mc44353 Freescale Semiconductor, Inc, mc44353 Datasheet - Page 6

• Manufacturer Part Number: mc44353
• Description: Multi.standard Pal/ntsc Modulator
• Manufacturer: Freescale Semiconductor, Inc

VIDEO CHARACTERISTICS
NOTES: 1. The circuit is equipped with a ’soft clip’ function. The Video Modulation depth is measured for a 1.0 V CVBS input level, giving modulation depth
6
Video Bandwidth
Video Input Level
Video Input Current
Peak White Clip (Note 1)
Video Input Impedance
Video S/N
Differential Phase
Differentical Gain
Luma/Sync ratio
PAL Video Modulation Depth Step 3
SECAM Video Modulation Depth
Step 5 (MC44353 Only)
60
55
50
45
21
2. The frequency dependent specifications are greatly influenced by the PCB layout in the application. These specifications have all been measured
24 27 30 33 36 39 42 45 48 51 54 57 60 63 66 69
MDA; then the same measurement is carried out for an input level of 1.5 V CVBS , giving modulation depth MDB. The Peak White Clip is defined as
100*(MDB)/(MBA).
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.
Characteristic
Figure 6. Video Signal to Noise
Maximum Specification Limit
Channel Number
Typical Performance
MC44353 MC44354 MC44355
(0/–1.0 dB; ref 0 dB @ 100 kHz)
Measured at 1.0 kHz (at Pin 13)
See Note 2
See Note 2
On line CCIR 310, worst from the
first 4 steps out of 5
Input ratio 7.0:3.0
P
Programmable in 8 steps of 2.5%
Test Conditions
bl i 8
f 2 5%
–2.0
–4.0
–6.0
–8.0
8.0
6.0
4.0
2.0
0
21
24 27 30 33 36 39 42 45 48 51 54 57 60 63 66 69
Figure 7
6.8/3.2
84.5
Min
108
76
5
–
–
–
–
–
MOTOROLA ANALOG IC DEVICE DATA
Figure 7. Differential Phase
Figure 6
Figure 7
500/4
90.5
Typ
112
1.0
50
82
Maximum Specification Limit
–
–
Minimum Specification Limit
-
Channel Number
Typical Performance
Figure 6
Figure 7
7.2/2.8
Max
96.5
200
116
1.5
88
–
–
5
V CVBS
k /pF
MHz
Unit
nA
dB
%
%
%
%
Type
C
D
A
B
D
C
C
C
B
B
B