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AD产品 - AD5426介绍

AD5426 - 8-Bit High Bandwidth Multiplying DACs with Serial Interface

AD5426是AD公司的一款数模转换器 (DAC)产品，AD5426是8-Bit High Bandwidth Multiplying DACs with Serial Interface，本站介绍了AD5426的封装应用图解、特点和优点、功能等，并给出了与AD5426相关的AD元器件型号供参考。

AD5426 - 8-Bit High Bandwidth Multiplying DACs with Serial Interface - 数模转换器 (DAC) - 数模转换器 (DAC) - Analog Devices

产品描述

The AD5426/AD5432/AD5443 are CMOS 8-, 10-, and 12-bit current output digital-to-analog converters (DACs), respectively. These devices operate from a 2.5 V to 5.5 V power supply, making them suitable for battery-powered applications and many other applications.

These DACs use a double buffered, 3-wire serial interface that is compatible with SPI, QSPI™, MICROWIRE™, and most DSP interface standards. In addition, a serial data out pin (SDO) allows for daisy-chaining when multiple packages are used. Data readback allows the user to read the contents of the DAC register via the SDO pin. On power-up, the internal shift register and latches are filled with 0s and the DAC outputs are at zero scale.

As a result of manufacturing on a CMOS submicron process, the parts offer excellent 4-quadrant multiplication characteristics with large signal multiplying bandwidths of 10 MHz. 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 AD5426/AD5432/AD5443 DACs are available in small, 10-lead MSOP packages.

The EVAL-AD5443SDZ/EVAL-AD5446SDZ/EVAL-AD5453SDZ evaluation board is available for evaluating DAC performance. For more information, see the UG-327 evaluation board user guide.

Applications

  • Portable battery-powered applications
  • Waveform generators
  • Instrumentation
  • Programmable amplifiers and attenuators
  • Digitally controlled calibration
  • Programmable filters and oscillators
  • Composite video
  • Ultrasound
  • Gain, offset, and voltage trimming
    • 优势和特点
  • +2.5 V to +5.5 V Supply Operation
  • 50 MHz Serial Interface
  • 10 MHz Multiplying Bandwidth
  • 2.5 MSPS update rate
  • ±10 V reference input
  • Low glitch energy < 2 nV-s
  • Pin Compatible 8- (AD5426), 10- (AD5432) Current Output DACs
  • Pin Compatible 12-Bit (AD5443) Current Output DACs
  • Guaranteed Monotonic
  • Four Quadrant Multiplication
  • Power On reset with brownout detection
  • Daisy Chain Mode
  • Readback Function
  • 0.4 μA typical power consumption
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