Ordering number:ENN4033A
Monolithic Linear IC
LA4536M
5V CD Headphone-stereo Power Amplifier
The LA4536M is a low noise, low distortion headphone-
stereo power IC designed for use on a portable CD.
Package Dimensions
unit:mm
3086A-MFP10S
10
6
0.625
Features
• Less current drain.
• Accept 16Ω load drive.
• Excellent voltage reduction characteristic.
• Excellent ripple rejection.
• Power switch function and built-in muting circuit.
• Low noise (7µV), low gain (11dB).
[LA4536M]
1.8 max
1
5.1
5
0.15
0.35
1.0
0.55
0.1
1.5˚
SANYO : MFP10S
Specifications
Absolute Maximum Ratings
at Ta = 25˚C
Parameter
Maximum supply voltage
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
VCC max
Pd max
Topr
Tstg
No signal
Conditions
Ratings
6.0
300
–20 to +75
–40 to +125
Unit
V
mW
˚C
˚C
Operating Characteristics
at Ta = 25˚C
Parameter
Recommended supply voltage
Operating supply voltage range
Recommended load impedance
Symbol
VCC
VCC op
RL
Conditions
Ratings
5.0
4.0 to 6.0
16 to 32
Unit
V
V
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.
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
O3098HA (KT)/62598RM (KI) No.4033–1/9
5.15
6.4
4.4
LA4536M
Operating Characteristics
at Ta = 25˚C, R
L
=16Ω, Rg=600Ω
Parameter
Symbol
ICCO1
Quiescent current
Voltage gain
Voltage gain variations
Total harmonic distortion
Output power
Crosstalk
Rpple rejection
Output noise voltage
Power off effect
Mute effect
Power on current sensitivity
Power off voltage sensitivity
Mute off current sensitivity
Mute on voltage sensitivity
ICCO2
ICCO3
VG
∆V
G1
∆V
G2
THD
PO
CT
SVRR
VNO
VO(off)
VO(MT)
I1(on)
V1(off)
I10(off)
V10(on)
Conditions
VCC=5.0V, no signal
VCC=6.0V, pin 10, GND
VCC=6.0V, pin 1, GND
VCC=5.0V, f=1kHz, VO=–10dBm
VCC=5.0V, f=1kHz, VO=–10dBm
VCC=4.0V, f=1kHz, VO=–20dBm
VCC=5.0V, f=1kHz, PO=1mW
VCC=5.0V, f=1kHz, THD=10%
VCC=5.0V, f=1kHz, Rg=1k
Ω,
VO=–10dBm
VCC=4.0V, f=100Hz, Rg=1k
Ω,
VO=–20dBm, BPF=100Hz
VCC=6.0V, Rg=1k
Ω,
BPF=20Hz to 20Hz
VCC=4.0V, f=100Hz, Pin 1 to GND,
VIN=–10dBm
VCC=4.0V, f=100Hz, Pin 1 to GND,
VIN=–10dBm
VCC=5.0V, V5≥0.85V
40
40
45
9
Ratings
min
typ
1.0
1.1
11
max
20
4.0
1.0
13
1.0
1.0
0.02
100
60
65
7
20
–80
–80
0.05
0.5
0.5
0.6
0.2
0.65
2.0
2.0
0.24
Unit
mA
mA
µA
dB
dB
dB
%
mW
dB
dB
µV
dBm
dBm
µA
V
µA
V
Note
VCC=5.0V, V5≤0.1V
VCC=5.0V, V5≥0.85V
VCC=5.0V, V5≤0.1V
*1 : Quiescent current is the current flowing into pin 6. The current flowing into pin 1 and pin 10 is at the maximum value and calculated from
the equation (V pin–0.5V)/16[V/kΩ], increasing total current.
