LTC2368IDE-24#PBF

LTC2368IDE-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, the LTC2368-24 has a 0V to VREF pseudo differential unipolar input range with VREF ranging from 2.5V to 5.1V. It consumes only 21mW(typ) and achieves ±4.5ppm INL maximum and no missing codes at 24 bits. 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. Applications include seismology, energy exploration, medical imaging, high-speed data acquisition, industrial process control, and ATE.

• Guaranteed 24bits no missing codes, 50Hz/60Hz rejection
• Integrated digital filter with real-time averaging, single 2.5V supply
• Pseudo-differential unipolar input voltage range from 0V to VREF
• 1.8V to 5V SPI-compatible serial I/O with daisy chain mode
• Integral linearity error is ±0.5ppm typical at (TA = 25°C)
• Dynamic range is 98dB typical at (IN+ = IN– = GND, VREF = 5V, N = 1)
• Signal-to-noise ratio is 98dB typical at (fIN = 2KHz, VREF = 5V)
• Total harmonic distortion is -116dB typical at (fIN = 2KHz, VREF = 5V)
• 34MHz typical -3dB input bandwidth at (TA = 25°C and AIN = -1dBFS)
• Operating temperature range from -40°C to 85°C, 16-lead plastic DFN package

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