This datasheet provides the features and characteristics of AD9841A/AD9842A, as well as the application scenarios.
The AD9841A and AD9842A are complete analog signal processors for CCD applications, offering a 20 MHz single‑channel architecture that samples and conditions outputs of interlaced and progressive‑scan CCD arrays. Features include a correlated double sampler, pixel‑gain amplifier, variable‑gain amplifier, low‑noise clamp circuits, analog pre‑blanking, and a 3‑wire serial digital interface.
Key electrical specifications are a 2.7 V to 3.6 V supply range, 78 mW typical power consumption, 20 MHz maximum clock rate, and ADC resolutions of 10 bits (AD9841A) or 12 bits (AD9842A) with a 2.0 V full‑scale input range.
| Maximum Clock Rate | 20 MHz |
|---|---|
| Power Consumption (Normal Operation) | 78 mW |
| ADC Resolution (AD9841A) | 10 Bits |
| ADC Resolution (AD9842A) | 12 Bits |
| Full‑Scale Input Voltage | 2.0 V |
| Logic High Input Voltage | 2.1 V |
The device operates up to a maximum clock rate of 20 MHz.
Typical power consumption in normal operation is 78 mW.