Analog Devices AD7768-4
Simultaneous Sampling ADC
FEATURES
► Precision ac and dc performance ► 8-/4-channel simultaneous sampling ► 256 kSPS maximum ADC ODR per channel ► 108 dB dynamic range ► DC to 110.8 kHz maximum input bandwidth (−3 dB bandwidth) ► −120 dB THD, typical ► ±2 ppm of full-scale range (FSR) integral nonlinearity (INL), ±50 µV offset error, ±30 ppm of FSR gain error ► Optimized power dissipation vs. noise vs. input bandwidth ► Selectable power, speed, and input bandwidth ► Fast (highest speed): 110.8 kHz bandwidth, 51.5 mW per channel ► Median (half speed): 55.4 kHz bandwidth, 27.5 mW per channel ► Low power (lowest power): 13.8 kHz bandwidth, 9.375 mW per channel ► Per channel digital filter ► Programmable input bandwidth/sampling rates ► CRC error checking on data interface ► Daisy-chaining FUNCTIONAL BLOCK DIAGRAM ► Linear phase digital filter ► Low latency sinc5 filter ► Wideband brick wall filter: ±0.005 dB pass band ripple to 102.4 kHz ► Analog input precharge and reference precharge buffers ► Power supply ► AVD...