a FEATURES 8-Bit A/D Converter Two 8-Bit D/A Converters Two 8-Bit Serial D/A Converters Single +5 V Supply Operation On-Chip Reference Power-Down Mode 52-Lead PQFP Package 5 V Integrated High Speed ADC/Quad DAC System AD7339 FUNCTIONAL BLOCK DIAGRAM DVDD1 ADCPDB AIN ADCCLK DA0 DA7 DACCLK DB0 DB7 DACPDB SDATA SCLK SERIAL CONTROL LOGIC DAC 0 REGISTER DAC 1 REGISTER SERIAL DAC 0 SERIAL DAC 1 DAC B REGISTER PARALLEL DAC B DACB DAC A REGISTER PARALLEL DAC A T/H ADC DGND1 AGND1 D0 D7 DACA SDAC0F SDAC0S SDAC1F SDAC1S VREF LATCH SDACPDB GENERAL DESCRIPTION 2.
5V REFERENCE AVDD The AD7339 is a composite IC that contains both DAC and ADC functions.
The device includes an 8-bit parallel A-to-D co...

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