Datasheet Texas Instruments LM4665ITL/NOPB

Filterless High Efficiency 1.4W Switching Audio Amplifier 9-DSBGA -40 to 85

Datasheets

PDF, 1.7 Mb, Revision: E, File published: May 2, 2013

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Lifecycle Status	Active (Recommended for new designs)
Manufacture's Sample Availability	No

Analog Supply (V)	2.7 Max
Architecture	Class D
Audio Input Type	Analog Input
Control Interface	Hardware
Iq per channel(Typ)	14 mA
Iq(Max)	14.5 mA
Iq(Typ)	14 mA
Load(Min)	4 ohms
Operating Temperature Range	-40 to 85 C
Output Power	1.4 W
PSRR	52 dB
Package Group	DSBGA
Package Size: mm2:W x L	See datasheet (DSBGA) PKG
Pin/Package	9DSBGA
Rating	Catalog
Shutdown Current (ISD)	0.01 uA
Speaker Channels	Mono Max
THD + N @ 1 kHz	0.8 %

RoHS

Compliant

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Guidelines for Measuring Audio Power Amplifier Performance
PDF, 765 Kb, File published: Oct 30, 2001
This application note provides guidelines for measuring the date sheet parameters of Texas Instruments audio power amplifiers (APAs) using prefabricated evaluation modules (EVMs). The primary equipment used for the measurements consists of the System Two audio measurement system by Audio Precision , a digital multimeter (DMM), and a dc power supply.
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AN-1737 Managing EMI in Class D Audio Applications (Rev. A)
PDF, 140 Kb, Revision: A, File published: May 1, 2013
Electromagnetic interference (EMI) is an unwanted disturbance caused in an electrical circuit byelectromagnetic radiation emitted from an external source. The disturbance may interrupt, obstruct, orotherwise degrade the effective performance of the circuit.
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AN-1849 An Audio Amplifier Power Supply Design (Rev. B)
PDF, 1.9 Mb, Revision: B, File published: May 1, 2013
This application report provides design information for a power supply for use with our newest offering of high-performance, ultra high-fidelity audio amplifier input stage ICs.

Series: LM4665 (1)

Semiconductors > Audio > Low-Power Audio Amplifiers (<10W) > Speaker Amplifier Class AB/Class D