AD5721BRUZ-RL7

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1. DESCRIPTION

The AD5721BRUZ-RL7 are single channel, 16-bit serial input, voltage output, digital-to-analog converters (DACs). They operate from single supply voltages from +4.75 V to +30 V or dual supply voltages from −16.5 V to 0 V VSS and +4.75 V to +16.5 V VDD. The integrated output amplifier and reference buffer provide a very easy to use, universal solution. The devices offer guaranteed monotonicity, integral nonlinearity (INL) of ±2 LSB maximum, 35 nV/√Hz noise, and 7.5 μs settling time on selected ranges. The AD5721BRUZ-RL7 use a serial interface that operates at clock rates of up to 50 MHz and are compatible with DSP and microcontroller interface standards. Double buffering allows the asynchronous updating of the DAC output. The input coding is user-selectable twos complement or straight binary. The asynchronous reset function resets all registers to their default state. The output range is user selectable, via the RA[2:0] bits in the control register. The devices available in the 16-lead TSSOP and in the 16-lead LFCSP offer guaranteed specifications over the −40°C to +125°C industrial temperature range.

2. FEATURES

    1. 8 software-programmable output ranges: 0 V to +5 V, 0 V to +10 V, 0 V to +16 V, 0 V to +20 V, ±3 V, ±5 V, ±10 V, −2.5 V to +7.5 V; 5% overrange

    2. Total unadjusted error (TUE): 0.1% FSR maximum

    3. 16-bit resolution: ±2 LSB maximum INL

    4. Guaranteed monotonicity: ±1 LSB maximum

    5. Single channel, 16-/12-bit DACs

    6. Settling time: 7.5 μs typical

    7. Integrated reference buffers

    8. Low noise: 35 nV/√Hz

    9. Low glitch: 1 nV-sec

  10. 1.8 V logic compatibility

  11. Asynchronous updating via LDAC

  12. Asynchronous RESET to zero scale/midscale DSP/microcontroller-compatible serial interface

  13. Robust 4 kV HBM ESD rating

  14. Available in 16-lead TSSOP and 16-lead LFCSP

  15. Operating temperature range: −40°C to +125°C

3. APPLICATIONS

    1. Industrial automation

    2. Instrumentation, data acquisition

    3. Open-/closed-loop servo control, process control

    4. Programmable logic controllers