8-Bit / 200 MSPS A/D Converter
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FEATURES 200 MSPS Guaranteed Conversion Rate 135 MSPS Low Cost Version Available 350 MHz Analog Bandwidth 1 V p-p Anal...
Description
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FEATURES 200 MSPS Guaranteed Conversion Rate 135 MSPS Low Cost Version Available 350 MHz Analog Bandwidth 1 V p-p Analog Input Range Internal 2.5 V Reference and T/H Low Power: 500 mW 5 V Single Supply Operation TTL Output Interface Single or Demultiplexed Output Ports
APPLICATIONS RGB Graphics Processing High Resolution Video Digital Data Storage Read Channels Digital Communications Digital Instrumentation Medical Imaging
8-Bit, 200 MSPS A/D Converter
AD9054A
AIN AIN
ENCODE ENCODE
FUNCTIONAL BLOCK DIAGRAM
VREF IN
VREF OUT
AD9054A
2.5V REFERENCE
T/H TIMING
QUANTIZER
8
ENCODE LOGIC
DEMULTIPLEXER 8
DA7 – D A0 DB7 – D B0
VDD GND
DEMUX
DS DS
GENERAL DESCRIPTION The AD9054A is an 8-bit monolithic analog-to-digital converter optimized for high speed, low power, small size and ease of use. With a 200 MSPS encode rate capability and full-power analog bandwidth of 350 MHz, the component is ideal for applications requiring the highest possible dynamic performance.
To minimize system cost and power dissipation, the AD9054A includes an internal 2.5 V reference and track-and-hold circuit. The user provides only a 5 V power supply and an encode clock. No external reference or driver components are required for many applications.
The AD9054A’s encode input interfaces directly to TTL, CMOS or positive-ECL logic and will operate with single-ended or differential inputs. The user may select dual-channel or singlechannel digital outputs. The dual (demultiplexed) mode interlea...
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