LV4912GP_11 Datasheet, PDF (1/11 Pages) Sanyo Semicon Device – Class-D Audio Power Amplifier BTL 2W×1ch

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