LTC2372CUH-16#PBF

LTC2372CUH-16#PBF is a low noise, high speed, 8-channel 16bit successive approximation register (SAR) ADC. Operating from a single 5V supply, this device has a highly configurable, low crosstalk 8-channel input multiplexer, supporting fully differential, pseudo-differential unipolar and pseudo-differential bipolar analogue input ranges. It has an onboard low drift (20ppm/°C max) 2.048V temperature-compensated reference and a single-shot capable reference buffer. An internal oscillator sets the conversion time, easing external timing considerations. It dissipates only 27mW and automatically naps between conversions, leading to reduced power dissipation that scales with the sampling rate. A sleep mode is also provided to reduce the power consumption of the device to 300μW for further power savings during inactive periods. Applications include programmable logic controllers, industrial process control, high speed data acquisition, portable or compact instrumentation, and ATE.

• Programmable sequencer, selectable digital gain compression
• SPI-compatible serial I/O, no pipeline delay, no cycle latency
• Signal-to-(noise + distortion) ratio is 96dB typ at (fIN = 1KHz, REFIN = 2.048V (REFIN overdriven))
• Total harmonic distortion is -110dB typ at (IN = 1KHz, REFIN = 2.048V (REFIN overdriven))
• Onboard 2.048V reference and reference buffer, 16bit resolution with no missing codes
• 500ksps throughput rate, integral linearity error is 1LSB max at fully differential, (TA = 25°C))
• 8-channel multiplexer with selectable input range
• Differential linearity error is 0.5LSB max at (fully differential, (TA = 25°C))
• 22MHz typical -3dB bandwidth at (TA = 25°C and AIN = -1dBFS)
• Operating temperature range from 0°C to 70°C, 48-lead plastic LQFP package

注释

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