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GENERAL DESCRIPTION

The SPT7852 has two 10-Bit CMOS analog-to-digital converters that can sample data at speeds up to 20 MSPS. It has excellent low noise performance with a very low typical power dissipation of only 160 mW—that’s the total power for both converters. The SPT7852 uses a dual configuration of the proprietary circuit design found in our 10-bit CMOS single converter family, to achieve its high performance in a CMOS process.

FEATURES

? Dual 10-Bit/20 MSPS Analog-to-Digital Converter

? Monolithic CMOS

? Internal Track-and-Hold

? Low Power Dissipation: 160 mW

? 4 Vp-p Analog Input Range for Each ADC

? Single +5 Volt Power Supply with Option for 3.3 V Digital Outputs

? Tri-State, TTL-Compatible Outputs

? Overrange Bit

? Selectable Two’s Complement or Straight Binary Output

APPLICATIONS

? Video Set-Top Boxes

? Cellular Base Stations

? QPSK/QAM RF Demodulation

? S-Video Digitizers

? Composite Video Digitizers

? Portable and Handheld Instrumentation