參數(shù)資料
型號: TDA8501T
廠商: NXP SEMICONDUCTORS
元件分類: 顏色信號轉(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): 17/30頁
文件大小: 238K
代理商: TDA8501T
April 1993
17
Philips Semiconductors
Preliminary specification
PAL/NTSC encoder
TDA8501
NOTCH (pin 18)
R
O
V
CC
I
sink
output resistance
DC voltage level
maximum sink current
1750
350
2000
2.5
2500
V
μ
A
Chrominance output (pin 14)
I
sink
I
source
R
O
V
DC
maximum sink current
maximum source current
output resistance
variation of DC voltage level
when chrominance signal is
blanked and chrominance signal is
not blanked
PAL mode; pin 17 = 0 V
V
O
chrominance output voltage
(peak-to-peak) amplitude burst
ratio: chrominance
(75% RED)/burst
NTSC mode; pin 17 = 5 V
V
O
chrominance output voltage
(peak-to-peak) amplitude burst
ratio: chrominance
(75% RED)/burst
carrier suppression when
input-signals are 0 V
phase accuracy (difference
between 0 and 90 degree carriers)
LPF
Low-pass filters
BPF
Band-pass filters
V
n
noise level (RMS value)
BP
burst phase; 0 degrees = phase U carrier
PAL mode
NTSC mode
α
Y
+
SYNC cross talk
(0 to 6 MHz)
700
1000
120
5
μ
A
μ
A
mV
480
600
720
mV
2.1
2.2
2.3
460
570
680
mV
2.1
2.2
2.3
0 dB = 1330 mV
(peak-to-peak)
37
dB
2
degrees
see Figs 3 and 4
see Figs 5 and 6
4
mV
±
135
180
60
degrees
degrees
dB
0 dB = 1400 mV
(peak-to-peak)
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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