AD5428YRUZ-REEL7

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1. DESCRIPTION

The AD5428YRUZ-REEL7/AD5440/AD54471 are CMOS, 8-, 10-, and 12-bit, dual-channel, current output digital-to-analog converters (DACs), respectively. These devices operate from a 2.5 V to 5.5 V power supply, making them suited to battery-powered and other applications. As a result of being manufactured on a CMOS submicron process, they offer excellent 4-quadrant multiplication characteristics, with large signal multiplying bandwidths of up to 10 MHz. The DACs use data readback, allowing 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 0s, and the DAC outputs are at zero scale. ㈀he 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 AD5428YRUZ-REEL7 is available in a small 20-lead TSSOP package, and the AD5440/AD5447 DACs are available in small 24-lead TSSOP packages.

2. FEATURES

    1. 10 MHz multiplying bandwidth

    2. INL of ±0.25 LSB at 8 bits

    3. 20-lead and 24-lead TSSOP packages

    4. 2.5 V to 5.5 V supply operation

    5. ±10 V reference input

    6. 21.3 MSPS update rate

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

    8. 4-quadrant multiplication

    9. Power-on reset 

  10. 0.5 μA typical current consumption

  11. Guaranteed monotonic

  12. Readback function

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