LTC2314CTS8-14#TRMPBF

LTC2314CTS8-14#TRMPBF is a 14bit, 4.5Msps, serial sampling A/D converter that draws only 6.2mA from a wide-range analogue supply adjustable from 2.7V to 5.25V. It contains an integrated bandgap and reference buffer which provide a low-cost, high-performance (20ppm/°C max) and space-saving applications solution. It achieves outstanding AC performance of 77dB SINAD and -85dB THD while sampling a 500KHz input frequency. The extremely high sample rate-to-power ratio makes the device ideal for compact, low-power, high-speed systems. It also provides both nap and sleep modes for further optimization of the device power within a system. The fast 4.5Msps throughput makes the device ideally suited for a wide variety of high-speed applications. Applications include communication systems, high speed data acquisition, handheld terminal interface, medical imaging, uninterrupted power supplies, battery-operated systems, and automotive.

• High speed SPI-compatible serial I/O, separate 1.8V to 5V digital I/O supply
• Guaranteed 14bit no missing codes, dual supply range is 3V/5V operation
• Signal-to-noise ratio is 77.5dB typical at (fIN = 500KHz, VDD = 5V, TA = 25°C and AIN = -1dBFS)
• 5MHz typical -3dB input linear bandwidth at (SINAD ≥ 74dB, TA = 25°C and AIN = -1dBFS)
• Total harmonic distortion is -85dB typical at (fIN = 500KHz, VDD = 5V, TA = 25°C and AIN = -1dBFS)
• Integral linearity error is ±1LSB typical at (VDD = 5V, TA = 25°C)
• VREF output voltage is 2.048V typical at (2.7V ≤ VDD ≤ 3.6V, TA = 25°C)
• Total unadjusted error is ±6LSB typical at (VDD = 5V, TA = 25°C)
• Aperture jitter is 10psRMS typical at (TA = 25°C and AIN = -1dBFS)
• Operating temperature range from 0°C to 70°C, 8-lead plastic TSOT-23 package

注释

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