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N1506 MS PC B8-6692 No.8272-1/5
Any and all SANYO Semiconductor 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 Semiconductor representative
nearest you before using any SANYO Semiconductor products described or contained herein in such
applications.
SANYO Semiconductor 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 Semiconductor
products described or contained herein.
LA47512
Overview
The LA47512 is a four-channel 45W BTL power amplifier IC for car stereo systems.
Features
Maximum output : 45W×4 (at VCC = 14.4V, RL = 4, VI = 2.5Vrms)
Very low external component count (No oscillator prevention RC circuit, NF circuit, or BS capacitor required)
Electrically driven mirror noise countermeasure pin provided
Mute function
Standby switch
Full compliment of protection circuits, including shorting to power, shorting to ground, load shorting, and thermal
protection circuits
Specifications
Maximum Ratings at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
VCC max1
No signal, t = 1 minute
26
V
Maximum supply voltage
VCC max2
With signal
18
V
Maximum output current
IO peak
Per channel
4.5
A
Allowable power dissipation
Pd max
With a infinity large heat sink (note)
50
W
Operating temperature
Topr
-40 to +85
°C
Storage temperature
Tstg
-40 to +150
°C
Junction-to-case thermal resistance
θj-c
1
°C/W
Note : Power consumption (Pd), junction-to-case thermal resistance (
θj-c), heat sink thermal resistance (θf), junction
temperature (Tj), case temperature (Tc), and ambient temperature (Ta) have the relationship shown in the following
equation.
Tj = Pd (
θj-c+θf) +Ta
= Pd
×θj-c+Tc,
*Tc = Pd
×θf+Ta However, Tj max is limited by Tstg max (150°C)
Monolithic Linear IC
Four-Channel BTL Power Amplifier IC
for Car Stereo Systems
Ordering number : EN8272