Datasheet Summary
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
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...