Datasheet Texas Instruments LM4673SD/NOPB

ManufacturerTexas Instruments
SeriesLM4673
Part NumberLM4673SD/NOPB
Datasheet Texas Instruments LM4673SD/NOPB

Filterless, 2.65W, Mono, Class D Audio Power Amplifier 8-WSON -40 to 85

Datasheets

LM4673 Filterless, 2.65W, Mono, Class D Audio Power Amplifier datasheet
PDF, 4.5 Mb, Revision: D, File published: May 1, 2013
Extract from the document

Prices

Status

Lifecycle StatusActive (Recommended for new designs)
Manufacture's Sample AvailabilityYes

Packaging

Pin8
Package TypeNGQ
Industry STD TermWSON
JEDEC CodeS-PDSO-N
Package QTY1000
CarrierLARGE T&R
Device MarkingL4673
Width (mm)3
Length (mm)3
Thickness (mm).8
Pitch (mm).5
Max Height (mm).8
Mechanical DataDownload

Parametrics

Analog Supply (V)2.4 Max
ArchitectureClass D
Audio Input TypeAnalog Input
Control InterfaceHardware
Iq per channel(Typ)2.6 mA
Iq(Max)3.75 mA
Iq(Typ)2.6 mA
Load(Min)4 ohms
Operating Temperature Range-40 to 85 C
Output Power2.65 W
PSRR78 dB
Package GroupWSON
Package Size: mm2:W x LSee datasheet (WSON) PKG
Pin/Package8WSON, 9DSBGA
RatingCatalog
Shutdown Current (ISD)0.01 uA
Speaker ChannelsMono Max
THD + N @ 1 kHz0.03 %

Eco Plan

RoHSCompliant

Design Kits & Evaluation Modules

  • Evaluation Modules & Boards: LM4673TMBD
    LM4673TMBD Filterless, 2.65W, Mono, Class D Audio Power Amplifier Evaluation Board
    Lifecycle Status: Active (Recommended for new designs)

Application Notes

  • 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.
  • 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.
  • 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.
  • 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.
  • 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

Series: LM4673 (3)

Manufacturer's Classification

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