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MAX5104：Low-Power, Dual, Voltage-Output, 12-Bit DAC with Serial Interface

Low-Cost, Dual, Serial DAC

The MAX5104 low-power, serial, voltage-output, dual 12-bit digital-to-analog converter (DAC) consumes only 500µA from a single +5V supply. This device features Rail-to-Rail output swing and is available in a space-saving 16-pin QSOP package. To maximize the dynamic range, the DAC output amplifiers are configured with an internal gain of +2V/V. The 3-wire serial interface is SPI™/QSPI™/MICROWIRE™ compatible. Each DAC has a double-buffered input organized as an input register followed by a DAC register, which allows the input and DAC registers to be updated independently or simultaneously with a 16-bit serial word. Additional features include programmable power- down (2µA), hardware power-down lockout (PDL), a separate reference voltage input for each DAC that accepts AC and DC signals, and an active-low clear input (CL) that resets all registers and DACs to zero. These devices provide a programmable logic pin for added functionality, and a serial-data output pin for daisy chaining.

Key Features 12-Bit Dual DAC with Internal Gain of +2V/V Rail-to-Rail Output Swing 12µs Settling Time +5V Single-Supply Operation Low Quiescent Current 500µA (normal operation) 2µA (power-down mode) SPI/QSPI/MICROWIRE Compatible Space-Saving 16-Pin QSOP Package Power-On Reset Clears Registers and DACs to Zero Adjustable Output Offset

MAX5104: Functional Block Diagram Applications/Uses Automated Test Equipment (ATE) Digital Gain and Offset Control Industrial Process Controls Microprocessor-Controlled Systems Motion Control Remote Industrial Controls

DataSheet

Parametrics

Quality and Environmental Data

• MAX5104.pdf

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