MC44BC374T1D 查看數據表（PDF） - Freescale Semiconductor
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MC44BC374T1D Datasheet PDF : 26 Pages
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Freescale Semiconductor, Inc. Video Characteristics
10 Video Characteristics
Unless otherwise stated: Vcc=5.0V, Ambient Temperture=25oC, Video Input 1Vp-p, 10-step grayscale. RF
inputs/outputs into 75Ohm load. SPECIFICATIONS ONLY VALID FOR ENVELOPE
DEMODULATION.
Parameter
Video bandwidth
Video input level
Video input current
Video input impedance
Peak White Clip
Video S/N
Differential Phase
Differential Gain
Luma/Sync ratio
Video modulation depth
Test Conditions
Min
Reference 0dB at 100kHz,
measured at 5MHz. See Note 2
–1.5
75Ohm load
—
—
500
PWC bit set to 1, see PWC section.
See Note 2
110
No sound modulation,100% white video
Using CCIR Rec.567 weighting filter
See Figure 4. See Note 2
50
Unweighted. See Note 2
45
CCIR Test Line 330, worst case from the
first 4 steps out of 5. See Note 2
–5
CCIR Test Line 310, worst case from the
first 4 steps out of 5. See Note 2
–5
Input ratio 7.0:3.0
6.8 /
3.2
See Figure 4.See Note 2
75
Typ
–0.8
—
0.2
—
114
53
—
—
—
—
81
Max Unit Type
—
dB
C
1.5 Vcvbs D
1
µA
A
— KΩ A
118 %
A
—
dB
C
—
C
5 deg C
5
%
C
7.2 /
2.8
—
B
88
%
B
Video Signal to Noise
58
56
Typical
54
52
50
Minimum specification
48
471 521 571 621 671 721 771 821 871
Frequency (Mhz)
PAL V ide o M odulation De pth
90
88
86
Maximum specification
84
Typical
82
80
78
76
Minimum specification
74
471 521 571 621 671 721 771 821 871
Fr e que ncy (M hz )
Figure 4. Typical performances
MC44BC374T1 Technical Data
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