Maxim ADC Ideal For Medical Imaging Applications

Maxim Integrated Products has introduced the MAX19527, an ultra-low-power, 12-bit, 50Msps ADC optimised for portable ultrasound systems. Integrating eight channels on a single chip, the ADC operates from a single 1.8V supply and consumes 55mW per channel. Unused ADC channels can be powered down to further reduce power consumption.

Meanwhile, good dynamic performance (69dBFS broadband SNR at 5.3MHz, and 140dBc/Hz near-carrier SNR at 1kHz offset from a 5.3MHz tone) is said to allow uncompromised image quality and sensitivity in all imaging modes. Maxim said the MAX19527 delivers big-machine ultrasound image quality with a PCB footprint and power budget optimised for portable systems. A serial LVDS interface and SPI-programmable adjustments and feature selection maximises system flexibility for high-end or portable medical imaging uses. Available in a 10 x 10mm, 144-lead CTBGA package, the MAX19527 is specified over the -40C to +85C extended temperature range.

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