AD9054

a 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 VREF IN 8-Bit, 200 MSPS A/D Converter AD9054 FUNCTIONAL BLOCK DIAGRAM VREF OUT ؉2.5V REFERENCE 8 ENCODE LOGIC DEMULTIPLEXER 8 AD9054 AIN AIN ENCODE ENCODE T/H QUANTIZER DA7 –DA0 DB7 –DB0 TIMING VDD GND DEMUX DS DS GENERAL DESCRIPTION The AD9054 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 AD9054 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 AD9054’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 interleaves ADC d...