Equivalent Circuit Block Diagram
P/SW
1
POWER
SWITCH
MUTE
CIRCUIT
10
MT/SW
IN 1
2
Amp1
9
OUT 1
PRE GND
3
8
POWER GND
IN 2
4
Amp2
7
OUT 2
REF
5
BIAS
6
VCC
A11160
No.4033–2/9
LA4536M
Test Circuit
I1
2
3
1
2
V1
4
1
P/SW
1
MT/SW
4
2
3
I10
1
2
3
P/SW
MT/SW
10
9
V10
220µF
+
RL
16Ω
RL
16Ω
VR
VCC
DC
RIPPLE
A11161
IN 1
PRE
GND
OUT 1
0.1µF
2.2Ω
2.2Ω
0.1µF
4.7µF
Rg
1kΩ
1
2
SG
Rg
1kΩ
22µF
+
LA4536M
POWER
8
GND
OUT 2
4
5
IN 2
7
6
+
220µF
+
REF
VCC
A
ICC
Sample Application Circuit
ON
OFF
VR
P/SW
1
2
3
P/SW
MT/SW
10
9
8
7
6
MT/SW
OFF
ON
IN 1
PRE
GND
OUT 1
+
0.1µF
2.2Ω
2.2Ω
0.1µF
4.7µF
220µF
RL
16Ω
RL
16Ω
LA4536M
POWER
GND
OUT 2
VR
SG
1
SG
2
22µF
+
4
5
IN 2
+
220µF
+
– VCC
+
A11162
REF
VCC
No.4033–3/9
LA4536M
Pin Functions
(V
CC
=5.0V)
Pin No.
Symbol
Pin voltage
Equivalent circuit
Pin function
• The system runs on when the V
CC
is applied to this
pin and turns off by connectiong this pin to GND.
1
20kΩ
P/SW1
1
A11164
• Input pin connection.
Input impedance is 10kΩ.
2
4
IN1
IN2
2.1
500Ω
2
2.1
4
10kΩ
A11165
3
PRE GND
• 2.1V fixed bias is applied to this pin.
5
REF
2.1
5
23kΩ
A11166
6
V
CC
• Output pin connection.
7
9
OUT2
OUT1
2.1
2.1
7
9
4.7kΩ
A11167
8
POWER
GND
• The muting function turns on when this pin is
connected to GND and turns off by applying the V
CC
to this pin.
10
MT/SW
20kΩ
10
A11168
No.4033–4/9
LA4536M
20
10
0
VO – VIN
Total harmonic distortion, THD – %
10
THD – PO
VCC=5.0V
RL=16Ω
f=1kHz
RL=16Ω
VCC=6.0V
5.0V
4.0V
7
5
3
2
1.0
7
5
3
2
0.1
7
5
Output, VO – dBm
THD=10%
—10
—20
—30
—40
—50
—60
—70
—70
—60
—50
—40
—30
—20
—10
0
10
20
3
2
0.1
2
3
5
7 1.0
2
3
5
7 10
2
3
5
7 100
2
3
Input voltage, VIN – dBm
1000
7
5
3
2
100
7
5
3
2
10
7
5
3
2
1.0
7
5
3
20
1
2
3
4
5
6
7
Output power, PO – mW
10
7
5
3
2
1.0
7
5
3
2
0.1
7
5
16
PO,THD – VCC
f=1kHz
RL=16Ω
THD=10%
PO=1mW
PO
VG – fIN
VCC=4.0V
VO=–10dBm
RL=16Ω
VG
Total harmonic distortion, THD – %
14
Output power, PO – mW
Voltage gain, VG – dB
12
10
8
THD
3
2
0.01
7
5
3
2
8
6
+
4
2
10
220µF
OUT
16Ω
2 3
5 7 100
2 3
5 7 1k
2 3
5 7 10k
2 3
5 7100k
Power supply voltage, VCC – V
160
Frequency, fIN – Hz
f=1kHz
RL=16Ω
Current drain, ICC – mA
3
2
VG – VCC
20dBm
V O=–
–10dBm
ICC – PO
VCC=5.0V
f=1kHz
RL=16Ω
2 output on
T
1
D=
H
0%
140
Voltage gain, VG – dB
100
7
5
3
2
120
100
80
10
7
5
3
60
40
0
1
2
3
4
5
6
7
8
2
2
3
5
7 1.0
2
3
5
7 10
2
3
5
7 100
2
3
5
Power supply voltage, VCC – V
2
Output power, PO – mW
100
Pd – PO
f=1kHz
RL=16Ω
2 output on
Crosstalk, CT – dB
CT – fIN
VCC=4.0V
RL=16Ω
Rg=1kΩ
VO=–10dBm
– mW
1000
7
5
3
2
80
=10
EF
CR
0
µ
F
F
22
µ
Power dissipation, Pd
=
C
VC
V
5.0
V
6.0
60
40
100
7
5
3
2
2 3
5 7 1.0
2
3
5 7 10
2
3
5 7 100
2
3
20
0
2
3
5 7 100
2
3
5 7 1k
2
3
5 7 10k
2
3
5 7
Output power, PO – mW
Frequency, fIN – Hz
No.4033–5/9
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