AD7768 Datasheet Text
Data Sheet AD7768/AD7768-4
8-/4-Channel, 24-Bit, Simultaneous Sampling ADCs with Power Scaling, 110.8 kHz
Bandwidth
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
- 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, no exposed pad
- Temperature range:...