Ordering number:ENN1718B
Monolithic Linear IC
LA4550
2-Channel AF Power Amplifier for Radio, Tape Recorder Use
Feature...
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
0.51min 3.46 7.62 3.5 4.26max 6.45 0.4
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 13 4
–20 to +75 –55 to +150
Unit V W ˚C ˚C
Ratings 6, 9
2 to 8 4 to 8 4 to 8
8 3.6 to 12
Unit
V Ω Ω Ω Ω 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 ...