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LA7054 Datasheet(PDF) 2 Page - Sanyo Semicon Device

Part No. LA7054
Description  Video, Audio Signal Processor for UHF Band RF Modulator
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Maker  SANYO [Sanyo Semicon Device]
Homepage  http://www.ssdc-jp.com/eng/
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LA7054 Datasheet(HTML) 2 Page - Sanyo Semicon Device

   
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LA7054
No.2558-2/3
Operating Characteristics at Ta=25°C, VCC=5V
Parameter
Symbol
SW Mode
Conditions
Ratings
Unit
SW1
SW2
SW3
min
typ
max
Current drain
ICC
a
a
a
10
14
18
mA
Video clamp voltage
VCL
a
b
a
1.35
1.60
1.85 Vp-p
White clip level
VWC
c
a
VWC=V1–VCL
1.10
1.14
1.18 Vp-p
V1 : Output voltage
TSG output amplitude
VTO
b
0.85
1.00
1.15 Vp-p
TSG V/S ratio
V/S
b
6.0/4.0 6.5/3.5 7.2/2.8
Horizontal sync signal period
tS
b
63.7
64.0
64.3
µs
Horizontal sync signal width
HS
b
3.6
4.0
4.4
µs
White signal width
HV
b
3.6
4.0
4.4
µs
Sync-1st white signal rise time
tV1
b
22
24
26
µs
Sync-2nd white signal rise time
tV2
b
38
40
42
µs
Audio carrier amplitude
VAO
b
1.05
1.30
1.55 Vp-p
Audio modulation degree A
ms
Input signal : 1kHz
73
81
89
%
Audio modulation degree B
ms
4.5Vp-p,
81
90
99
%
Audio modulation degree C
ms
±50kHz : 100%
90
100
110
%
Audio modulation degree D
ms
99
110
121
%
Audio modulation degree E
ms
109
121
133
%
Audio distortion
THD
Same as above
0.3
1.5
%
Equivalent Circuit Block Diagram


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