SANYO LA4601

Ordering number : EN6013
LA4601
Monolithic Linear IC
LA4601
Audio Power Amplifier for
Radio Cassette Recorders
Overview
Package Dimensions
This is a different-package version of the power
amplifier LA4600 with ultralow peripheral
component count. Basic power supply spec is Vcc
= 15V, but a 9V spec for operation without
heatsink is also possible. BS capacitor, NF
capacitor, and oscillation-stopping CR components
are incorporated into the IC circuitry.
unit: mm
3024-SIP10H
[LA4601]
4.0
8.4
11.8
13.2max
R1.7
27.0
20.0
Pin compatible with the LA4600
Heatsink not required for 9V version
Output power VCC =15V/3Ω....7.0W X 2
Built-in stanby switching
Built-in overheat protection (TSD)
1.0 min
6.0
•
•
•
•
•
7.0
Functions
1
10
1.4
0.5
2.54
2.07
0.4
2.0
SANYO : SIP10H
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Symbol
Conditions
Maximum supply voltage
Vcc max
Rg=0 (No signal)
Allowable power dissipation
Pd max
With an arbitrary large heatsink
Ratings
Unit
24
V
25.0
W
°C/W
Thermal resistance
θ j-c
3.0
Operating temperature
Topr
– 20 to +75
°C
Storage temperature
Tstg
– 40 to +150
°C
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.
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. 6013-1/7
LA4601
Operating Conditions at Ta = 25°C
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
V cc
15
V
Recommended load resistance
RL
3
Ω
Operating supply voltage range
Vcc op
5.0 to 22
V
2.7 to 8
Ω
Within maximum ratings
Operating load resistance range
Electrical Characteristics at Ta = 25°C, VCC = 15V, R L = 3Ω , f = 1 kHz
Parameter
Ratings
Conditions
Symbol
min
Standby current
Ist
Standby pin -> GND
Quiescent current
Icco
Rg=0
Voltage gain
VG
Vo=0 dBm
Total harmonic distortion
THD
Po=1w
Output noise voltage
Vno
Rg=0, DIN AUDIO
Output voltage
typ
Unit
max
1.0
10
µA
20
35
70
mA
43.0
45.0
47.0
dB
0.2
0.8
%
0.15
0.5
mV
Po1
THD=10%
6.0
7.0
Po2
Vcc=9V, RL=4Ω , THD=10%
1.5
2.0
W
W
Channel separation
Chsep
Vo=0 dBm, Rg=0, DIN AUDIO
50
60
dB
Ripple suppression
SVRR
Vr=0 dBm, Rg=0, fr=100 Hz DIN AUDIO
45
55
dB
Stanby ON voltage
V st
1.5
5.0
Input resistance
Ri
20
30
V
40
kΩ
Block Diagram
VCC
Standby
7
4
Standby switching
CH1 input 10
Predrive
amplifier
CH1 input
amplifier
Output
amplifier
1 CH1 output
Rf1
RNf1
REF
amplifier
Small signal 9
GND
RNf2
CH2 input 8
TSD protector
2 Large signal
GND
Rf2
CH2 input
amplifier
Predrive
amplifier
Output
amplifier
Pop noise prevention block
Ripple filter
6
P.P
5
3 CH2 output
Filter
No. 6013-2/7
LA4601
Sample Application
+
+5V
10
0.22µF
7
4
STANDBY
VCC
ch1
Input
ch1
1
Output
LA4601
0.22µF
4Ω
POWER GND 2
ch2
Input
ch2
3
Output
P.P
6
1000µF
4Ω
Filter
5
+
+
4.7µF
100µF
Pd max – Ta
28
Allowable power dissipation, Pd max – W
8
1000µF
+
+
9 PRE GND
+
+
1000µF
25
24
With an arbitrary large heatsink
AI heatsink
fastening
torque
39N•cm
20
Apply
silicone
grease
16
100X100X1.5mm3
12
12.5
8
50X50X1.5mm3
4
With recommended substrate
7.0
IC only
0
–20
3.6
3.2
0
20
40
60
80
100
Ambient temperature, Ta – ˚C
No. 6013-3/7
LA4601
Pin Descriptions
VCC
1. Standby switching function
Power is switched ON and OFF by controlling the High and Low states at pin 7,
respectively (standby). To switch power ON, apply 1.5V or more, or 800 µA to
pin 7.
Current supplied to pin 7 .=.
Applied voltage
+
To bias circuit
Applied voltage – VBE (approx. 0.7V)
2 kΩ
2 kΩ
7
2kΩ
2kΩ
• When directly connecting the microcontroller, add a resistor in series
to optimize the current for the microcontroller.
2. Input pins (8,10)
Voltage at the input pins is approx. 2 VBE (1.4V).
Input impedance is approx. 30 kΩ.
• The recommended value for the input capacitor is 0.22 µF, but this can be varied in order to adjust the starting time
(ts). (The starting time is the time required from applying voltage to the standby pin until sound output is obtained.)
Input capacitator
Starting time (ts)
1.0 µF
2.2 µF
3.3 µF
0.2s
0.3s
0.5s
4.7 µF
10 µF
0.65s
1.5s
3. Filter (decoupling) pin (5)
Pin voltage is approx. 1/2 VCC.
The recommended value for the filter capacitor is 100 µF.
When capacitance is lower, pop noise when setting the standby pin to Low (power OFF) will increase.
Filter capacitor= 100 µF
AC voltage (100 mV)
Output DC voltage
Filter capacitor= 47 µF
AC voltage (200mV)
Output DC voltage
No. 6013-4/7
LA4601
4. P.P (pop noise) pin (6)
VCC
. VCC – VCE (approx. 0.3V) – 5.6V + 5.6V
Voltage at pin 6 =.
