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參數資料
| 型號： | MC44355DW |
| 廠商： | MOTOROLA INC |
| 元件分類： | 消費家電 |
| 英文描述： | MULTI.STANDARD AND PAL/NTSC MODULATOR ICs |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO20 |
| 封裝： | PLASTIC, SO-20 |
| 文件頁數： | 6/20頁 |
| 文件大小： | 438K |
| 代理商： | MC44355DW |
MC44353 MC44354 MC44355
6
MOTOROLA ANALOG IC DEVICE DATA
VIDEO CHARACTERISTICS
Characteristic
Test Conditions
Min
Typ
Max
Unit
Type
Video Bandwidth
(0/–1.0 dB; ref 0 dB @ 100 kHz)
5
-
–
MHz
C
Video Input Level
–
–
1.5
VCVBS
nA
D
Video Input Current
–
50
200
A
Peak White Clip (Note 1)
108
112
116
%
B
Video Input Impedance
Measured at 1.0 kHz (at Pin 13)
–
500/4
–
k
/pF
D
Video S/N
See Note 2
–
Figure 6
Figure 6
dB
C
Differential Phase
Figure 7
Figure 7
Figure 7
°
C
Differentical Gain
On line CCIR 310, worst from the
first 4 steps out of 5
–
1.0
5
%
C
Luma/Sync ratio
Input ratio 7.0:3.0
6.8/3.2
–
7.2/2.8
B
PAL Video Modulation Depth Step 3
Programmable in 8 steps of 2.5%
bl i 8
f 2 5%
76
82
88
%
B
SECAM Video Modulation Depth
Step 5 (MC44353 Only)
84.5
90.5
96.5
%
B
NOTES:
1.The circuit is equipped with a ’soft clip’ function. The Video Modulation depth is measured for a 1.0 VCVBS input level, giving modulation depth
MDA; then the same measurement is carried out for an input level of 1.5 VCVBS, giving modulation depth MDB. The Peak White Clip is defined as
100*(MDB)/(MBA).
2.The frequency dependent specifications are greatly influenced by the PCB layout in the application. These specifications have all been measured
using a Motorola application layout and circuit similarly as shown in Figures 19 and 21. The reference number for ordering this evaluation board
is MC44350EVK.
–6.0
60
21
d
Channel Number
24 27 30 33 36 39 42 45 48 51 54 57 60 63 66 69
55
50
45
Typical Performance
Maximum Specification Limit
21
D
Channel Number
24 27 30 33 36 39 42 45 48 51 54 57 60 63 66 69
–8.0
Typical Performance
Maximum Specification Limit
–4.0
–2.0
0
2.0
4.0
6.0
8.0
Minimum Specification Limit
Figure 6. Video Signal to Noise
Figure 7. Differential Phase
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