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 Ordering number:EN4024A
Monolithic Linear IC
LA4534M
3V CD Headphone-stereo Power Amplifier
The LA4534M is a low noise, low distortion headphonestereo power IC designed for use in a portable CD.
Package Dimensions
unit:mm 3086A-MFP10S
10 6
0.625
Features
* Less current drain. * Accept 16 load drive. * Excellent voltage reduction characteristic. * Excellent ripple rejection. * Power switch function and built-in muting circuit. * Low noise (7V), low gain (11dB).
[LA4534M]
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 = 25C
Parameter Maximum supply voltage Allowable power dissipation Operating temperature Storage temperature Symbol VCC max Pd max Topr Tstg Quiescent time Conditions Ratings 4.5 300 -20 to +75 -40 to +125 Unit V mW C C
Operating Conditions at Ta = 25C
Parameter Recommended supply voltage Operating supply voltage range Recommended load impedance Symbol VCC VCC op RL Conditions Ratings 3.0 1.6 to 4.0 16 to 32 Unit V V
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 Bussiness Headquaters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
O3098HA (KT)/7162TS No.4024-1/9
5.15 6.4
4.4
LA4534M
Operating Characteristics at Ta = 25C, RL=16, Rg=600
Parameter Quiescent current Symbol ICCO1 ICCO2 ICCO3 Voltage gain Voltage gain variations Total harmonic distortion Output power Crosstalk Ripple 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 VG1 VG2 VG1 VG2 THD PO CT SVRR VNO VO(off) VO(MT) I1(on) V1(off) I10(off) V10(on) Conditions VCC=2.4V, Quiescent time VCC=4.5V, pin 10 to GND VCC=4.5V, pin 1 to GND VCC=2.4V, f=1kHz, VO=-10dBm VCC=1.6V, f=1kHz, VO=-20dBm VCC=2.4V, f=1kHz, VO=-10dBm VCC=1.6V, f=1kHz, VO=-20dBm VCC=2.0V, f=1kHz, PO=1mW VCC=3.0V, f=1kHz, THD=10% VCC=2.4V, f=1kHz, Rg=1k, VO=-10dBm VCC=1.6V, f=100Hz, Rg=1k, VR=-20dBm, BPF=100Hz VCC=4.5V, Rg=1k, BPF=20Hz to 20kHz VCC=1.6V, f=100Hz, Pin 1 to GND, VIN=-10dBm VCC=1.6V, f=100Hz, Pin 10 to GND, VIN=-10dBm VCC=1.5V, V50.85V VCC=1.5V, V50.1V VCC=1.5V, V50.85V VCC=1.5V, V50.1V 0.5 25 40 50 0.08 50 50 70 7 20 -80 -80 0.05 0.5 0.6 0.2 0.65 1.0 1.0 9 9 Ratings min typ 5.4 1.1 11 11 max 10 2.0 1.0 13 13 1.0 1.0 0.24 Unit mA mA A dB dB dB dB % mW mW dB V dBm dBm A V A V
Note : 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/k], 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
A11151
No.4024-2/9
LA4534M
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 8 7 6
V10 220F + RL 16 RL 16 VR VCC DC RIPPLE
A11152
IN 1 PRE GND
OUT 1
0.15F 4.7 4.7 0.15F 4.7F
Rg 1k 1 2 SG Rg 1k 22F +
LA4534M POWER GND
OUT 2
4 5
IN 2
+ 220F
+ 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
ON OFF
IN 1
OUT 1
+ 0.15F 4.7 4.7 0.15F 4.7F
220F RL 16 RL 16
PRE GND
LA4534M POWER GND
OUT 2
VR SG 1 SG 2 22F +
4 5
IN 2
+ 220F
- VCC +
A11153
+ REF VCC
No.4024-3/9
LA4534M
Pin Functions (VCC=3.0V)
Pin No. Symbol Pin voltage (V) Equivalent circuit Pin function * The system turns on when the VCC is applied to this pin and turns off by connecting this pin to GND.
1
P/SW1
20k
1
A11155
* Input pin connection. Input impedance is 10k.
2 4
IN1 IN2
1.1
500
2
1.1
4
10k
A11156
3
PRE GND * 1.1V fixed bias is applied to this pin.
5
REF
1.1
5
7.8k
A11157
6
VCC
3.0 * Output pin connection.
7 9
OUT2 OUT1
1.1 1.1
7 9
4.7k
A11158
8
POWER GND * The muting function turns on when this pin is connected to GND and turns off by applying the VCC to this pin.
