LTC2312CTS8-14#TRMPBF

LTC2312CTS8-14#TRMPBF is a 14bit, 500ksps, serial sampling A/D converter that draws only 3.2mA from a single 3V or 5V supply. It contains an integrated low drift reference and reference buffer providing a low cost, high performance (20ppm/°C maximum) and space-saving solution. It achieves outstanding AC performance of 77dB SINAD and -85dB THD while sampling at 500ksps. The extremely high sample rate-to-power ratio makes the device 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. It has a high-speed SPI-compatible serial interface that supports 1.8V, 2.5V, 3V and 5V logic. Applications include communication systems, high speed data acquisition, handheld terminal interface, medical imaging, uninterrupted power supplies, battery-operated systems, and automotive.

• Guaranteed 14bit no missing codes, no cycle latency
• Integral linearity error is ±1LSB typical at (VDD = 5V, TA = 25°C)
• Offset error is ±2LSB typical at (VDD = 5V, TA = 25°C)
• Signal-to-noise ratio is 77.5dB typical at (fIN = 20KHz, VDD = 5V, TA = 25°C and AIN = -1dBFS)
• 130MHz typical full power bandwidth at (3dB, TA = 25°C and AIN = -1dBFS)
• High speed SPI-compatible serial I/O, separate 1.8V to 5V digital I/O supply
• Supply current (static mode) is 3.4mA typical at (TA = 25°C)
• 500MHz maximum sampling frequency at (TA = 25°C)
• Sleep mode current is 0.2µA typical at (TA = 25°C)
• Operating temperature range from 0°C to 70°C, 8-lead plastic TSOT-23 package

บันทึก

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