2 kΩ
• The recommended value for the P.P capacitor is 4.7 µF. When capacitance is
lower than 2.2 µF, pop noise when setting the standby pin to Low (power
OFF) will increase.
When capacitance is higher than 10 µF, the sound will not be cut off when
setting the standby pin to Low (power OFF).
5kΩ
6
5kΩ
Zener voltage
=5.6V
To input amplifier/
bias circuitry
A11490
5. Muting
The output signal can be controlled by
connecting pin 5 (Filter) to ground via a
resistance of 300 to 500Ω. If resistance
is higher than 750Ω, the suppression
ratio will decrease.
Output AC voltage
Output DC voltage
Mute ON
Mute OFF
A11491
No. 6013-5/7
LA4601
VCC – PO
12
Quiescent current, ICCO – mA
Rg=0
R
L=
4Ω
6
3Ω
Ω
=8
RL
R
L=
Output power, PO – W
10
8
4
VCC – ICCO
80
THD=10%
f=1kHz
2
70
60
50
40
30
20
10
0
4
8
12
16
20
0
4
24
8
12
THD – f
10
7
5
VCC=15V
RL=3Ω
PO=1W
Rg=600Ω
3
2
1.0
7
5
3
2
2ch
0.1
7
5
1ch
3
2
0.01
10
2 3
5 7 100 2 3
5 7 1k
2 3
5 7 10k
2 3
100
7
5
3
2
10
7
5
3
2
1.0
7
5
3
2
2ch
1ch
0.1
7
5
3
2
2
3
Ripple rejection, SVRR – dB
Channel separation, Chsep – dB
60
ch1-ch2
50
40
VCC=15V
RL=3Ω
VO=0dBm
Rg=0
DIN AUDIO
30
2
3
5 7 1k
5
2
3
5 7 10k
2
60
–4
–5
–6
–7
–8
10
2 3
5 7 100
2 3
5 7 1k
2 3
7
10
ch2
50
40
30
2
5 7 10k
Frequency, f – Hz
2 3
5 7 100k
Output noise voltage, VNO – mV
00µ
F
=22
µF
1000
–3
5
ch1
3
5
7
100
2
3
5
7
1k
2
3
VNO – Rg
1.0
VCC=15V
RL=3Ω
VO=0dBm
Cou
t
–2
3
Frequency, f – Hz
Cout=
Response – dB
–1
2
70
20
3
f – Response
0
1.0
VCC=15V
RL=3Ω
Vr=0dBm
Rg=0
DIN AUDIO
Frequency, f – Hz
1
7
SVRR – f
80
ch2-ch1
5 7 100
28
Output power, PO – W
Chsep – f
3
24
THD – PO
0.01
0.1
5 7 100k
70
20
2
20
VCC=15V
RL=3Ω
PO=1W
Rg=600Ω
Frequency, f – Hz
80
16
Supply voltage, VCC – V
Total harmonic distortion, THD – %
Total harmonic distortion, THD – %
Supply voltage, VCC – V
VCC=15V
RL=3Ω
DIN AUDIO
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
5
7
1k
2
3
5
7
10k
2
3
5
7
Signal source impedance, Rg – Ω
No. 6013-6/7
LA4601
Pd – PO
10
8
7
5V
6
=1
C
VC
V
=12
V CC
5
4
V CC=9V
3
2
7
0.1
2
3
5
7
1.0
2
3
5
7
10
Output power, PO – W
7
6
5V
=1
C
VC
V
=12
VCC
5
4
3
VCC=9V
2
0
7
0.1
2
3
5
7
1.0
2
3
5
7
10
Output power, PO – W
Pd – PO
6
RL=8Ω
f=1kHz
Rg=600Ω
5
Power dissipation, Pd – W
8
1
1
0
RL=4Ω
f=1kHz
Rg=600Ω
9
Power dissipation, Pd – W
Power dissipation, Pd – W
9
Pd – PO
10
RL=3Ω
f=1kHz
Rg=600Ω
4
V
=15
VCC
3
VCC=12V
2
VC
C=9V
1
0
7
0.1
2
3
5
7
1.0
2
3
5
7
10
Output power, PO – W
Specifications of any and all SANYO products described or contained herein stipulate the performance,
characteristics, and functions of the described products in the independent state, and are not guarantees
of the performance, characteristics, and functions of the described products as mounted in the customer's
products or equipment. To verify symptoms and states that cannot be evaluated in an independent device,
the customer should always evaluate and test devices mounted in the customer's products or equipment.
SANYO Electric Co., Ltd. strives to supply high-quality high-reliability products. However, any and all
semiconductor products fail with some probability. It is possible that these probabilistic failures could
give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire,
or that could cause damage to other property. When designing equipment, adopt safety measures so
that these kinds of accidents or events cannot occur. Such measures include but are not limited to protective
circuits and error prevention circuits for safe design, redundant design, and structural design.
In the event that any or all SANYO products(including technical data,services) described or
contained herein are controlled under any of applicable local export control laws and regulations,
such products must not be exported without obtaining the export license from the authorities
concerned in accordance with the above law.
No part of this publication may be reproduced or transmitted in any form or by any means, electronic or
mechanical, including photocopying and recording, or any information storage or retrieval system,
or otherwise, without the prior written permission of SANYO Electric Co., Ltd.
Any and all information described or contained herein are subject to change without notice due to
product/technology improvement, etc. When designing equipment, refer to the "Delivery Specification"
for the SANYO product that you intend to use.
Information (including circuit diagrams and circuit parameters) herein is for example only ; it is not
guaranteed for volume production. 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 November, 1998. Specifications and information herein are subject to change
without notice.
PS No. 6013-7/7