Datasheet Texas Instruments LM48511

ManufacturerTexas Instruments
SeriesLM48511
Datasheet Texas Instruments LM48511

3W, Ultra Low EMI, Mono Class D Audio Amplifier with Spread Spectrum

Datasheets

LM48511 3-W, Ultra-Low EMI, Filterless, Mono, Class D Audio Power Amplifier With Spread Spectrum datasheet
PDF, 1.0 Mb, Revision: I, File published: Aug 30, 2017
Extract from the document

Prices

Status

LM48511SQ/NOPBLM48511SQX/NOPB
Lifecycle StatusActive (Recommended for new designs)Active (Recommended for new designs)
Manufacture's Sample AvailabilityYesNo

Packaging

LM48511SQ/NOPBLM48511SQX/NOPB
N12
Pin2424
Package TypeNHZNHZ
Industry STD TermWQFNWQFN
JEDEC CodeR-PQSO-NR-PQSO-N
Package QTY10004500
CarrierLARGE T&RLARGE T&R
Device Marking48511SQ48511SQ
Width (mm)44
Length (mm)55
Thickness (mm).8.8
Pitch (mm).5.5
Max Height (mm).8.8
Mechanical DataDownloadDownload

Parametrics

Parameters / ModelsLM48511SQ/NOPB
LM48511SQ/NOPB
LM48511SQX/NOPB
LM48511SQX/NOPB
Analog Supply (V), Min5.55.5
ArchitectureClass D BoostedClass D Boosted
Audio Input TypeAnalog InputAnalog Input
Control InterfaceHardwareHardware
Iq per channel(Typ), mA13.513.5
Iq(Max), mA2222
Iq(Typ), mA13.513.5
Load(Min), ohms44
Operating Temperature Range, C-40 to 85-40 to 85
Output Power, W6.76.7
PSRR, dB8888
Package GroupWQFNWQFN
Package Size: mm2:W x L, PKG24WQFN: 20 mm2: 4 x 5(WQFN)24WQFN: 20 mm2: 4 x 5(WQFN)
Pin/Package24WQFN24WQFN
RatingCatalogCatalog
Shutdown Current (ISD), uA0.110.11
Speaker Channels, MaxMonoMono
THD + N @ 1 kHz, %0.040.04

Eco Plan

LM48511SQ/NOPBLM48511SQX/NOPB
RoHSCompliantCompliant

Application Notes

  • 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.

Model Line

Series: LM48511 (2)

Manufacturer's Classification

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