Datasheet Analog Devices AD7768-4BSTZ-RL7 — 数据表

8-/4-Channel, 24-Bit, Simultaneous Sampling
ADCs with Power Scaling, 110.8 kHz BW AD7768/AD7768-4 Data Sheet
FEATURES Low latency sinc5 filter
Wideband brick wall filter: ±0.005 dB pass-band ripple
from dc to 102.4 kHz
Analog input precharge buffers
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 Precision ac and dc performance
8-/4-channel simultaneous sampling
256 kSPS maximum ADC output data rate per channel
108 dB dynamic range
110.8 kHz maximum input bandwidth (−3 dB bandwidth)
−120 dB total harmonic distortion (THD) typical
±2 ppm of full-scale range (FSR) integral nonlinearity
(INL), ±50 µV offset error, ±30 ppm gain error
Optimized power dissipation vs. noise vs. input bandwidth
Selectable power, speed, and input bandwidth (BW) modes
Fast: highest speed; 110.8 kHz BW, 51.5 mW per channel
Median: half speed, 55.4 kHz BW, 27.5 mW per channel
Eco: lowest power, 13.8 kHz BW, 9.375 mW per channel …