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DAC7821 - 产品图解:
DAC7821-12 位并行输入乘法 DAC
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TI产品 - DAC7821介绍
DAC7821 - 12 位并行输入乘法 DAC

DAC7821是TI公司的一款精密DAC(=<10MSPS)产品,DAC7821是12 位并行输入乘法 DAC,本页介绍了DAC7821的产品说明、应用、特性等,并给出了与DAC7821相关的TI元器件型号供参考。

DAC7821 - 12 位并行输入乘法 DAC - 精密DAC(=<10MSPS) - 数模转换器 - TI公司(Texas Instruments,德州仪器)

产品描述

The DAC7821 is a CMOS 12-bit current output digital-to-analog converter (DAC). This device operates from a single 2.5V to 5.5V power supply, making it suitable for battery-powered and many other applications.

This DAC operates with a fast parallel interface. Data readback allows the user to read the contents of the DAC register via the DB pins. On power-up, the internal register and latches are filled with zeroes and the DAC outputs are at zero scale.

The DAC7821 offers excellent 4-quadrant multiplication characteristics, with a large signal multiplying bandwidth of 10MHz. The applied external reference input voltage (VREF) determines the full-scale output current. An integrated feedback resistor (RFB) provides temperature tracking and full-scale voltage output when combined with an external current-to-voltage precision amplifier.

The DAC7821 is available in a 20-lead TSSOP package.

产品特性

  • 2.5V to 5.5V Supply Operation
  • Fast ParallelInterface: 17ns Write Cycle
  • Update Rate of 20.4MSPS
  • 10MHz Multiplying Bandwidth
  • ±10V Reference Input
  • Low Glitch Energy: 5nV-s
  • Extended Temperature Range:-40°C to +125°C
  • 20-Lead TSSOP Packages
  • 12-Bit Monotonic
  • ±1LSB INL
  • 4-Quadrant Multiplication
  • Power-On Reset with Brownout Detection
  • Readback Function
  • Industry-Standard Pin Configuration
  • APPLICATIONS
    • Portable Battery-Powered Instruments
    • Waveform Generators
    • Analog Processing
    • Programmable Amplifiers and Attenuators
    • Digitally-Controlled Calibration
    • Programmable Filters and Oscillators
    • Composite Video
    • Ultrasound

All trademarks are the property of their respective owners.

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