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LA73074CL Datasheet(PDF) 3 Page - Sanyo Semicon Device

Part No. LA73074CL
Description  Monolithic Linear IC Video Driver for DSC/Cell Phone
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Maker  SANYO [Sanyo Semicon Device]
Homepage  http://www.ssdc-jp.com/eng/
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LA73074CL
No.A0910-3/6
Package Dimensions
unit : mm (typ)
3334
Pin Assignment, Pin Function Diagram and Block Diagram
SANYO : ECSP2823-10
2.3
0.325
0.075
TOP VIEW
SIDE VIEW
SIDE VIEW
BOTTOM VIEW
High
Open
Low
9dB
12dB
6dB
High
Open
Low
Standby
Active
← 0V
AMP
75
Video
Driver
Minus
Voltage
Generator
LPF
CLAMP
1
2
3
4
5
10
9
8
7
6
AGND
GAINCTL
PSAVCTL
CLKOUT
VCCN
VCC
from
DAC
1
µF
2.2
µF
VIN
VOUT
75
ND1
VOUT
VCC
GND
2.2
µF
TDK
C1608 JB 1C 225K
TDK
C1608 JB OJ 475K
TDK
C1608 JB 1C 225K
(Note 2)
Use the input capacity value within a range of 0.1
µF
to 1
µF while checking the sag condition of the output
waveform.
(Note 1)
Position the decoupling
capacitor of VCC-GND as
near as possible to this IC.
Active
Input signal)
Signal
→ ON
No signal
→ OFF
Standby
→ OFF
(Note 3) For these two capacities;
Temperature characteristic B rank (
±10%)
Electrostatic tolerance
K rank(
±10%)
and Withstand voltage of 6.3V or more are recommended.
(Note 4) Wiring from V OUT (pin 9) to 75Ω must be as short as possible.
(Note 5)
As the minus power supply in this IC generates the clock for charge pump power supply by extracting the sink component of the input Video
signal (synchronous isolation) and by detecting its fall, the portion around the V-syncrhonization of this IC output may be reduced when the
pseudo V signal without cut-in pulse is inserted as in the case of certain analog VCR special play (search). On the contrary, there is no problem
when the pseudo V signal has the cut-in pulse. Pay due attention on this fact duri ng use.




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