參數(shù)資料
型號(hào): TDA8501T
廠商: NXP SEMICONDUCTORS
元件分類: 顏色信號(hào)轉(zhuǎn)換
英文描述: PAL/NTSC encoder
中文描述: COLOR SIGNAL ENCODER, PDSO24
封裝: PLASTIC, SOT-137AH1, 24 PIN
文件頁數(shù): 4/30頁
文件大小: 238K
代理商: TDA8501T
April 1993
4
Philips Semiconductors
Preliminary specification
PAL/NTSC encoder
TDA8501
Fig.2 Pin configuration.
PINNING
U and V respectively, are the terms used to describe the colour difference signals at the output of the matrix.
SYMBOL
(R
Y)
MCONTROL
(B
Y)
H/2
PIN
DESCRIPTION
1
2
3
4
colour difference input signal, for EBU bar (75%) 1.05 V (p-p)
multiplexer switch control input; HIGH = RGB, LOW =
(R
Y),
(B
Y), Y
colour difference input signal, for EBU bar (75%) 1.33 V (p-p)
line pulse input/output divided-by-2 for synchronizing the internal H/2, if not used, this pin
dependent on mode selected, is either left open-circuit, or connected to V
CC
or to ground
(note 1)
luminance input signal 1 V nominal without sync
U modulator offset control capacitor
RED input signal for EBU bar of 75% 0.7 V (p-p)
supply voltage; 5 V nominal
GREEN input signal for EBU bar of 75% 0.7 V (p-p)
ground (0 V)
BLUE input signal for EBU bar of 75% 0.7 V (p-p)
V modulator offset control capacitor
2.5 V internal reference voltage output
chrominance output
filter tuning loop capacitor
composite PAL or NTSC output, 2 V (p-p) nominal
Y
U OFFSET
R
V
CC
G
V
SS
B
V OFFSET
V
REF
CHROMA
FLT
CVBS
5
6
7
8
9
10
11
12
13
14
15
16
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