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參數資料
| 型號： | 935243460557 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 顏色信號轉換 |
| 英文描述： | COLOR SIGNAL ENCODER, PQFP44 |
| 封裝： | PLASTIC, SOT-307, QFP-44 |
| 文件頁數： | 17/35頁 |
| 文件大小： | 261K |
| 代理商： | 935243460557 |
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1997 Jan 06
24
Philips Semiconductors
Preliminary specication
Digital Video Encoder (ConDENC)
SAA7120; SAA7121
Notes
1. At maximum supply voltage with highly active input signals.
2. The data is for both input and output direction.
3. With LLC in input mode. In output mode, with a crystal connected to XTALO/XTALI duty factor is typically 50%.
4. If an internal oscillator is used, crystal deviation of nominal frequency is directly proportional to the deviation of
subcarrier frequency and line/field frequency.
5. For full digital range, without load, VDDA = 3.3 V. The typical voltage swing is 1.35 V, the typical minimum output
voltage (digital zero at DAC) is 0.2 V.
Crystal oscillator
fn
nominal frequency (usually 27 MHz)
3rd harmonic
30
MHz
f/fn
permissible deviation of nominal frequency
note 4
50 × 106 +50 × 106
CRYSTAL SPECIFICATION
Tamb
operating ambient temperature
0
70
°C
CL
load capacitance
8
pF
RS
series resistance
80
C1
motional capacitance (typical)
1.5
20% 1.5 + 20%
fF
C0
parallel capacitance (typical)
3.5
20% 3.5 + 20%
pF
Data and reference signal output timing
CL
output load capacitance
7.5
40
pF
th
output hold time
4
ns
td
output delay time
25
ns
C, Y and CVBS outputs
Vo(p-p)
output signal voltage (peak-to-peak value)
note 5
1.20
1.45
V
Rint
internal serial resistance
1
3
RL
output load resistance
75
300
B3dB
output signal bandwidth of DACs
10
MHz
ILE
LF integral linearity error of DACs
±3
LSB
DLE
LF differential linearity error of DACs
±1
LSB
SYMBOL
PARAMETER
CONDITIONS
MIN.
MAX.
UNIT
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