TDA8758 Datasheet, PDF (3/24 Pages) NXP Semiconductors – YC 8-bit low-power analog-to-digital video interface

Philips Semiconductors
YC 8-bit low-power analog-to-digital video
interface
BLOCK DIAGRAM
Product specification
TDA8758
handbook, full pagewidth
SEL2
VCCD VCCO2
VCCA
VCCO1
CCLPC
VCCA
REG1 REG2
DEC2
SDN
DEC1
DEC3
ANOUTC
5
10 21 41 32
48 45 8 44 17 1 46 15
2
CHROM2
4
CHROM1
CVBS3
6
INPUT
SELECTOR
CLAMP
LEVEL 128
TDA8758
ADC
COMPARATOR
TTL
C7 to C0
33 8
to
40
OFC
47
TIMING
42
GENERATOR
CLK
9
Y2/CVBS2
11
Y1/CVBS1
AGC &
CLAMP 64
COMPARATORS
ADC
22
OFY
23
to
30
TTL
8 ^{Y7 to Y0}
12
SEL1
14
19 20
7 13
16
31 43 18 3
PWE
CCLPY
GATE A
GATE B
CAGC
OGND2
DGND
ANOUTY
OGND1
AGND
MGB469 - 1
Fig.1 Block diagram.
1996 Feb 01
3