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AD7249

Part Number	AD7249
Manufacturer	Analog Devices
Description	LC2MOS Dual 12-Bit Serial DACPORT
Published	Mar 23, 2005
Detailed Description	a FEATURES Two 12-Bit CMOS DAC Channels with On-Chip Voltage Reference Output Amplifiers Three Selectable Output Ranges ...
Datasheet	AD7249 PDF File

Overview

a FEATURES Two 12-Bit CMOS DAC Channels with On-Chip Voltage Reference Output Amplifiers Three Selectable Output Ranges per Channel –5 V to +5 V, 0 V to +5 V, 0 V to +10 V Serial Interface 125 kHz DAC Update Rate Small Size: 16-Lead DIP or SOIC Low Power Dissipation APPLICATIONS Process Control Industrial Automation Digital Signal Processing Systems Input/Output Ports LC2MOS Dual 12-Bit Serial DACPORT® AD7249 FUNCTIONAL BLOCK DIAGRAM VDD VSS AD7249 REFOUT 2R ROFSA 2R REFIN 12-BIT DAC A A1 2R VOUTA ROFSB 2R AGND 12-BIT DAC B DGND INPUT SHIFT REGISTER A2 VOUTB GENERAL DESCRIPTION The AD7249 DACPORT contains a pair of 12-bit, voltageoutput, digital-to-analog converters with output amplifiers and Zener voltage reference on a monolithic CMOS chip.
No external trims are required to achieve full specified performance.
The output amplifiers are capable of developing +10 V across a 2 kΩ load.
The output voltage ranges with single supply operation are 0 V to +5 V or 0 V to +10 V, while...

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