Click to expand full text
Correlated Double Sampler (CDS) AD9823
FEATURES
40 MHz correlated double sampler (CDS) Fixed 3.5 dB CDS gain Low noise optical black clamp circuit 3 V single-supply operation 14-lead TSSOP package
FUNCTIONAL BLOCK DIAGRAM
AD9823
3.5dB FIXED GAIN OUTPUT BUFFER
CCDIN
CDS
OUTPUT
APPLICATIONS
Digital still cameras Digital video camcorders CCTV cameras PC cameras Portable CCD imaging devices
BYP2
CLP
CLP OUTPUT BUFFER REFOUT
INTERNAL TIMING
INTERNAL REFERENCE
VDD GND
04538-0-001
SHP
SHD
BYP1
BYP3
Figure 1. Functional Block Diagram
PRODUCT DESCRIPTION
The AD9823 is a correlated double sampler for digital camera applications. It features a 40 MHz CDS amplifier with 3.5 dB of fixed gain, an internal voltage reference supply, and timing control for the SHP and SHD sampling clocks.
AD9823 Datasheet
