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參數(shù)資料
| 型號： | SDA5275S |
| 廠商： | SIEMENS A G |
| 元件分類： | 圖文 |
| 英文描述： | ICs for Consumer Electronics MEGATEXT and MEGATEXT PLUS ICs |
| 中文描述： | TELETEXT DECODER, PDIP52 |
| 文件頁數(shù)： | 18/30頁 |
| 文件大?。?/td> | 142K |
| 代理商： | SDA5275S |
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SDA 5273 / 75
SDA 5273-2 / 75-2
Semiconductor Group
18
1997-09-01
Characteristics
(cont’d)
T
A
= 0 to 70
°
C
Parameter
The center frequency of the MEGATEXT horizontal PLL is proportional to the crystal frequency. In PAL-mode the
centre frequency is 15.625 kHz for the typical crystal frequency of 20.48 MHz. Deviations from the typical crystal
frequency will shift the range of the horizontal frequencies where the PLL is able to lock.
Symbol
Limit Values
Unit
Test Condition
min.
typ.
max.
CVBS-Input and ADC (
V
REF
= 3 V)
Input leakage current
I
l
C
P
C
CPL
– 1.0
1.0
μ
A
pF
CVBS = 2 V
Input capacitance
45
Ext. coupling capacitance
100
nF
Sensitivity of clamp level to
current leakage/injection
– 15
15
mV/
μ
A
V
I
l
= 2
μ
A
C
CPL
= 100 nF
V
REF
= 3 V
ADC-range
1.7
2.0
CVBS-sync amplitude
0.1
V
Crystal Oscillator: XIN, XOUT
Bias resistance between XIN,
XOUT
R
Xbias
60
120
180
k
Small signal voltage gain
G
V
C
FB
C
P
8
13
100 kHz, 50 mVpp
Feedback capacitance
4.0
pF
Pin capacitance
7.0
pF
Crystal
Nominal frequency
f
O
d
f/f
O
20.48
MHz
Effect of temperature and
accuracy of adjustment
– 5 %
+ 5 %
Temperature range
T
A
Z
R
C
L
0
70
°
C
pF
Resonant impedance
Equivalent parallel
C
Crystal load
40
15
0.1
mW
Ext. capacitors
C
1,2
15
pF
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| SDA5275SP | ICs for Consumer Electronics MEGATEXT and MEGATEXT PLUS ICs |
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| SDA5273C-2CS | ICs for Consumer Electronics MEGATEXT and MEGATEXT PLUS ICs |
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| SDA5273-2P | Cable ID Markers RoHS Compliant: Yes |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SDA5275SP | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:ICs for Consumer Electronics MEGATEXT and MEGATEXT PLUS ICs |
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| SDA5451 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:Video Text Controller |
| SDA5452 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:Video Text Controller |
| SDA5453 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:Video Text Controller |
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