Description

4-Channel, 24-Bit, Simultaneous Sampling ADC, Power Scaling, 110.8 kHz BW Features: Precision ac and dc performance Optimized power dissipation vs. noise vs. input bandwidth Selectable power, speed, and input bandwidth Fast (highest speed): 110.8 kHz BW, 51.5 mW per channel Median (half speed): 55.4 kHz BW, 27.5 mW per channel Low power (lowest power): 13.8 kHz BW, 9.375 mW per channel Linear phase digital filter Low latency sinc5 filter Wideband brick wall filter: ±0.005 dB ripple to 102.4 kHz Analog input precharge buffers Input BW range: dc to 110.8 kHz Programmable input bandwidth/sampling rates 8-/4-channel simultaneous sampling 256 kSPS maximum ADC ODR per channel 108 dB dynamic range 110.8 kHz maximum input bandwidth (−3 dB BW) −120 dB THD, typical ±2 ppm of full-scale range (FSR) integral nonlinearity (INL), ±50 μV offset error, ±30 ppm gain error CRC error checking on data interface Daisy-chaining Power supply AVDD1 = 5.0 V, AVDD2 = 2.25 V to 5.0 V IOVDD = 2.5 V to 3.3 V or IOVDD = 1.8 V 64-lead LQFP package, no exposed pad Temperature range: −40°C to +105°C