19-2316; Rev 0; 1/02 230 Dual, 10-Bit, Low-Power, 2-Wire, Serial Voltage-Output DAC General Description The MAX5821 is a dual, 10-bit voltage-output, digital-toanalog converter (DAC) with an I 2 C ™ -compatible, 2-wire interface that operates at clock rates up to 400kHz.
The device operates from a single 2.
7V to 5.
5V supply 115µA at V DD = 3.
6V.
A power-down mode decreases current consumption to less than 1µA.
The MAX5821 features three software-selectable powerdown output impedances: 100k Ω , 1k Ω , and high impedance.
Other features include internal precision Rail-to-Rail® output buffers and a power-on reset (POR) circuit that powers up the DAC in the 100kΩ powerdown mode.
The MAX5821 fe...

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