General Description

The MAX551/MAX552 are 12-bit, current-output, 4-quadrant multiplying digital-to-analog converters (DACs). These devices are capable of providing unipolar or bipolar outputs when operating from either a single +5V (MAX551) or +3V (MAX552) power supply. An internal power-on-reset circuit clears all DAC registers on power-up, setting the DAC output voltage to 0V.

Features

♦ Single-Supply Operation:

    +4.5V to +5.25V (MAX551)

    +2.7V to +3.6V (MAX552)

♦ 12.5MHz 3-Wire Serial Interface

♦ SPI/QSPI and MICROWIRE Compatible

♦ Power-On Reset Clears DAC Output to Zero

♦ Asynchronous Clear Input Clears DAC Output to Zero

♦ Voltage Mode or Bipolar Mode Operation with a Single Power Supply

♦ Schmitt-Trigger Digital Inputs for Direct Optocoupler Interface

♦ 0.4µA Supply Current

♦ 10-Pin µMAX Package

Applications

    Automatic Calibration

    Gain Adjustment

    Transducer Drivers

    Process-Control I/O Boards

    Digitally Controlled Filters

    Motion-Controlled Systems

    µP-Controlled Systems

    Programmable Amplifiers/Attenuators