LA4145 Sanyo Semiconductor Corporation, LA4145 Datasheet

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LA4145

Manufacturer Part Number
LA4145
Description
0,6 to 0,9W AF power amplifier for radio cassette recorder
Manufacturer
Sanyo Semiconductor Corporation
Datasheet

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Features
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.
.
.
.
.
Specifications
Maximum Ratings at Ta = 25°C
Operating Conditions at Ta = 25°C
Maximum supply voltage
Maximum output current
Allowable power dissipation
Operating temperature
Storage temperature
Recommended supply voltage
Recommended load resistance
Operating voltage range
Ordering number: EN1339D
The LA4145 is especially suited for use in cassette tape
recorder, radio-cassette, recorder, stereo cassette player
applications.
0.6 W typ/V
0.9 W typ/V
Minimum number of external parts required
Soft clip
Small pop noise at V
Voltage gain fixed at 50 dB.
An external resistor can be connected to reduce this value.
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
Parameter
Parameter
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.
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.
CC
CC
= 6.0 V, R
= 6.0 V, R
CC
ON/OFF mode
L
L
= 8
= 4
, THD = 10%
, THD = 10%
V
Symbol
I
Pd max
Symbol
O
CC
Topr
V
V
Tstg
R
peak
CC
CC
L
max
Quiescent mode
Operating mode R
50
50 mm
Package Dimensions
unit : mm
3017C-SIP9
53096HA(II)/O217KI/N055MW/4034/N163KI,TS No.1339-1/6
2
0.6 to 0.9 W AF Power Amplifier
with PCB
Conditions
Conditions
for Radio Cassette Recorders
L
= 8
[LA4145]
Monolithic Linear IC
–40 to +150
–20 to +70
Ratings
Ratings
3.6 to 8
4 to 8
LA4145
SANYO : SIP9
500
6
0.9
9
8
Unit
Unit
mA
°C
°C
W
V
V
V
V

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LA4145 Summary of contents

Page 1

... Ordering number: EN1339D Features . The LA4145 is especially suited for use in cassette tape recorder, radio-cassette, recorder, stereo cassette player applications. . 0.6 W typ THD = 10 0.9 W typ THD = 10 Minimum number of external parts required . Soft clip . Small pop noise at V ON/OFF mode ...

Page 2

... C (470 µF) Output capacitor 4 C (47 µF) Decoupling capacitor 5 C (470 µF) Power capacitor Input bias resistor 1 LA4145 = 6 Conditions LA4145 CCO VG THD = 10 THD = 10 THD B.P. kHz 100 Hz, V ...

Page 3

... Pd max – PCB Ambient temperature, Ta – °C Sample Printed Circuit Pattern (Cu-foiled area OUTPUT I – V CCO Supply voltage, V LA4145 Sample Application Circuit: AF power amplifier C5 LA4145 470 100 F C4 470 F C3 0.15 F polyester film capacitor CC – ...

Page 4

... Pd – Output power, P – – B.P.F.= 20Hz to 20kHz Without B.P.F. With B.P.F. Signal source resistance, Rg – SVRR – VG Voltage gain, VG – dB LA4145 Pd – P Output power – f Frequency, f – Hz THD – f Frequency, f – Voltage gain, VG – – – ...

Page 5

... External feedback resistor, R – – Complete discharge – µ – Ta CCO Ambient temperature, Ta – °C LA4145 V – Supply voltage – Supply voltage Ambient temperature, Ta – °C CC B.P.F.=20Hz to 20kHz – Complete discharge – – ...

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 May, 1996. Specifications and information herein are subject to change without notice. LA4145 PS No.1339-6/6 ...

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