Datasheet Sanyo LA4550

Ordering number:ENN1718B Monolithic Linear IC LA4550
2-Channel AF Power Amplifier
for Radio, Tape Recorder Use
Features Package Dimensions • 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. unit:mm
3022A-DIP12F
[LA4550]
12 0.4 7.62
6.45 7 1 5.12 6 0.81 0.5
2.54 3.6 3.46 4.26max 0.51min 3.5 19.4 1.3 Specifications SANYO : DIP12F Absolute Maximum Ratings at Ta = 25˚C
Parameter Symbol Conditions Ratings Unit Maximum supply voltage VCC max 13 V Allowable power dissipation Pd max* 4 W Operating temperature Topr –20 to +75 ˚C Storage temperature Tstg –55 to +150 ˚C * With recommended PCB (See sample printed circuit pattern.) Operating Conditions at Ta = 25˚C
Parameter
Recommended supply voltage Recommended load resistance Symbol Conditions Ratings VCC RL Unit
6, 9 V Stereo 6V 2 to 8 Ω BTL 6V 4 to 8 Ω Stereo 9V 4 to 8 Ω 8 Ω 3.6 to 12 V BTL 9V …