HT82V842 Description
The HT82V842 is a CMOS single-chip signal processing device for CCD area sensors. It consists of a clamp circuit, Correlated Double Sampler (CDS), Programmable Gain Amplifier (PGA), reference voltage generator, black level detection circuit, 20MHz 10-bit A/D converter (ADC), timing generator for internally required pulses, serial interface for internal function control and PGA gain control.
HT82V842 Key Features
- Operating voltage: 2.7V~3.6V
- Low power consumption: 70mW (Typ.)
- Power down mode: less than 30mW
- Accepts a direct signal input to ADC or PGA at 1.0
- Independent ADC input conversion clock and data
- Independent CDS and PGA gain control
- CDS: -1.94/0/6/12dB
- PGA: 0~24dB
- Wide gain range: -1.94~36dB
- High speed sample and hold circuit: pulse width 11ns