The MAX531/MAX538/MAX539 are low-power, voltageoutput, 12-bit digital-to-analog converters (DACs) specified for single +5V power-supply operation. The MAX531 can also be operated with ±5V supplies. The MAX538/MAX539 draw only 140µA, and the MAX531 (with internal reference) draws only 260µA. The MAX538/MAX539 come in 8-pin DIP and SO packages, while the MAX531 comes in 14-pin DIP and SO packages. All parts have been trimmed for offset voltage, gain, and linearity, so no further adjustment is necessary. The MAX538’s buffer is fixed at a gain of +1 and the MAX539’s buffer at a gain of +2. The MAX531’s internal op amp may be configured for a gain of +1 or +2, as well as for unipolar or bipolar output voltages. The MAX531 can also be used as a four-quadrant multiplier without external resistors or op amps. For parallel data inputs, see the MAX530 data sheet
Feature:
♦ Operate from Single +5V Supply
♦ Buffered Voltage Output
♦ Internal 2.048V Reference (MAX531)
♦ 140µA Supply Current (MAX538/MAX539)
♦ INL = ±1/2LSB (max)
♦ Guaranteed Monotonic over Temperature
♦ Flexible Output Ranges:
0V to VDD (MAX531/MAX539)
VSS to VDD (MAX531)
0V to 2.6V (MAX531/MAX538)
♦ 8-Pin SO/DIP (MAX538/MAX539)
♦ Power-On Reset
♦ Serial Data Output for Daisy-Chaining
Application:
Battery-Powered Test Instruments
Digital Offset and Gain Adjustment
Battery-Operated/Remote Industrial Controls
Machine and Motion Control Devices
Cellular Telephones
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