LA4550 데이터 시트보기 (PDF) - SANYO -> Panasonic
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LA4550 Datasheet PDF : 9 Pages
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Ordering number:ENN1718B
Monolithic Linear IC
LA4550
2-Channel AF Power Amplifier
for Radio, Tape Recorder Use
Features
• Low quiescent current.
• On-chip 2 channels permitting use in stereo and bridge
amplifier applications.
• High output.
• Minimum number of external parts required.
(9 pcs. munimum)
• Good ripple rejection (at steady state).
• Soft tone at the output saturation mode.
• Good channel separation.
• Easy thermal design.
• Small pop noise at the time of power supply ON/OFF.
Package Dimensions
unit:mm
3022A-DIP12F
[LA4550]
12
7
1
5.12
6
19.4
Specifications
Absolute Maximum Ratings at Ta = 25˚C
Parameter
Symbol
Maximum supply voltage
Allowable power dissipation
Operating temperature
VCC max
Pd max*
Topr
Storage temperature
Tstg
* With recommended PCB (See sample printed circuit pattern.)
Operating Conditions at Ta = 25˚C
Parameter
Recommended supply voltage
Recommended load resistance
Operating voltage range
Symbol
VCC
RL
VCCop
Stereo 6V
BTL 6V
Stereo 9V
BTL 9V
0.5
3.6
0.81
2.54
Conditions
Conditions
1.3
SANYO : DIP12F
Ratings
Unit
13 V
4W
–20 to +75 ˚C
–55 to +150 ˚C
Ratings
Unit
6, 9 V
2 to 8 Ω
4 to 8 Ω
4 to 8 Ω
8Ω
3.6 to 12 V
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft’s
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges,or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
21800TN (KT)/O147KI/6215MW, TS No.1718–1/9
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