Microchip announced two families of new high-speed analog-to-digital converters (ADC): the MCP37DX0-200 and MCP372X0-200. They feature 12- and 14- bit pipelined ADCs with a maximum sampling rate of 200 MSps, over 67 dB signal-to-noise ratio (SNR) and over 96 dB spurious free dynamic range (SFDR).
The devices operate at very low power consumption of 338 mW at 200 MSps including LVDS digital I/O for the 12-bit devices and 348 mW for the 14-bit devices. Lower power-saving modes are available at 80 mW for standby and 33 mW for shutdown.
The chips include various digital processing features that simplify system design, cost and power usage for designers. They also include decimation filters for improved SNR and phase, offset and gain adjustment. Data is available through the serial DDR LVDS or parallel CMOS interface, and configured via SPI. An integrated digital down-converter is included in the MCP37DX0-200 family, making it ideal for communications applications.
The 12-bit devices include an integrated noise-shaping requantiser which enables users to lower the noise within a given band of interest for improved accuracy and performance. These families are targeted for applications in the communications markets such as base stations, test equipment and IF receivers, among others.
The devices are available now for sampling and volume production in 124-lead VTLA packages.
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