SANYO LA4600 Datasheet

Ordering number : EN6012

LA4600

Monolithic Linear IC

LA4600

..

Overview

The LA4600 is an audio power amplifier which
requires minimum count of external parts by
incorporating BS capacitor, NF capacitor; and
oscillation prevention CR components into the IC
circuitry .

Functions

• Output power : V
V

• Built-in stanby switch

• Built-in overheat protection (TSD)

= 12V/4Ω............ 4.0W X 2

CC

= 9V/4Ω .............. 2.0W X 2

CC

Audio Power Amplifier for

Radio Cassette Recorders

Package Dimensions

unit: mm

3046B-SIP10F

[LA4600]

25.5

24.0

3.6

16.7max

14.0

8.4

3.5

1.6min

1.32

2.54

0.5

1.3

3.6

101

0.45

1.6

SANYO : SIP10F

Specifications

Maximum Ratings at Ta = 25

Parameter Symbol Conditions Ratings Unit
Maximum supply voltage Vcc
Allowable power dissipation Pd max With an arbitrary large 12.5 W
Thermal resistance
Operating temperature Topr °C
Storage temperature Tstg °C

Operating Conditions at Ta = 25°C

Parameter Symbol Conditions Ratings Unit
Recommended supply voltage Vcc 12 V
Recommended load resistance
Operating supply voltage range Vcc

Operating load resistance range Ω

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.

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.

°C

max Rg=0 (No signal) 24 V

θj-c

R

L

Op Within maximum ratings V

10.0 °C/W

– 20 to +75

– 40 to +150

4 Ω

5.0 to 22

2.7 to 8

SANYO Electric Co., Ltd. Semiconductor Business Headquarters

TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN

N1298RM(KI)

No. 6012-1/7

LA4600

Electrical Characteristics at Ta = 25°C, VCC=12V, RL=4Ω , f=1 kHz

Parameter

Standby current Is t Standby pin —> GND 1.0 10 µA
Quiescent current Icco Rg=0 18 32 64 mA
Voltage gain VG Vo=0dBm 43.0 45.0 47.0 dB
Total harmonic distortion THD Po=1w 0.2 0.8 %
Output noise voltage Vno Rg=0, DIN AUDIO 0.15 0.5 mV
Output voltage Po1 THD=10% 3.0 4 .0 W

Channel separation Chsep Vo=0dBm, Rg=0, DIN AUDIO 50 60 dB
Ripple rejection ratio SVRR Vr=0dBm, Rg=0, fr=100 Hz DIN AUDIO 45 55 dB
Stanby ON voltage Vst 1.5 5.0 V
Input resistance Ri 20 30 4 0 KΩ

Symbol

Po2 Vcc=9V, THD=10% 1.5 2.0 W

Conditions Unit

min typ max

Ratings

Block Diagram

CH1 input

Small signal
GND

CH2 input

10

Standby

7

Standby switching

CH1 input
amplifier

R

Nf1

9

R

Nf2

8

REF
amplifier

CH2 input
amplifier

Pop noise prevention block

6 5

P.P

Predrive
amplifier

R

f1

TSD protector

R

f2

Predrive
amplifier

Vcc

4

Output
amplifier

Output
amplifier

Ripple filter

Filter

CH1 output

1

Large signal

2

GND

CH2 output

3

No. 6012-2/7

Sample Application

LA4600

+5V

0.22µF

0.22µF

+

1000µF

7

STANDBY

+

ch1

10

Input

PRE GND

9

+

ch2

8

Input

LA4600

4

V

CC

Output

POWER GND

Output

ch1

ch2

+

1

1000µF

4Ω

2

+

3

1000µF

4Ω

P.P Filter

6

+

4.7µF 100µF

5

+

14

With an arbitrary large heatsink (θjc=10˚C/W)

12

10

8

6

50X50X1.5mm

5
4

No heatsink

2

Allowable power dissipation, Pd max – W

0
–20 0 20 40 60 80 100

Pd max – Ta

12.5

3

1.94

7.5

3.0

1.16

Ambient temperature, Ta – ˚C

No. 6012-3/7