10
MT/SW
20k
10
A11159
No.4024-4/9
LA4534M
10 0 --10
VO - VIN
1.8V THD=10%
Total harmonic distortion, THD - %
f=1kHz RL=16
VCC=3.6V 3.0V
10 7 5 3 2 1.0 7 5 3 2 0.1 7 5 3
THD - PO
VCC=2.4V RL=16
Output, VO - dBm
--20 --30 --40 --50 --60 --70 --70
--60
--50
--40
--30
--20
--10
0
10
2
5 7 0.1
2
3
5 7 1.0
2
3
5 7 10
2
3
57
Input voltage, VIN - dBm
2 100 7 5 3 2 10 7 5 3 2 1.0 7 5 3 2
Output power, PO - mW
2 10 7 5 3 2 1.0 7 5 3 2 0.1 7 5 3 2 14
PO,THD - VCC
PO
VG - fIN
VCC=2.4V VO=-10dBm RL=16
Total harmonic distortion, THD - %
Output power, PO - mW
12
Voltage gain, VG - dB
10
8
THD
6
+ 220F
OUT 16 5 7100k
0
1
2
3
4
5
6
7
4
23
5 7 100
23
5 7 1k
23
5 7 10k
23
Supply voltage, VCC - V
14
Frequency, fIN - Hz f=1kHz RL=16
3 2
VG - VCC
ICC - PO
VCC=3.0V f=1kHz RL=16 2 output on
12
Current drain, ICC - mA
Voltage gain, VG - dB
100 7 5 3 2
10
-10dBm VO=-20dBm
8
THD=10%
6
10 7 5 3
4
2
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
Supply voltage, VCC - V
1000 7
Output power, PO - mW
100
Pd - PO
f=1kHz RL=16 2 output on 4.5V
CT - fIN
VCC=2.4V RL=16 Rg=1k VO=-10dBm
Power dissipation, Pd - m W
5 3 2
80
Crosstalk, CT - dB
21 12
CREF=100F 22F
3V
60
1
40
2
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 100k
Output power, PO - mW
Frequency, fIN - Hz No.4024-5/9
LA4534M
--10 --20
SVRR - VCC
Output noise voltage, VNO - V VR=-20dBm fR=100Hz Rg=1k
100 7 5 3 2 10 7 5 3 2 1.0 7 5 3 2
VNO - VCC
Rg=1k RL=16 Flat(Rg=0)
Ripple rejection, SVRR - dBm
--30 --40 --50 --60 --70 --80 --90 --100 0
DIN AUDIO(Rg=0)
CREF=22F
100F DIN AUDIO
1
2
3
4
5
6
7
8
0
1
2
3
4
5
6
7
8
Supply voltage, VCC - V
100 7
Supply voltage, VCC - V
1.0
VNO - Rg
Pin off voltage, VPIN(OFF) - V RL=16 VCC=3.0V Flat
VPIN(OFF) - VCC
VIN=0 Rg=1k Pin V50.1V
Output noise voltage, VNO - V
0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1
5 3 2
Pin 10 (MT) MT is OFF Pin 1 (P/SW) PWR is ON ON
OFF
10 7 5 3 2 2 3 5 7 100 2 3
DIN A
UDIO
Signal source impedance, Rg -
5 7 1k
23
5 7 10k
2
3
5 7 100k
0
1
2
3
4
5
6
7
8
Supply voltage, VCC - V
2 100 7 5 3 2 10 7 5 3 2 1.0 7 5 3 2
1.0 7 5
IPIN(ON) - VCC
Pin 10 (MT) Current drain, ICC - mA
ICC - VCC
RL=16(Dual Ope) Rg=1k f=1kHz THD=10% at output
Pin on current, IPIN(ON) - A
3 2 0.1 7 5 3 2 0.01 7 5 3 2 0 1 2
0 al V IN= No sign
Pin 1 (P/SW) VIN=0 Rg=0 Pin V50.5V
3 4 5 6 7 8
I CM ON Mute on C
0
1
2
3
4
5
6
7
8
Supply voltage, VCC - V
10 7 5 3 2 1.0 7 5 3 2 0.1 7 5 3 2 0.01 7 5 3 2 0 1 2 3 4 5 6 7 8
Supply voltage, VCC - V
1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 0 1 2 3 4 5 6 7 8
ICCOP OFF - VCC
VIN=0 Rg=1k
VDC - VCC
Rg=1k VIN=0
V5(VREF) / V7(OUT)
Quiescent current, ICCOP OFF - mA
PWR SW OFF
Supply voltage, VCC - V
Voltage, VDC - V
Supply voltage, VCC - V No.4024-6/9
LA4534M
60
PO - Ta
.0V
Voltage gain deviation, VG - dB
14
VG - Ta
VCC=1.2V VO=-10dBm RL=16(Dual Ope) f=1kHz
50
Output power, PO - mW
V
40
=3 CC
12
2.4V
10
30
2.0V
8
20
10
0 --40
f=1kHz THD=10% RL=16(Dual Ope)
--20 0 20 40 60 80 100
6
4 --40
--20
0
20
40
60
80
100
Ambient temperature, Ta - C
1.3
Ambient temperature, Ta - C
16 14 12 10 8 6 4 2 0 --40
VDC - Ta
Quiescent current, ICCO - mA
ICCO - Ta
VIN=0 Rg=1k VCC=2.4V
1.2
Rg=1k VIN=0 VCC=2.4V
Voltage, VDC - V
1.1
1.0
0.9
0.8
0.7 --40
--20
0
20
40
60
80
100
--20
0
20
40
60
80
100
Ambient temperature, Ta - C P.SW OFF
Ambient temperature, Ta - C
Output AC waveform, VIN=0
Output AC waveform
P.SW DC waveform P.SW OFF P.SW ON P.SW OFF
P.SW DC waveform
Output AC waveform VIN=0 P.SW DC waveform
Output AC waveform
P.SW DC waveform
P.SW ON
P.SW ON No.4024-7/9
LA4534M
M.SW OFF
Output AC waveform, VIN=0
Output AC waveform
M.SW DC waveform
M.SW DC waveform
M.SW OFF M.SW ON
M.SW OFF
Output AC waveform, VIN=0 M.SW DC waveform M.SW DC waveform
Output AC waveform
M.SW ON
M.SW ON
Application Notes * Poping noise reduction The switching sequence shown below can minimize poping noise.
PWR.SW
VCC t3 PWR, Mute SW t1 t2
A11154
To minimize poping noise, the PWR mute switch should be turned on t1 (about 0.1s) after power-on and turned off t2 (about. 0.1s) before power-off. Turn on and off the PWR mute switch by applying VCC with the PWR be is no state.
No.4024-8/9
LA4534M
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 October, 1998. Specifications and information herein are subject to change without notice.
PS No.4024-9/9


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