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LA4728 Datasheet(Fiches technique) 1 Page - Sanyo Semicon Device

Numéro de pièce LA4728
Description  2-Channel BTL Power Amplifier 35 W35 W with Standby Switch for Car Stereos
Télécharger  3 Pages
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Fabricant  SANYO [Sanyo Semicon Device]
Site Internet  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LA4728 Datasheet(HTML) 1 Page - Sanyo Semicon Device

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LA4728
Ordering number : EN
*5716
2-Channel BTL Power Amplifier (35 W+35 W)
with Standby Switch for Car Stereos
Preliminary
Monolithic Linear IC
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
Overview
The LA4728 is a BTL two-channel power IC for car
audios developed in pursuit of excellent sound quality.
Low-region frequency characteristics have been improved
through the use of a new NF capacitorless circuit, and
crosstalk which causes ?muddy? sound has been reduced
by improving both circuit and pattern layout. As a result
the LA4728 provides powerful bass and clear treble.
Features
? High power: supports total output of 35 W+35 W. [EIAJ
power] (VCC=14.4 V, THD=30 %, RL=4 ?)
? Less pop noise.
? Designed for excellent sound quality.
(fL<10 Hz, fH=130 kHz)
? Any rise time settable by an external capacitor.
? Standby switch circuit on chip. (microcontroller support-
ed)
? Various protectors on chip.
(output-to-ground short/ output-to-VCC short/ load
short/ overvoltage/ thermal shutdown circuit)
? The LA4728 is pin-compatible with the LA4725.
Specifications
Maximum Ratings at Ta = 25 ?C
Recommended Conditions at Ta = 25 ?C
Package Dimensions
unit: mm
3113A-SIP14HZ
[LA4728]
SANYO: SIP14HZ
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VCC max
18
V
Surge supply voltage
VCC surge f ? 0.2 s, single giant pulse
50
V
Maximum output current
IO peak
Per channel
3.5
A
Allowable power disspation
Pd max
With arbitrarily large heat sink
32
W
Operating temperature
Topr
?35 to +85
?C
Storage temperature
Tstg
?40 to +150
?C
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
VCC
13.2
V
Operating voltage range
VCC op
Range where Pd max is not exceeded
9 to 16
V
Recommended load resistance
RL op
4
?
32497RM(KOTO) No.5716-1/3


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