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.

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. 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 new introduction or other application different

from current conditions on the usage of automotive device, communication device, office equipment, industrial

equipment etc. , please consult with us about usage condition (temperature, operation time etc.) 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.

32112 SY 20120301-S00005 No.A2033-1/4

LA4537MC

Features

• Low current drain

• 16Ω load drive capability

• Excellent reduced voltage characteristics

• Excellent power supply ripple rejection

• Minimum number of external parts required (no input capacitor, feedback capacitor required)

• Less harmonic interference in radio band

• On-chip power switch function, muting function

Specifications

Absolute Maximum Ratings at Ta = 25

°C

Parameter

Symbol

Conditions

Ratings

Unit

Maximum supply voltage

VCC max

Quiescent

4.5

V

Allowable power dissipation

Pd max

290

mW

Operating temperature

Topr

−20 to +75

°C

Storage temperature

Tstg

−40 to +125

°C

Operating Conditions at Ta = 25

°C

Parameter

Symbol

Conditions

Ratings

Unit

Recommended supply voltage

VCC

1.5

V

Operating voltage range

VCC op

0.9 to 4.0

V

Recommended load resistance

RL

16 to 32

Ω

Monolithic Linear IC

Power Amplifier For 1.5V

Headphone Stereos

Ordering number : ENA2033