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MAX5811

Maxim
Part Number MAX5811
Manufacturer Maxim
Description 10-Bit / Low-Power / 2-Wire Interface / Serial / Voltage-Output DAC
Published Apr 29, 2005
Detailed Description 19-2270; Rev 0; 1/02 10-Bit, Low-Power, 2-Wire Interface, Serial, Voltage-Output DAC General Description The MAX5811 is...
Datasheet PDF File MAX5811 PDF File

MAX5811
MAX5811

Overview
19-2270; Rev 0; 1/02 10-Bit, Low-Power, 2-Wire Interface, Serial, Voltage-Output DAC General Description The MAX5811 is a single, 10-bit voltage-output digital-toanalog converter (DAC) with an I2C™-compatible 2-wire interface that operates at clock rates up to 400kHz.
The device operates from a single 2.
7V to 5.
5V supply and draws only 100µA at VDD = 3.
6V.
A low-power powerdown mode decreases current consumption to less than 1µA.
The MAX5811 features three software-selectable power-down output impedances: 100kΩ, 1kΩ, and high impedance.
Other features include an internal precision Rail-to-Rail® output buffer and a power-on reset (POR) circuit that powers up the DAC in the 100kΩ power-down mode.
The MAX5811 features a double-buffered I2C-compatible serial interface that allows multiple devices to share a single bus.
All logic inputs are CMOS-logic compatible and buffered with Schmitt triggers, allowing direct interfacing to optocoupled and transformer-isolated interfaces.
The MAX5811 minimizes digital noise feedthrough by disconnecting the clock (SCL) signal from the rest of the device when an address mismatch is detected.
The MAX5811 is specified over the extended temperature range of -40°C to +85°C and is available in a space-saving 6-pin SOT23 package.
Refer to the MAX5812 data sheet for the 12-bit version.
o Ultra-Low Supply Current 100µA at VDD = 3.
6V 130µA at VDD = 5.
5V o 300nA Low-Power Power-Down Mode o Single 2.
7V to 5.
5V Supply Voltage o Fast 400kHz I2C-Compatible 2-Wire Serial Interface o Schmitt-Trigger Inputs for Direct Interfacing to Optocouplers o Rail-to-Rail Output Buffer Amplifier o Three Software-Selectable Power-Down Output Impedances 100kΩ, 1kΩ, and High Impedance o Read-Back Mode for Bus and Data Checking o Power-On Reset to Zero o Miniature 6-Pin SOT23 Package Features MAX5811 Ordering Information PART MAX5811LEUT-T MAX5811MEUT-T MAX5811NEUT-T MAX5811PEUT-T TEMP RANGE -40°C to +85°C -40°C to +85°C -40°C to +85°C -40°C to +85°C PINPACKAGE 6 ...


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