LA4627 Sanyo Semiconductor Corporation, LA4627 Datasheet

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LA4627

Manufacturer Part Number
LA4627
Description
2.5 W two-channel audio frequency power amplifier
Manufacturer
Sanyo Semiconductor Corporation
Datasheet

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Ordering number : ENN6501
Overview
The LA4627 is a 2-channel power amplifier de-
veloped for use in radio/cassette player products.
The LA4627 reduces the number of required ex-
ternal components by 50% over earlier products
(BS/NF capacitors and oscillation prevention RC
components) and thus can contribute significantly
to space saving in end products.
Features
• Provided in the DIP12F.
• P O :2.0 W
• Standby function built in
• Built-in thermal protection circuit.
Specifications
Maximum Ratings at Ta = 25 C
Operating Conditions at Ta = 25 C
Maximum supply voltage
Allowable power dissipation
Operating temperature
Storage temperature
Recommended supply voltage
Recommended load resistance
Operating voltage range
Recommended operating load resistance
(supports direct microcontroller control).
2.5 W
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.
Parameter
Parameter
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.
2 (V CC = 9 V, R L = 4 )
2 (V CC = 9 V, R L = 3 )
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
SANYO Electric Co.,Ltd. Semiconductor Company
V CC max
V CC op
Symbol
Pd max
Symbol
R L op
V CC
Two-Channel Audio Frequency Power Amplifier
Topr
Tstg
R L
Rg = 0
When mounted on the Sanyo-recommended PCB
Under conditions such that the maximum ratings are not exceeded.
LA4627
Package Dimensions
unit : mm
3022B-DIP12F
(0.61)
12
1
2.54
Conditions
Conditions
0.5
19.0
5.12
3.6
3.81
[LA4627]
1.25
1.3
7
6
SANYO : DIP12F(300mil)
Monolithic Linear IC
42000 RM (IM)
--55 to +150
- -25 to +75
2.7 to 8.0
Ratings
Ratings
LA4627
5.0 to 20
4.0
22
9
3
No.6501-1/6
Unit
Unit
W
V
V
V
C
C

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LA4627 Summary of contents

Page 1

... Ordering number : ENN6501 Overview The LA4627 is a 2-channel power amplifier de- veloped for use in radio/cassette player products. The LA4627 reduces the number of required ex- ternal components by 50% over earlier products (BS/NF capacitors and oscillation prevention RC components) and thus can contribute significantly to space saving in end products. ...

Page 2

... ILA00055 POWER GND Fin V CC OUT1 LA4627 OUT2 Fin • Pins must be left open. *• Rx: If the STBY pin (pin 1) is used, observe the following: Insert the resistor Rx in series to limit the inflowing current. (The amplifier will be on when a voltage is applied to pin 1.) ...

Page 3

... Although the recommended value for the input capacitor is 0.22 F, the starting time can be modified by changing the value of this capacitor. (The time from the point a voltage is applied to the standby pin to the point sound is emitted.) Input capacitor 1.0 F Starting time (ts) 0.2 s LA4627 STBY 1 Standby SW ch1 input amplifier ...

Page 4

... MUTE (Muting) The output signal can be controlled by shifting the pin 8 (FILTER) level towards ground with a 300 to 500 However, note that the degree of suppression is reduced if a value of 750 Output AC voltage Output DC voltage LA4627 AC voltage (200 mV) Output DC voltage ILA00061 2 k Mute ON ...

Page 5

... Frequency Response 2 0 --2 --4 --6 --8 -- 100 1k Frequency LA4627 140 kHz THD = 10 % 120 100 ILA00065 100 Vrms 2 ...

Page 6

... SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of April, 2000. Specifications and information herein are subject to change without notice. LA4627 kHz ...

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