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): 18/30頁
文件大?。?/td> 238K
代理商: TDA8501T
April 1993
18
Philips Semiconductors
Preliminary specification
PAL/NTSC encoder
TDA8501
CVBS output (pin 16)
I
sink
I
source
V
O
G
maximum sink current
maximum source current
DC voltage level
Y +SYNC gain;
from pin 20 to pin 16
chrominance difference;
from pin 14 to pin 16
differential phase
differential gain
output resistance
650
1000
1.6
12
μ
A
μ
A
V
dB
Y +SYNC = 0
G
0
dB
G
G
V
R
O
note 3
note 4
120
3
3
degrees
dB
Oscillator output (pin 23)
OSC
series-resonance
the resonance resistance of the crystal should be
<
60
and the
parallel capacitance of the crystal should be
<
10 pF.
Filter tuning loop (pin 15)
V
DC
V
DC
V
DCL
V
DCH
DC control voltage level NTSC
DC control voltage level PAL
limited DC-level LOW
limited DC-level HIGH
0.83
0.88
0.27
1.8
V
V
V
V
I
O
= 200
μ
A
I
I
= 200
μ
A
H2 (pin 4)
V
IL
V
IH
I
I
I
O
V
O
V
O
I
sink
I
source
LOW level input voltage
HIGH level input voltage
current for forcing HIGH
current for forcing LOW
voltage out LOW
voltage out HIGH
maximum sink current
maximum source current
inactive
active
0
4
220
260
4
50
50
1
5
<
0.5
V
V
μ
A
μ
A
V
V
μ
A
μ
A
Composite sync input (pin 24)
V
SYNC
SYNC pulse amplitude
slicing level
input current
maximum output current during
SYNC
75
300
50
4
100
600
mV (p-p)
%
μ
A
μ
A
I
I
I
O
BURST ADJ (pin 21; note 5)
BP
DC voltage level
V
REF
(V13)
V
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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