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PDF LV4912GP Data sheet ( Hoja de datos )
| Número de pieza | LV4912GP | |
| Descripción | Class-D Audio Power Amplifier | |
| Fabricantes | Sanyo Semicon Device | |
| Logotipo |  |
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Ordering number : ENA1173B
LV4912GP
Bi-CMOS LSI
Class-D Audio Power Amplifier
BTL 2W×1ch
Overview
The LV4912GP is analog input type digital power amplifier with 2W × 1 channel. By using an original feed back
technology, it improves sound quality through it is class-D power amplifier and the LC filter in the output stage can be
deleted as application.
Features
• Enabling output LC filter-less.
• Class-D amplifier system of the output BTL type.
• Improve the sound quality by the use of original feedback technology.
• Realized high efficiency class-D amplifier.
• Reduce the pop sound at ON/OFF state by the use of soft mute function.
• Full complement of built-in protection circuits : over current protection, thermal protection, and low power supply
voltage protection circuits.
• Internal oscillation frequency : 280kHz
Functions
• Output power
• THD + N
• Noise
• Package
: 2W(VD = 5V, RL = 4Ω, THD + N = 10%)
: 0.4% (VD = 5V, RL = 4Ω, fin = 1kHz, PO = 1W, Filter : AES17)
: 70μVrms (Filter : DIN AUDIO)
VCT24 (3.5 × 3.5)
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be
intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace
instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety
equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case
of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee
thereof. If you should intend to use our products for applications outside the standard applications of our
customer who is considering such use and/or outside the scope of our intended standard applications, please
consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our
customer shall be solely responsible for the use.
Specifications of any and all SANYO Semiconductor Co.,Ltd. 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.
60911 SY/70208 MS / 51408 MS PC 20080331-S00006 No.A1173-1/11
Datasheet pdf - http://www.DataSheet4U.net/
1 page  
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LV4912GP
Pin Equivalent Circuit
Pin No. Pin Name
I/O
1 NC
2 PRE_VD
3 PRE_GND
4 VIN+
I
Description
No connection
Power supply pin
Pre ground
Input plus
Equivalent Circuit
VD
5 VIN-
I Input minus
300Ω
4
30kΩ
VBIAS
GND
VD
6 NC
7 NC
8 NC
9 NC
10 BIASCAP
No connection
No connection
No connection
No connection
O Internal power supply decoupling capacitor
connection
11 NC
No connection
12 MUTECAP O Mute capacitor connection
300Ω
5
30kΩ
VBIAS
GND
VD
100kΩ
200kΩ
10
90kΩ
GND
VCC
VD
13 MUTE
I Mute control pin
GND
13
200kΩ
12
VD VCC
100kΩ
200kΩ
GND
Continued on next page.
No.A1173-5/11
Datasheet pdf - http://www.DataSheet4U.net/
5 Page 
www.DataSheet.co.kr
LV4912GP
0.8 VD = 5V
RL = 4Ω
0.7 PO = 1W
fin = 1kHz
0.6 AES17
THD+N – Ta
0.5
0.4
0.3
0.2
0.1
0
– 50
25
– 25 0
25 50 75
Allowable temperature, Ta – °C
VG – Ta
100
24
23
22
21 VD = 5V
RL = 4Ω
VIN = 0dBm
20 DIN AUDIO
– 50 – 25
0
25 50
75
Allowable temperature, Ta – °C
100
PO – Ta
3.0 RL = 4Ω
fin = 1kHz
THD+N = 10%
2.5 AES17
VD = 5V
2.0
1.5
1.0 VD = 3.6V
VD = 3V
0.5
0
– 50 – 25
0
25 50 75
Allowable temperature, Ta – °C
Vno – Ta
90
80
70
60
50
40
30
20
VD = 5V
10 RL = 4Ω
Rg = 0
0
– 50 – 25
0
25 50 75
Allowable temperature, Ta – °C
100
100
SANYO Semiconductor Co.,Ltd. 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 Co.,Ltd.
products described or contained herein.
SANYO Semiconductor Co.,Ltd. strives to supply high-quality high-reliability products, however, any and all
semiconductor products fail or malfunction with some probability. It is possible that these probabilistic failures or
malfunction could give rise to accidents or events that could endanger human lives, trouble that could give rise
to smoke or fire, or accidents 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 Semiconductor Co.,Ltd. products described or contained herein are
controlled under any of applicable local export control laws and regulations, such products may require 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 consent of SANYO Semiconductor 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 Semiconductor Co.,Ltd. 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.
Upon using the technical information or products described herein, neither warranty nor license shall be granted
with regard to intellectual property rights or any other rights of SANYO Semiconductor Co.,Ltd. or any third
party. SANYO Semiconductor Co.,Ltd. shall not be liable for any claim or suits with regard to a third party's
intellctual property rights which has resulted from the use of the technical information and products mentioned
above.
This catalog provides information as of June, 2011. Specifications and information herein are subject
to change without notice.
PS No.A1173-11/11
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