Force/Sense DACs
19-1446; Rev 2; 5/06
MAX5122/MAX5123
+5V/+3V, 12-Bit, Serial, Force/Sense DACs with 10ppm/°C Internal Reference
Gener...
Description
19-1446; Rev 2; 5/06
MAX5122/MAX5123
+5V/+3V, 12-Bit, Serial, Force/Sense DACs with 10ppm/°C Internal Reference
General Description
The MAX5122/MAX5123 low-power, 12-bit, voltage-output, digital-to-analog converters (DACs) feature an internal precision bandgap reference and output amplifier. The MAX5122 operates on a single +5V supply with an internal +2.5V reference, and offers a configurable output amplifier. If necessary, the user can override the on-chip, <10ppm/°C voltage reference with an external reference. The MAX5123 has the same features as the MAX5122 but operates from a single +3V supply and has an internal +1.25V precision reference. The user-accessible inverting input and output of the amplifier allows specific gain configurations, remote sensing, and high output drive capability for a wide range of force/sense applications. Both devices draw only 500µA of supply current, which reduces to 3µA in power-down mode. In addition, their power-up reset feature allows for ...
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