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MAX550B

Maxim Integrated Products
Part Number MAX550B
Manufacturer Maxim Integrated Products
Description 8-Bit Voltage-Output DAC
Published Oct 4, 2007
Detailed Description www.DataSheet4U.com 19-1140; Rev 0; 9/96 Low-Power, +2.5V to +5.5V, 8-Bit Voltage-Output DAC in µMAX _______________Gen...
Datasheet PDF File MAX550B PDF File

MAX550B
MAX550B

Overview
www.
DataSheet4U.
com 19-1140; Rev 0; 9/96 Low-Power, +2.
5V to +5.
5V, 8-Bit Voltage-Output DAC in µMAX _______________General Description The MAX550B serial, 8-bit, voltage-output, digital-toanalog converter (DAC) operates on a single +2.
5V to +5.
5V supply.
Its ±1LSB TUE specification is guaranteed over temperature.
Operating current (supply current plus reference current) is typically 75µA with VDD = 2.
5V and less than 1µA in shutdown mode.
The reference input is disconnected from the REF pin during shutdown.
The serial interface operates at clock rates up to 10MHz and is compatible with 3-wire SPI™, QSPI™, and Microwire™ interface standards.
The MAX550B’s ultra-low power consumption and small µMAX package make it ideal for portable and batterypowered applications.
____________________________Features o +2.
5V to +5.
5V Single-Supply Operation o ±1LSB (max) TUE o Low 75µA Operating Current (VDD = +2.
5V) o 1µA Shutdown Mode o µMAX Package—50% Smaller than 8-Pin SO o 10MHz, 3-Wire Serial Interface o Internal Power-On Reset Clears All Registers to Zero MAX550B _______________Ordering Information ________________________Applications VCXO Control Comparator Level Settings GaAs Amp Bias Control Digital Gain and Offset Control PART MAX550BCPA MAX550BCUA MAX550BC/D MAX550BEPA MAX550BEUA TEMP.
RANGE 0°C to +70°C 0°C to +70°C 0°C to +70°C -40°C to +85°C -40°C to +85°C PIN-PACKAGE 8 Plastic DIP 8 µMAX Dice* 8 Plastic DIP 8 µMAX *Dice are specified at TA = +25°C, DC parameters only.
________________Functional Diagram VDD1 VDD2 __________________Pin Configuration REF TOP VIEW DIN SCLK CS OUT 2 CS 3 INPUT SHIFT REGISTER 8 DAC REGISTER DAC R-2R LADDER OUT GND 1 8 VDD1 REF VDD2 SCLK MAX550B 7 6 5 MAX550B DIN 4 GND DIP/µMAX SPI and QSPI are registered trademarks of Motorola, Inc.
Microwire is a registered trademark of National Semiconductor Corp.
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