MC44BC375UA FREESCALE [Freescale Semiconductor, Inc], MC44BC375UA Datasheet - Page 9

• Manufacturer Part Number: MC44BC375UA
• Description: PLL Tuned VHF Audio/Video High Integration IC
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

10 Video Characteristics
11 Audio Characteristics
All audio measurement use specified pre-emphasis circuit.
12 Characterization Measurement Conditions
Device default configuration unless otherwise specified:
RF Inputs / Output into 75ohm Load using a 75 to 50 ohm transformation.Video Input 1V pk-pk.Audio
pre-emphasis circuit engaged.
Video bandwidth
Video input level
Video input current
Video input impedance
Video S/N
Differential Phase
Differential Gain
Luma/Sync ratio
Video modulation depth
Peak White Clip
Picture to Sound ratio
Picture to Sound ratio difference between PSS = HI and PSS = LO
Audio FM Modulation Depth
Audio input resistance
Audio Frequency response
Audio Distortion FM (THD only) At 1 kHz and 100% mod (+/- 50 kHz) - No Video
Audio S/N with Sync Buzz FM
•
•
•
Parameter
Sound subcarrier frequency = 5.5Mhz
Picture-to-sound carrier ratio = 12dB
CH3 & CH4 frequencies
Parameter
Reference 0dB at 100kHz, measured at 5MHz
75Ohm load
Unweighted
Weighted
On line 17 in M standard (FCC)
On line 17 in M standard (FCC)
Input ratio 7.0:3.0
Video input level=1.0 V
Video Modulation Depth for Video=1.4 V
Freescale Semiconductor, Inc.
For More Information On This Product,
PSS (Pin2) = HI
PSS (Pin2) =LO
Using specific pre-emphasis circuit - Audio Input: 1Khz @ 205 mVrms
Fs = 4.5 MHz
(100% Modulation = +/- 25 kHz FM Deviation)
Fs = 5.5 MHz
(100% Modulation = +/- 50 kHz FM Deviation)
0dB ref @1kHz
Measure from 50Hz to 15kHz
MC44BC375UA Advance Information
Test Conditions
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cbvs
Test Conditions
cbvs
90.5
Min
-1.5
6.8/
3.2
49
56
80
—
—
—
+/-1.5
-2.5
Min
1.5
14
12
75
75
45
50
Typ
-0.5
500
0.2
—
52
60
—
85
95
-
1
Video Characteristics
Typ
2.0
0.3
16
14
85
85
55
53
-
Max
99.5
+/-5
7.2/
1.5
2.8
90
—
—
1
5
Max Unit Type
2.5
18
16
95
95
61
+2
1
-
Vcvbs
Unit
deg
KΩ
dB
µA
dB
dB
—
%
%
%
k
dB
dB
dB
dB
dB
%
%
%
Ω
Type
C
D
A
A
C
C
C
C
B
B
B
B
B
B
B
A
C
C
C