LA4814V Datasheet, PDF (1/17 Pages) Sanyo Semicon Device – Monolithic Linear IC 2-Channel Power Amplifier

Ordering number : ENA0972
LA4814V
Monolithic Linear IC
2-Channel Power Amplifier
Overview
The LA4814V buili-in the power amplifier circuit capable of low-voltage (2.7V and up) operation and has additionally a
standby function to reduce the current drain. It is a power amplifier IC optimal for speaker drive used in battery-driven
portable equipment and other such products.
Applications
Mini radio cassette players/recorders, portable radios, transceivers and other portable audio devices
Features
• On-chip 2-channel power amplifier
Output power 1 = 350mW typ. (VCC = 5.0V, RL = 4Ω, THD = 10%)
Output power 2 = 150mW typ. (VCC = 3.6V, RL = 4Ω, THD = 10%)
• Enables monaural BTL output system by changing externally connected components
Output power 3 = 700mW typ. (VCC = 5.0V, RL = 8Ω, THD = 10%)
Output power 4 = 320mW typ. (VCC = 3.6V, RL = 8Ω, THD = 10%)
• Low-voltage operation possible
VCC =2.7V and up
• Standby function
Current drain at standby = 0.1μA typ. (VCC = 5V)
• Voltage gain setting possible
Voltage gain = 3 to 20dB
• Second amplifier stop control function
Reducing the pop noise at startup (in BTL mode)
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.
N2107 MS PC 20071010-S00010 No.A0972-1/17