LA4445 Datasheet, PDF (1/7 Pages) Sanyo Semicon Device – 5.5W 2-Channel AF Power Amplifier

Ordering number:ENN1277E
Monolithic Linear IC
LA4445
5.5W 2-Channel AF Power Amplifier
Features
Package Dimensions
• Dual channels.
unit:mm
Output : 5.5W×2 (typ.)
3049A-SIP12H
• Minimun number of external parts required.
• Small pop noise at the time of power supply ON/OFF and
[LA4445]
good starting balance.
27.0
4.0
20.0
• Good ripple rejection : 46dB (typ.)
• Good channel separation.
• Small residual noise (Rg=0).
• Built-in protectors.
a. Thermal protector
b. Overvoltage, surge protector
c. Adjacent pins (9-10, 9-8) short protector
1
2.5
2.0 0.5
1.0
Specifications
Absolute Maximum Ratings at Ta = 25˚C
Parameter
Maximum supply voltage
Surge supply voltage
Maximum output current
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
Conditions
VCC max1
VCC max2
VCC(surge)
IO peak
Pd max
Quiescent (t=30s)
Operating
t≤0.2s
1 channel
See Pd max – Ta characteristic.
Topr
Tstg
12
0.4
2.0
SANYO : SIP12H
Ratings
Unit
25 V
18 V
50 V
3.5 A
15 W
–20 to +75 ˚C
–40 to +150 ˚C
Operating Conditions at Ta = 25˚C
Parameter
Recommended supply voltage
Recommended load resistance
Operating voltage range
Symbol
VCC
RL
VCC op
2 channels
Conditions
Ratings
Unit
13.2 V
4Ω
10 to 16 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
21500TH (KT)/90196RM/N283KI, TS No.1277–1/7