DESCRIPTION

· The LTC2315-12 is a 12-bit, 5Msps serial sampling A/D converter.

· It operates with a wide analog supply range from 2.7V to 5.25V, drawing only 6.4mA.

· Integrated bandgap and reference buffer provide a low-cost, high-performance solution.

· Achieves 72.6dB SINAD and –84dB THD at a 500kHz input frequency.

· Features nap and sleep modes for power optimization.

· High-speed SPI-compatible serial interface supports 1.8V, 2.5V, 3V, and 5V logic.

FEATURES

· 5Msps throughput rate with guaranteed 12-bit no missing codes.

· Internal reference options: 2.048V/4.096V span.

· Low noise: 73dB SNR.

· Low power consumption: 6.4mA at 5Msps and 5V.

· Dual supply range: 3V/5V operation.

· Sleep mode with <1µA typical supply current.

· Nap mode with quick wake-up <1 conversion.

· Separate 1.8V to 5V digital I/O supply.

· Guaranteed operation from –40°C to 125°C.

· 8-Lead TSOT-23 package.

APPLICATIONS

· Communication systems.

· High-speed data acquisition.

· Handheld terminal interface.

· Medical imaging.

· Uninterrupted power supplies.

· Battery-operated systems.

· Automotive applications.