lv4985vh Sanyo Semiconductor Corporation, lv4985vh Datasheet

lv4985vh

Manufacturer Part Number

lv4985vh

Description

Bi-cmos Ic For Portable Electronic Device Use 1.2w ? 2ch Btl Power Amplifier

Manufacturer

Sanyo Semiconductor Corporation

Datasheet

1.LV4985VH.pdf (15 pages)

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Ordering number : ENA1568A

LV4985VH

Overview

Applications

Features

The LV4985VH has a 2-channel power circuit amplifier including an electronic volume control built in. It has a function

for switching the headphone driver and also has a standby function to reduce the current drain. It is a power amplifier IC

optimal for driving the speakers used in portable equipment and low power output equipment.

Portable DVD players, active speakers, compact LCD-TVs/LCD monitors, notebook PCs and more.

• 2-cannels BTL power amplifier built-in : Standard output power = 1.2W (V CC = 5V, R L = 8Ω, THD = 10%)

• Volume function built-in (variable range: 69dB standard), DC voltage control system

• Mute function built-in (shared with VOL-min)

• Standby function built-in (three-value control ⇒ Shared with the second amplifier stop control pin) :

• Second amplifier stop control function built-in (three-value control ⇒ Shared with the standby pin) :

• Thermal protection circuit built-in

• Operation supply voltage range : V CC = 4.5V to 5.5V

• Output phase compensation capacitor not necessary

Standard standby current = 0.01μA (V CC = 5V)

Headphone driver switch (for BTL/SE switch)

Simple MUTE (Only BTL power amplifier path)

"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,

Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to

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

device, the customer should always evaluate and test devices mounted in the customer

equipment.

s products or equipment. To verify symptoms and states that cannot be evaluated in an independent

Bi-CMOS IC

For Portable Electronic Device Use

1.2W × 2ch BTL Power Amplifier

Output coupling capacitor is unnecessary because of differential output type.

D1609 SY / O1409 SY PC 20090914-S00001 No.A1568-1/15

s products or

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