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數據轉換器
數位轉類比轉換器 (DAC)
精密 DAC (≤10 MSPS)

DAC8814

現行

16 位元、四路、序列輸入乘以數位轉類比轉換器

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產品規格表

DAC8814

現行
立即訂購

產品詳細資料

Resolution (Bits) 16 Number of DAC channels 4 Interface type SPI Output type Unbuffered Current INL (max) (±LSB) 1 Settling time (µs) 0.5 Reference type Ext Architecture Multiplying DAC Rating Catalog Features SDO Sample/update rate (Msps) 2 Power consumption (typ) (mW) 0.0275 Operating temperature range (°C) -40 to 85
Resolution (Bits) 16 Number of DAC channels 4 Interface type SPI Output type Unbuffered Current INL (max) (±LSB) 1 Settling time (µs) 0.5 Reference type Ext Architecture Multiplying DAC Rating Catalog Features SDO Sample/update rate (Msps) 2 Power consumption (typ) (mW) 0.0275 Operating temperature range (°C) -40 to 85
SSOP (DB) 28 79.56 mm² (10.2 mm × 7.8 mm)
  • Relative Accuracy: 1 LSB Max
  • Differential Nonlinearity: 1 LSB Max
  • 2-mA Full-Scale Current with VREF = ±10 V
  • 0.5-µs Settling Time
  • Midscale or Zero-Scale Reset
  • Four Separate 4Q Multiplying Reference Inputs
  • Reference Bandwidth: 10 MHz
  • Reference Dynamics: -105 dB THD
  • SPI™-Compatible 3-Wire Interface: 50 MHz
  • Double Buffered Registers Enable
  • Simultaneous Multichannel Change
  • Internal Power-On Reset
  • Industry-Standard Pin Configuration
  • APPLICATIONS
    • Automatic Test Equipment
    • Instrumentation
    • Digitally-Controlled Calibration

SPI is a trademark of Motorola, Inc.
All other trademarks are the property of their respective owners.
  • Relative Accuracy: 1 LSB Max
  • Differential Nonlinearity: 1 LSB Max
  • 2-mA Full-Scale Current with VREF = ±10 V
  • 0.5-µs Settling Time
  • Midscale or Zero-Scale Reset
  • Four Separate 4Q Multiplying Reference Inputs
  • Reference Bandwidth: 10 MHz
  • Reference Dynamics: -105 dB THD
  • SPI™-Compatible 3-Wire Interface: 50 MHz
  • Double Buffered Registers Enable
  • Simultaneous Multichannel Change
  • Internal Power-On Reset
  • Industry-Standard Pin Configuration
  • APPLICATIONS
    • Automatic Test Equipment
    • Instrumentation
    • Digitally-Controlled Calibration

SPI is a trademark of Motorola, Inc.
All other trademarks are the property of their respective owners.

The DAC8814 is a quad, 16-bit, current-output digital-to-analog converter (DAC) designed to operate from a single +2.7-V to 5.0-V supply.

The applied external reference input voltage VREF determines the full-scale output current. An internal feedback resistor (RFB) provides temperature tracking for the full-scale output when combined with an external I-to-V precision amplifier.

A doubled buffered serial data interface offers high-speed, 3-wire, SPI and microcontroller compatible inputs using serial data in (SDI), clock (CLK), and a chip-select (CS). In addition, a serial data out pin (SDO) allows for daisy-chaining when multiple packages are used. A common level-sensitive load DAC strobe (LDAC) input allows simultaneous update of all DAC outputs from previously loaded input registers. Additionally, an internal power-on reset forces the output voltage to zero at system turn on. An MSB pin allows system reset assertion (RS) to force all registers to zero code when MSB = 0, or to half-scale code when MSB = 1.

The DAC8814 is available in an SSOP package.

The DAC8814 is a quad, 16-bit, current-output digital-to-analog converter (DAC) designed to operate from a single +2.7-V to 5.0-V supply.

The applied external reference input voltage VREF determines the full-scale output current. An internal feedback resistor (RFB) provides temperature tracking for the full-scale output when combined with an external I-to-V precision amplifier.

A doubled buffered serial data interface offers high-speed, 3-wire, SPI and microcontroller compatible inputs using serial data in (SDI), clock (CLK), and a chip-select (CS). In addition, a serial data out pin (SDO) allows for daisy-chaining when multiple packages are used. A common level-sensitive load DAC strobe (LDAC) input allows simultaneous update of all DAC outputs from previously loaded input registers. Additionally, an internal power-on reset forces the output voltage to zero at system turn on. An MSB pin allows system reset assertion (RS) to force all registers to zero code when MSB = 0, or to half-scale code when MSB = 1.

The DAC8814 is available in an SSOP package.
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DAC8812 現行 16 位元、雙序列輸入倍頻數位轉類比轉換器 2-channel device

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* 資料表 Quad, Serial Input 16-Bit Multiplying Digital-to-Analog Converter datasheet (Rev. D) 2006/9/27

設計與開發

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開發板

DAC8814EVM — DAC8814 評估模組

EVM 可對 DAC8814 裝置進行完整的性能和操作分析。此設計包括四個外部緩衝器和一個 DPDT 開關，允許單極和雙極輸出運作。DAC8803-14EVM 採用 TI 的模組化外型尺寸設計。這種外型尺寸允許透過介面板 (如 5-6K 介面和 HPA-MCU 介面板) 連接多個 TI DSK。

使用指南: PDF
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DXP — DXP EVM GUI

DAC 操作器程序 (DXP) 是一款德州儀器的軟體工具，無需昂貴的模式產生器或編寫複雜軟體，即可評估 DAC。搭配德州儀器 DAC EVM 和模組化主機板使用時，可為 DAC 產生簡單易用的數位訊號，以產生用於量測和評估用途的類比輸出。

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支援軟體

SLOC057 — ItoVPro Application Software for High Speed Amplifiers Voltage Feedback Devices

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模擬型號

DAC8814 IBIS Model

SBAM066.ZIP (27 KB) - IBIS 模型
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設計工具

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.
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SSOP (DB) 28 Ultra Librarian
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