AD9991 is a 10-bit CCD signal processor with a precision timing generator. It includes a complete analog front end with A/D conversion and a full-function programmable timing generator.
The AD9991 is a highly integrated CCD signal processor designed for digital still camera and camcorder applications. It combines an analog front end featuring A/D conversion with a full-function programmable timing generator capable of supporting both 4- and 6-phase vertical clocking.
The device includes features such as a Correlated Double Sampler (CDS), a Variable Gain Amplifier (VGA) ranging from 6 dB to 42 dB, and a black level clamp. It is packaged in a space-saving 56-lead LFCSP and operates over a temperature range of -20°C to +85°C.
| Operating Temperature Range | -20°C to +85°C |
|---|---|
| Resolution | 10 Bits |
| Maximum Clock Rate | 27 MHz |
| Gain Range (VGA) | 6 dB to 42 dB |
| Package Type | 56-Lead LFCSP |
The device is specified at pixel rates of up to 27 MHz.
Yes, the timing generator supports both 4- and 6-phase vertical clocking.
All power supplies (AVDD, TCVDD, RGVDD, HVDD, DRVDD, DVDD) require a range of 2.7 V to 3.6 V.