DESCRIPTION

· The LTC2312-12 is a 12-bit, 500ksps serial sampling A/D converter.

· It operates on a single 3V or 5V supply, drawing only 3mA.

· Integrated low drift reference and buffer provide a high-performance, space-saving solution.

· Achieves 72.7dB SINAD and –84dB THD at 500ksps.

· Features a high-speed SPI-compatible serial interface supporting 1.8V to 5V logic.

· No-cycle latency with a 500ksps throughput rate.

FEATURES

· 12-bit resolution with 500ksps sampling rate.

· Single 3V or 5V supply operation.

· Low noise with 73dB SNR.

· Low power consumption: 8mW at 500ksps with 3V supply.

· Internal reference of 2.048V or 4.096V with low drift (20ppm/°C max).

· Sleep mode with <1µA supply current and nap mode with quick wake-up.

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

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

· 8-Lead TSOT-23 package.

· AEC-Q100 qualified for automotive applications.

APPLICATIONS

· Communication systems.

· High-speed data acquisition.

· Handheld terminal interfaces.

· Medical imaging.

· Uninterrupted power supplies.

· Battery-operated systems.

· Automotive applications.