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TDA8786A View Datasheet(PDF) - Philips Electronics

Part NameTDA8786A Philips
Philips Electronics Philips
Description10-bit analog-to-digital interface for CCD cameras.
TDA8786A Datasheet PDF : 28 Pages
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Philips Semiconductors
10-bit analog-to-digital interface for
CCD cameras
Product specification
TDA8786; TDA8786A
handbook, full pagewidth
IN1 and IN2
thd1
PIXEL
N
PIXEL
N+1
PIXEL
N+2
PIXEL
N+3
PIXEL
N+4
CDSP1
(active HIGH)
CDSP2
(active HIGH)
sample N
CLK
DATA
OUTPUT
D0 to D7
PIXEL N 4
The hatched areas represent active video.
thd2
td
PIXEL N 3
PIXEL N 2
th
PIXEL N 1
td (OUT)
Fig.15 Pixel frequency timing diagram.
PIXEL N
MGE367
handbook, full pagewidth
AGCOUT
VIDEO
OPTICAL BLACK
HORIZONTAL FLYBACK
DUMMY
VIDEO
CLPCDS
(active HIGH)
CLPOPB
(active HIGH)
PBK
(active HIGH)
PRE-
BLANKING
OUTPUT
VIDEO
CLPADC
(active HIGH)
BLACK LEVEL
VIDEO
MGE368
1997 Nov 17
Fig.16 Line frequency timing diagram.
18
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The TDA8786; TDA8786A is a 10-bit analog-to-digital interface for CCD cameras. The device includes a correlated double sampling circuit, AGC, a soft clipper circuit and a low power 10-bit Analog-to-Digital Converter (ADC) together with its reference voltage regulator.

The AGC and soft clipper circuits are controlled by on-chip DACs via a serial interface.
A 10-bit DAC controls the ADC input clamp level. A pre-blanking function is also included.
An additional DAC is provided for additional system controls; its output voltage range is 1.4 V (p-p) which is available at pin OFDOUT.

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