MC44BC374EJB Freescale Semiconductor, MC44BC374EJB Datasheet - Page 10

• Manufacturer Part Number: MC44BC374EJB
• Description: IC MODULATOR ANT BOOSTER 24TSSOP
• Manufacturer: Freescale Semiconductor
• Type: Modulatorr

Specifications of MC44BC374EJB

• Applications: Set-Top Boxes
• Mounting Type: Surface Mount
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Video Characteristics
9 Video Characteristics
Unless otherwise stated: V
grayscale. RF inputs/outputs into 75Ohm load. SPECIFICATIONS VALID ONLY FOR ENVELOPE
DEMODULATION.
Video bandwidth
Video input level
Video input current
Video input impedance
Peak White Clip
Video S/N
Differential Phase
Differential Gain
Luma/Sync ratio
PAL video modulation depth
SECAM video modulation depth —
90
88
86
84
82
80
78
76
74
Parameter
471 521 571 621 671 721 771 821 871
PA L V id e o M o d u latio n De p th
Typical
Fr e q u e n cy (M h z )
Maximum specification
Minimum specification
cc
Freescale Semiconductor, Inc.
= 5.0 V, Ambient Temperature = 25
For More Information On This Product,
Reference 0dB at 100kHz,
measured at 5MHz.
75Ohm load.
—
—
PWC bit set to 1, see PWC section.
See Figure 4.
See Figure 4.
On line CCIR 310, worst of first 4 out
of 5 steps. See Figure 4.
Input ratio 7.0 : 3.0
—
Figure 4. Typical Performance—Video
58
56
54
52
50
48
471 521 571 621 671 721 771 821 871
MC44BC373/374 Technical Data
Go to: www.freescale.com
Test Conditions
Typical
V ide o Signal to Nois e
Fre que ncy (M hz)
Minimum specification
100
98
96
94
92
90
88
86
471 521 571 621 671 721 771 821 871
SEC A M V id e o M o d u latio n De p th
o
Typical
C, Video Input 1V
6.8/3.2
–1.5
Min
500
110
50
–5
–5
—
—
75
88
Fr e q u e n cy (M h z )
Maximum specification
Minimum specification
–0.8
Typ
114
0.2
53
81
93
—
—
—
—
—
7.2/2.8
p-p
Max
118
1.5
88
99
—
—
—
1
5
5
, 10-step
Vcvbs
Unit
deg
KΩ
dB
µA
dB
—
%
%
%
%
Type
C
D
A
A
A
C
C
C
B
B
B