AD5425YRMZ-REEL7

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1. DESCRIPTION

The AD5425YRMZ-REEL7 is a CMOS, 8-bit, current output digital-to-analog converter (DAC) that operates from a 2.5 V to 5.5 V power supply, making it suitable for battery-powered applications and many other applications. This DAC utilizes a double buffered, 3-wire serial interface that is compatible with SPI®, QSPI™, MICROWIRE™, and most DSP interface standards. An LDAC pin is also provided, which allows simultaneous updates in a multiDAC configuration. On power-up, the internal shift register and latches are filled with 0s and the DAC outputs are 0 V. As a result of manufacturing on a CMOS submicron process, this DAC offers 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 I to V precision amplifier. The AD5425YRMZ-REEL7 is available in a small, 10-lead MSOP package.

2. FEATURES

    1. 2.5 V to 5.5 V supply operation

    2. 50 MHz serial interface

    3. 2.47 MSPS update rate

    4. INL of ±0.25 LSB

    5. 10 MHz multiplying bandwidth

    6. ±10 V reference input

    7. Low glitch energy: <2 nV-s

    8. Extended temperature range: −40°C to +125°C

    9. 10-lead MSOP package

  10. Guaranteed monotonic 

  11. 4-quadrant multiplication

  12. Power-on reset with brownout detection LDAC function

  13. 0.4 µA typical power consumption

3. APPLICATIONS

    1. Portable battery-powered applications

    2. Waveform generators

    3. Analog processing

    4. Instrumentation applications

    5. Programmable amplifiers and attenuators

    6. Digitally controlled calibration

    7. Programmable filters and oscillators

    8. Composite video

    9. Ultrasound

  10. Gain, offset, and voltage trimming