Datasheet Texas Instruments LM4673

Manufacturer	Texas Instruments
Series	LM4673

Datasheets

Prices

Status

Packaging

Parametrics

Parameters / Models	LM4673SD/NOPB	LM4673TM/NOPB	LM4673TMX/NOPB
Analog Supply (V), Max	2.4	2.4	2.4
Architecture	Class D	Class D	Class D
Audio Input Type	Analog Input	Analog Input	Analog Input
Control Interface	Hardware	Hardware	Hardware
Iq per channel(Typ), mA	2.6	2.6	2.6
Iq(Max), mA	3.75	3.75	3.75
Iq(Typ), mA	2.6	2.6	2.6
Load(Min), ohms	4	4	4
Operating Temperature Range, C	-40 to 85	-40 to 85	-40 to 85
Output Power, W	2.65	2.65	2.65
PSRR, dB	78	78	78
Package Group	WSON	DSBGA	DSBGA
Package Size: mm2:W x L, PKG	See datasheet (WSON)	See datasheet (DSBGA)	See datasheet (DSBGA)
Pin/Package	8WSON, 9DSBGA	8WSON, 9DSBGA	8WSON, 9DSBGA
Rating	Catalog	Catalog	Catalog
Shutdown Current (ISD), uA	0.01	0.01	0.01
Speaker Channels, Max	Mono	Mono	Mono
THD + N @ 1 kHz, %	0.03	0.03	0.03

Eco Plan

Application Notes

• Download
  AN-1614 LM48510 Speaker AN- (Rev. B)
  PDF, 154 Kb, Revision: B, File published: May 1, 2013
  This application report provides information on the performance of the LM48510 and the LM4673 in astereo application.
• Download
  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.
• Download
  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.
• Download
  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.
• Download
  AN-1497 Filterless Class D Amplifiers (Rev. A)
  PDF, 190 Kb, Revision: A, File published: May 1, 2013
  As portable electronic devices continue to shrink in size, manufacturers look for ways to push theenvelope and develop the smallest, yet most functional product available. The promise of longer batterylife, smaller size and an enhanced sensory experience appeals to customers. Like the voltage regulatormarket, where system designers moved away from the simple but power hungry linear regulator

Model Line

Manufacturer's Classification

• Semiconductors> Audio> Low-Power Audio Amplifiers ( Speaker Amplifier Class AB/Class D