soporte de software

DXP — DXP EVM GUI

El DAC Exerciser Program (DXP) es una herramienta de software de TI para evaluar los DAC sin la necesidad de generadores de patrones costosos o escribir software complejo. Cuando se utiliza con un EVM DAC de TI y una placa madre modular, ofrece una generación simple y fácil de señales digitales, lo (...)

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Modelo de simulación

DAC8568 IBIS Model (Rev. A)

SBAM030 (1012 KB) - Modelo IBIS
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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
TSSOP (PW) 16 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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