LTC2368CMS-24#PBF

LTC2368CMS-24#PBF is a low noise, low power, high-speed 24bit successive approximation register (SAR) ADC with an integrated digital averaging filter. Operating from a 2.5V supply, this device has a 0V to VREF pseudo differential unipolar input range with VREF ranging from 2.5V to 5.1V. It has an easy-to-use integrated digital averaging filter that can average 1 to 65536 conversion results in real-time, dramatically improving dynamic range from 98dB at 1Msps to 140dB at 15.25sps. No separate programming interface or configuration register is required. The high-speed SPI-compatible serial interface supports 1.8V, 2.5V, 3.3V and 5V logic while also featuring a daisy-chain mode. The LTC2368-24 automatically powers down between conversions, reducing power dissipation at lower sampling rates. Applications include seismology, energy exploration, medical imaging, high speed data acquisition, industrial process control, and ATE.

• Integrated digital filter with real-time averaging
• Guaranteed 24bits no missing codes, single 2.5V supply
• Pseudo-differential unipolar input range from 0V to VREF
• 1.8V to 5V SPI-compatible serial I/O with daisy chain mode
• Dynamic range is 98dB typical at (IN+ = IN– = GND, VREF = 5V, N = 1)
• Signal-to-noise ratio is 98dB typical at (IN = 2KHz, VREF = 5V, TA = 25°C and AIN = -1dBFS)
• Total harmonic distortion is -116dB typical at (fIN = 2KHz, VREF = 5V, TA = 25°C and AIN = -1dBFS)
• 4MHz typical -3dB input linear bandwidth at (TA = 25°C and AIN = -1dBFS)
• Integral linearity error is ±0.5ppm typical at (TA = 25°C and AIN = -1dBFS)
• Operating temperature range from 0°C to 70°C, 16-lead plastic MSOP package

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