LA4814JA: Audio Power Amplifier, Class AB, 2-Channel, 0.35 W

The LA4814JA 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.

Features

On-chip 2-channel power amplifierOutput 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 componentsOutput 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 possibleVCC =2.7V and up
Standby functionCurrent drain at standby = 0.1µA typ. (VCC = 5V)
Voltage gain setting possibleVoltage gain = 3 to 20dB
Second amplifier stop control functionReducing the pop noise at startup (in BTL mode)

Applications

Mini radio cassette players/recorders, portable radios, transceivers and other portable audio devices

Data Sheets (1)

Document Title	Document ID/Size	Revision	Revision Date
0.35W x 2ch, Class AB, Power Amplifier IC for Low Power Output and Portable	ENA2040/D (408.0kB)	0	SEP, 2013

Package Drawings (1)

Document Title	Document ID/Size	Revision
SSOP20 (225mil)	565AN (57.5kB)	A

Order Information

Product	Status	Compliance	Package		MSL*	Container		Budgetary Price/Unit
LA4814JA-AE	Active	Pb-free	SSOP-20	565AN	3	Tape and Reel	2000	$0.744
LA4814JA-ZE	Lifetime	Pb-free	SSOP-20	565AN	3	Fan-Fold	70	$0.744

Specifications

Product	Class	Output Power Typ (W)	VCC Max (V)	Output Type	ton Typ (ms)	THD + N Typ (%)	IQ Typ (mA)	ISD Typ (nA)
LA4814JA-AE	AB	0.35	7	Dual		0.35	8.6	100

0.35W x 2ch, Class AB, Power Amplifier IC for Low Power Output and Portable (408.0kB) LA4814JA

SSOP20 (225mil) LV5609V