LTC2376CMS-20#PBF

LTC2376CMS-20#PBF is a low-noise, low-power, high-speed 20bit successive approximation register (SAR) ADC. Operating from a 2.5V supply, this device has a ±VREF fully differential input range with VREF ranging from 2.5V to 5.1V. It has a high-speed SPI-compatible serial interface that supports 1.8V, 2.5V, 3.3V and 5V logic while also featuring a daisy-chain mode. The fast 250Ksps throughput with no cycle latency makes the device ideally suited for a wide variety of high-speed applications. An internal oscillator sets the conversion time, easing external timing considerations. The LTC2376-20 automatically powers down between conversions, leading to reduced power dissipation that scales with the sampling rate. Applications include medical imaging, high-speed data acquisition, portable or compact instrumentation, industrial process control, low-power battery-operated instrumentation, and ATE.

• Digital gain compression (DGC), 2.5V supply
• VREF input range from 2.5V to 5.1V, fully differential input range ±VREF
• No pipeline delay, no cycle latency, 1.8V to 5V I/O voltages
• SPI-compatible serial I/O with daisy-chain mode, internal conversion clock
• Integral linearity error is ±0.5ppm typical at (TA = 25°C)
• Signal-to-noise ratio is 104dB typical at (fIN = 2KHz, VREF = 5V, TA = 25°C and AIN = -1dBFS)
• Total harmonic distortion is -125dB typical at (fIN = 2KHz, VREF = 5V, TA = 25°C and AIN = -1dBFS)
• 34MHz typical at -3dB input linear bandwidth at (TA = 25°C and AIN = –1dBFS)
• 250Ksps maximum sampling frequency at (TA = 25°C)
• Operating temperature range from 0°C to 70°C, 16-lead plastic MSOP package

注释

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