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LA42152 데이터시트 PDF




Sanyo Semicon Device에서 제조한 전자 부품 LA42152은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

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부품번호 LA42152 기능
기능 Monolithic Linear IC Audio Output
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LA42152 데이터시트, 핀배열, 회로
www.DataSheet4U.com
Ordering number : ENA0316
LA42152
Monolithic Linear IC
Audio Output for TV application
15W × 2ch Power Amplifier
Overview
LA42152 is 15W 2-channel AF power amplifier intended for televisions.
Functions
15W × 2 channels (VCC = 16.5V, RL = 8)
Standby function
Mute function
Thermal protection circuit
LA42000 series is power IC which made Pin compatible altogether in 5 to 15W. They consist of four kinds of power ICs
(mono, stereo, mono with volume function, stereo with volume function. They realized PCB layout communalization of an
audio power block of TV).
Model name
LA42051
LA42052
LA42351
LA42352
LA42071
LA42072
LA42152
PO
5W
5W
5W
5W
7W
7W
15W
Channel
Monaural
{
{
{
Stereo
{
{
{
{
Volume
{
{
Maximum Ratings at Ta = 25°C
Parameter
Maximum supply voltage
Allowable power dissipation
Maximum junction temperature
Thermal resistance
Operating temperature
Storage temperature
Symbol
VCC max
Pd max
Tj max
θjc
Topr
Tstg
Conditions
No signal
Infinite heat sink
Ratings
24
15
150
2
-25 to +75
-40 to +150
Unit
V
W
°C
°C/W
°C
°C
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 usingany 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.
83006 / 42606 MS JK B8-7286 No.A0316-1/5




LA42152 pdf, 반도체, 판매, 대치품
External Components
LA42152
C1,C2
C3
C4,R1
C5
C6 to C9
R2 to R5
: Input coupling capacitors, which are recommended to be 4.7µF or less. The input circuit is of a zero bias
type, so that the input pin potential is close to zero volts. Therefore, the polarity must be determined
depending on the DC potential of a circuit connected in the previous stage of LA42152.
: Capacitor for the starting time of ripple filter and amplifier, which is recommended to be 47µF.
: Capacitor and resistor for muting. C4 is necessary even when no muting function is provided.
: Power supply capacitor.
: Capacitors and resistors for prevention of oscillation. For C6 to C9, polyester film capacitors. and having
satisfactory temperature characteristics are recommended. Uses 2.2resistor together.
1. Muting function (Pin 6)
Mute ON when the voltage of pin 6 is 1.7V (min) or more.
Set the VM application voltage so that the voltage of pin 6 becomes 1.7V or more.
The time constant of mute is determined with R1 and C4. The constant must be determined after review because it is
concerned with the pop sound at mute ON/OFF. C4 is concerned with the pop sound also when the amplifier is turned
ON, so that this is necessary even when the mute function is not used.
Example: The voltage of pin 6 becomes about 1.8V under conditions of VM = 5V and R1 = 15k.
2. Standby function (Pin 5)
The amplifier is turned ON when the voltage of 2.5V (min) or more is applied to pin 5.
Control Voltage of pin 5
Pin 5 voltage
0 to 0.5V
2.5 to 20V
Amplifier
OFF
ON
Standby
ON
OFF
To suppress 5 pin inflow current when the impressed voltage of
VSTB is high, limitation resistance (RSTB) is inserted.
Example: Limiting the inrush current to pin 5 to 500µA or less
Application voltage (VSTB) 2VBE(about 1.4V)
RSTB=
15k
500µA
No.A0316-4/5

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관련 데이터시트

부품번호상세설명 및 기능제조사
LA42152

Monolithic Linear IC Audio Output

Sanyo Semicon Device
Sanyo Semicon Device
LA42152

(LA42051 - LA42352) Audio Output

Sanyo Electric
Sanyo Electric

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