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

DAC8734

現行

16 位元四路高精度 +/-16.5V 輸出數位轉類比轉換器

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DAC81404 現行 具精確內部參考的四通道、16 位元高電壓輸出 DAC Up to 40V output range

DAC8734

現行
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產品詳細資料

Resolution (Bits) 16 Number of DAC channels 4 Interface type SPI Output type Buffered Voltage Output voltage range (V) -10 to 10, -5 to 5, 0 to 10, 0 to 20 INL (max) (±LSB) 1 Settling time (µs) 6 Reference type Ext Architecture R-2R Rating Catalog Features On-chip Offset and Gain Calibration, SDO Sample/update rate (Msps) 0.125 Power consumption (typ) (mW) 280 Operating temperature range (°C) -40 to 105
Resolution (Bits) 16 Number of DAC channels 4 Interface type SPI Output type Buffered Voltage Output voltage range (V) -10 to 10, -5 to 5, 0 to 10, 0 to 20 INL (max) (±LSB) 1 Settling time (µs) 6 Reference type Ext Architecture R-2R Rating Catalog Features On-chip Offset and Gain Calibration, SDO Sample/update rate (Msps) 0.125 Power consumption (typ) (mW) 280 Operating temperature range (°C) -40 to 105
VQFN (RHA) 40 36 mm² (6 mm × 6 mm) TQFP (PFB) 48 81 mm² (9 mm × 9 mm)
  • Bipolar Output: Up to ±16V
  • Unipolar Output: 0V to +20V
  • 16-Bit Monotonic
  • Relative Accuracy: 1 LSB Max
  • Low Zero and Gain Errors
    • Before User Calibration: 4 LSB
    • After User Calibration:
      0.125 LSB Zero Error, 1 LSB Gain Error
  • Low Noise: 60nV/Hz
  • Settling Time: 6µs
  • Configurable Gain: x2/x4
  • Analog Output Monitor
  • Power-Down Mode
  • SPI: Up to 50MHz, 1.8V/3V/5V Logic
  • Daisy-Chain Mode
  • Operating Temperature: -40°C to +105°C
  • Packages: QFN-40 (6x6mm), TQFP-48 (7x7mm)
  • APPLICATIONS
    • Automatic Test Equipment
    • Instrumentation
    • Industrial Process Control
    • Communications

All trademarks are the property of their respective owners.
  • Bipolar Output: Up to ±16V
  • Unipolar Output: 0V to +20V
  • 16-Bit Monotonic
  • Relative Accuracy: 1 LSB Max
  • Low Zero and Gain Errors
    • Before User Calibration: 4 LSB
    • After User Calibration:
      0.125 LSB Zero Error, 1 LSB Gain Error
  • Low Noise: 60nV/Hz
  • Settling Time: 6µs
  • Configurable Gain: x2/x4
  • Analog Output Monitor
  • Power-Down Mode
  • SPI: Up to 50MHz, 1.8V/3V/5V Logic
  • Daisy-Chain Mode
  • Operating Temperature: -40°C to +105°C
  • Packages: QFN-40 (6x6mm), TQFP-48 (7x7mm)
  • APPLICATIONS
    • Automatic Test Equipment
    • Instrumentation
    • Industrial Process Control
    • Communications

All trademarks are the property of their respective owners.

The DAC8734 is a high-accuracy, quad-channel, 16-bit digital-to-analog converter (DAC) that operates from supply voltages of ±5V to ±18V in bipolar output mode, and from ±5V to +24V/-12V in unipolar mode. With a 5V reference, the DAC8734 can be configured to output ±10V, ±5V, 0V to 20V, or 0V to 10V. The DAC8734 provides 16-bit monotonicity, excellent integral nonlinearity (INL) error of ±1 LSB, low glitch, and low noise over the operating temperature range of -40°C to +105°C. This device is trimmed in production for very low zero and gain errors. In addition, the DAC8734 implements a user-programmable system-level calibration function to achieve ±0.125 LSB zero error and ±1 LSB gain error.

The DAC8734 has integrated reference buffers and output buffers. It features a standard high-speed 1.8V, 3V, or 5V serial peripheral interface (SPI) that operates at clock rates of up to 50MHz to communicate with a DSP or microprocessor. The four DAC channels and the auxiliary registers are addressed with four address bits. The device features double-buffered interface logic for simultaneous updates of all DACs. An asynchronous load input (LDAC) transfers data from the input data register to the DAC latch, and the contents of the DAC latch set the output voltage. The asynchronous RST input sets the output of all four DACs to 0V. The VMON pin is an analog monitor output that multiplexes the individual DAC outputs or the AIN pin.

The DAC8734 is pin-compatible with the DAC8234 (14-bit) and the DAC7716 (12-bit).

The DAC8734 is a high-accuracy, quad-channel, 16-bit digital-to-analog converter (DAC) that operates from supply voltages of ±5V to ±18V in bipolar output mode, and from ±5V to +24V/-12V in unipolar mode. With a 5V reference, the DAC8734 can be configured to output ±10V, ±5V, 0V to 20V, or 0V to 10V. The DAC8734 provides 16-bit monotonicity, excellent integral nonlinearity (INL) error of ±1 LSB, low glitch, and low noise over the operating temperature range of -40°C to +105°C. This device is trimmed in production for very low zero and gain errors. In addition, the DAC8734 implements a user-programmable system-level calibration function to achieve ±0.125 LSB zero error and ±1 LSB gain error.

The DAC8734 has integrated reference buffers and output buffers. It features a standard high-speed 1.8V, 3V, or 5V serial peripheral interface (SPI) that operates at clock rates of up to 50MHz to communicate with a DSP or microprocessor. The four DAC channels and the auxiliary registers are addressed with four address bits. The device features double-buffered interface logic for simultaneous updates of all DACs. An asynchronous load input (LDAC) transfers data from the input data register to the DAC latch, and the contents of the DAC latch set the output voltage. The asynchronous RST input sets the output of all four DACs to 0V. The VMON pin is an analog monitor output that multiplexes the individual DAC outputs or the AIN pin.

The DAC8734 is pin-compatible with the DAC8234 (14-bit) and the DAC7716 (12-bit).
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重要文件 類型 標題 格式選項 下載最新的英文版本 日期
* 資料表 Quad, 16-Bit, High-Accuracy, ±16V Output, Serial Input D/A Converter datasheet (Rev. A) 2009/9/1
Circuit design 來自 +5V 供電電源且用於高電壓資料轉換器的精密、±15V 電 源供應電路 PDF | HTML Download English Version PDF | HTML 2025/12/9
Circuit design Output Overvoltage Protection Circuit for Voltage DACs With an External Feedback Pin PDF | HTML 2025/7/29

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開發板

DAC8734EVM — DAC8734 評估模組

The DAC8734EVM features the DAC8734 digital to analog converter. The EVM module provides a quick and easy way to evaluate the functionality and performance of this high resolution serial input Digital to Analog Converter (DAC). The DAC8734EVM is designed to work by default for bipolar output range, (...)

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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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模擬型號

DAC8734 IBIS Model

SBAM085.ZIP (84 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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