8-Bit, 500 MSPS,1.8 V Analog-to-Digital Converter

 

The AD9484 is an 8-bit, monolithic, sampling analog-to-digitalconverter (ADC) optimized for high performance, low power,and ease of use. The part operates at up to a 500 MSPS conver-sion rate and is optimized for outstanding dynamic performance in wideband carrier and broadband systems. All necessary functions, including a sample-and-hold and voltage reference,are included on the chip to provide a complete signal conversion solution. The VREF pin can be used to monitor the internal reference or provide an external voltage reference (externalreference mode must be enabled through the SPI port).The ADC requires a 1.8 V analog voltage supply and a differen-tial clock for full performance operation. The digital outputs are LVDS (ANSI-644) compatible and support twos complement, offset binary format, or Gray code. A data clock output is available for proper output data timing.Fabricated on an advanced BiCMOS process, the AD9484 is availa-ble in a 56-lead LFCSP, and is specified over the industrial temperature range (.40°C to +85°C). This product is protectedby a U.S. patent.

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