CCD Signal Processor for Camcorder
CCD Signal Processor for
GENERAL DESCRIPTION
Camcorder
FEATURES
BW1220X
The BW1220X is complete CCD and video signal
processor for digital cameras. It converts the analog
input signal into 10-bit binary digital codes at a
maximum sampling rate of 12MHz. The BW1220X
includes
CDS(Correlated
Double
Sampler),
PGA(Programmable Gain Amplifier), clamp for video
input, and 10-bit analog to digital converter with
reference generator.
- Integrated Correlated Double Sampler
- Analog Programmable Gain Amplifier
(gain step : 0.156, gain range : 0.156
隆-
40 time)
- Video Input available
- Internal Voltage Reference
- No Missing Code Guaranteed
- Operation by 3.3V Single Power Supply
- 64 QFP Package
TYPICAL APPLICATIONS
- Digital Camcorder
- Still Camera
FUNCTIONAL BLOCK DIAGRAM
VDDA
VBB
VDDD
VDDC
VSSD
VSSA
VSSC
SELIN
OEN
CLAMP
VIDEOIN
Video Buffer
10 b
CLAMP
PG
DG
CLAMP
CDS
PGA
PBLK
MUX
10 b ADC
DO[9:0]
RPGA
CLP4
BandGap
Clock
Serial to parallel
converter
8b
MODE
MCLK
CLP1
SHD
SHP
SCLK
PD
BGR
COM
REFB
REFT
Ver 2.0 (April, 2002)
No responsibility is assumed by SEC for its use nor for any
infringements of patents or other rights of third parties that may
result from its use. The content of this datasheet is subject to
change without any notice.
SEC ASIC
DP[7:0]
DS
SDI
SCSN
1 / 16
MIXED