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LTC2313-12 - 12-Bit, 2.5Msps Serial Sampling ADC in TSOT

The LTC®2313-12 is a 12-bit, 2.5Msps, serial sampling A/D converter that draws only 5mA from a single 3V or 5V supply. The LTC2313-12 contains an integrated low drift reference and reference buffer providing a low cost, high performance (20ppm/°C maximum) and space saving solution. The LTC2313-12 achieves outstanding AC performance of 72.6dB SINAD and –84dB THD while sampling at 2.5Msps. The extremely high sample rate-topower ratio makes the LTC2313-12 ideal for compact, low power, high speed systems. The supply current decreases at lower sampling rates as the device automatically enters nap mode after conversions.

The LTC2313-12 has a high speed SPI-compatible serial interface that supports 1.8V, 2.5V, 3V and 5V logic. The fast 2.5Msps throughput with no cycle latency makes the LTC2313-12 ideally suited for a wide variety of high speed applications.

Features 2.5Msps Throughput Rate No Cycle Latency Guaranteed 12-Bit No Missing Codes Single 3V or 5V Supply Low Noise: 73dB SNR Low Power: 14mW at 2.5Msps and 3V Supply Low Drift (20ppm/°C Maximum) 2.048V or 4.096V Internal Reference Sleep Mode with < 1μA Typical Supply Current Nap Mode with Quick Wake-Up < 1 Conversion Separate 1.8V to 5V Digital I/O Supply High Speed SPI-Compatible Serial I/O Guaranteed Operation from –40°C to 125°C 8-Lead TSOT-23 Package Typical Application

Applications Communication Systems High Speed Data Acquisition Handheld Terminal Interface Medical Imaging Uninterrupted Power Supplies Battery Operated Systems Automotive Packaging

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