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MAX5253：+3V, Quad, 12-Bit Voltage-Output DAC with Serial Interface

+3V DAC with Configurable Output Allows Flexible Output Swings

The MAX5253 combines four low-power, voltage-output, 12-bit digital-to-analog converters (DACs) and four precision output amplifiers in a space-saving, 20-pin package. In addition to the four voltage outputs, each amplifier's negative input is also available to the user. This facilitates specific gain configurations, remote sensing, and high output drive capacity, making the MAX5253 ideal for industrial-process-control applications. Other features include software shutdown, hardware shutdown lockout, an active-low reset which clears all registers and DACs to zero, a user-programmable logic output, and a serial-data output. Each DAC has a double-buffered input organized as an input register followed by a DAC register. A 16-bit serial word loads data into each input/DAC register. The serial interface is compatible with SPI™/QSPI™ and MICROWIRE™. It allows the input and DAC registers to be updated independently or simultaneously with a single software command. The DAC registers can be simultaneously updated through the 3-wire serial interface. All logic inputs are TTL/CMOS-logic compatible.

Key Features Four 12-Bit DACs with Configurable Output Amplifiers +3.0V to +3.6V Single-Supply Operation Low Supply Current: 0.82mA Normal Operation 3µA Shutdown Mode Reference Inputs are High Impedance in Shutdown Available in 20-Pin SSOP Power-On Reset Clears all Registers and DACs to Zero SPI/QSPI and Microwire Compatible Simultaneous or Independent Control of DACs Through 3-Wire Serial Interface User-Programmable Digital Output

MAX5253: Functional Block Diagram Applications/Uses Automated Test Equipment (ATE) Digital Offset and Gain Adjustments Industrial Process Controls Microprocessor-Controlled Systems Motion Control Remote Industrial Controls

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