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LM48511 Datasheet PDF

Part Series:
LM48511 Series
Category:
Audio Amplifiers
Description:
TEXAS INSTRUMENTS LM48511SQ/NOPB Audio Power Amplifier, D, 1Channel, 3W, 3V to 5.5V, LLP, 24Pins
Updated Time: 2023/09/27 08:48:15 (UTC + 8)

LM48511 Datasheet PDF Audio Amplifiers

28 Pages
TI
The LM48511 Integrates a Boost Converter with a High Efficiency
24 Pages
TI
Audio Amp Speaker 1CH Mono 6.7W Class-D 24Pin WQFN EP T/R

LM48511SQ/NOPB - TI Specifications

TYPE
DESCRIPTION
Mounting Style
Surface Mount
Number of Pins
24 Pin
Case/Package
WQFN-24
Number of Circuits
3 Circuit
Number of Channels
1 Channel
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LM48511SQ/NOPB - TI Function Overview

The LM48511SQ/NOPB is a filterless mono class D Audio Power Amplifier with spread spectrum. This device integrates a boost converter with a high-efficiency class D audio power amplifier to provide 3W continuous power into a 8R speaker when operating from a 5V power supply. When operating from a 3 to 4V power supply, the LM48511 can be configured to drive 1 to 2.5W into a 8R load with less than 1% distortion (THD+N). The class D amplifier features a low-noise PWM architecture that eliminates the output filter, reducing external component count, board area consumption and simplifying design. A selectable spread spectrum modulation scheme suppresses RF emissions, further reducing the need for output filters. The switching regulator of the LM48511 is a current-mode boost converter operating at a fixed frequency of 1MHz.
Selectable spread spectrum mode reduces EMI
Independent regulator and amplifier shutdown controls
Dynamically selectable regulator output voltages
Low shutdown current
Click and pop suppression
80% Efficiency
Green product and no Sb/Br
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