LM9822CCWMX2 NSC [National Semiconductor], LM9822CCWMX2 Datasheet - Page 2

• Manufacturer Part Number: LM9822CCWMX2
• Description: LM9822 3 Channel 42-Bit Color Scanner Analog Front End
• Manufacturer: NSC [National Semiconductor]

LM9822 Block Diagram
GREEN OS
from CCD
BLUE OS
from CCD
from CCD
RED OS
SCLK
SDI
SDO
SEN
OS
OS
OS
G
R
B
Interface
VClamp
Serial
V
A
AGND
CDS
CDS
CDS
MCLK
x1or x3
Boost
x1or x3
x1or x3
Gain
CLMP VSMP
Timing and Control
1
+
+
+
Offset
DACs
Offset
DAC
Offset
DAC
Offset
Static
DAC
+
+
+
R
G
B
6
Balance PGAs
Coarse Color
x0.93
x0.93
x0.93
to x3
to x3
to x3
5
V
A
Reference
Bandgap
Internal
14-Bit
ADC
AGND
14
V
D
14 bits
to 8 bit
Bytes
DGND
D7 - D0
V
V
V
V
BANDGAP
REF+
REF-
REFMID