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PDF LV4910T Data sheet ( Hoja de datos )
| Número de pieza | LV4910T | |
| Descripción | Class-D Audio Power Amplifier | |
| Fabricantes | Sanyo Semicon Device | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LV4910T (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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www.DataSheet.co.kr
Ordering number : ENA0893
LV4910T
Bi-CMOS LSI
Class-D Audio Power Amplifier
BTL 2W × 2ch
Overview
LV4910T is a stereo digital amplifier for portable equipment, for example notebook-PC, portable DVD and portable
mini-speakers. It is characterized by the use of an original feedback technology to improve sound quality though it is
Class-D amplifier, and does not need the LC filter in the output stage.
Features
• D-class high-efficiency amplifier
• Low pop sound at SW changeover
• Differential input type
Functions
• 2W stereo digital power amplifier
• Standby switch
• Mute switch
• Various protective circuits (over-current protective, thermal protective, and under-voltage circuits) incorporated
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
Conditions
as mounted on the substrate
Ratings
6
1.05
-20 to +75
-40 to +150
Unit
V
W
°C
°C
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.
90507 MS PC 20070709-S00007 No.A0893-1/7
Datasheet pdf - http://www.DataSheet4U.net/
1 page  
www.DataSheet.co.kr
LV4910T
Continued from preceding page.
Pin No. Pin name Pin voltage (V)
15 PRE GND
0
16 VREF OUT
2.55
Pin description
• VREF amplifier reference
19 NC
20 NC
21 STBY
• Non-connection
• Non-connection
• STBY On/Off switch
• 0 to 1V : Power Off
• 3 to 5.5V : Power On
22 NC
23 NC
24 NC
25 PRE VCC
26 VCC1
27 NC
29 GND1
• Non-connection
• Non-connection
• Non-connection
5
5
• Non-connection
0
Equivalent circuit
1kΩ
20kΩ
1kΩ
300kΩ
10kΩ
No.A0893-5/7
Datasheet pdf - http://www.DataSheet4U.net/
5 Page | ||
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