LM4752

ACTIVO

Amplificador de audio estéreo de Clase AB, entrada analógica, 11 W y alimentación de 9 V a 32 V

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Hoja de datos

document-pdfAcrobat LM4752 Stereo 11W Audio Power Amp datasheet (Rev. E) (Inglés)

LM4752

ACTIVO

Hoja de datos

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Detalles del producto

Audio input type

Analog Input

Architecture

Class-AB

Speaker channels (max)

Stereo

Control interface

Hardware

Output power (W)

11

Power stage supply (max) (V)

16

Power stage supply (min) (V)

9.6

THD + N at 1 kHz (%)

0.08

Load (min) (Ω)

4

Analog supply voltage (min) (V)

9.6

Analog supply voltage (max) (V)

16

Rating

Catalog

Operating temperature range (°C)

0 to 70

Audio input type

Analog Input

Architecture

Class-AB

Speaker channels (max)

Stereo

Control interface

Hardware

Output power (W)

11

Power stage supply (max) (V)

16

Power stage supply (min) (V)

9.6

THD + N at 1 kHz (%)

0.08

Load (min) (Ω)

4

Analog supply voltage (min) (V)

9.6

Analog supply voltage (max) (V)

16

Rating

Catalog

Operating temperature range (°C)

0 to 70

TO-263 (KTW)

7

153.924 mm² (10.1 mm × 15.24 mm)

Drives 4Ω and 8Ω Loads
Internal Gain Resistors (A_V = 34 dB)
Minimum External Component Requirement
Single Supply Operation
Internal Current Limiting
Internal Thermal Protection
Compact 7-lead TO-220 Package
Low Cost-Per-Watt
Wide Supply Range 9V - 40V

Key Specifications

Output Power at 10% THD+N with 1kHz into 4Ω V_CC = 24V 11 W (typ)
Output Power at 10% THD+N with 1kHz into 8Ω V_CC = 24V 7 W (typ)
Closed Loop Gain 34 dB (typ)
P_O at 10% THD+N @ 1 kHz into 4Ω Single-Ended DDPAK Package V_CC = 12V 2.5 W (typ)
P_O at 10% THD+N @ 1kHz into 8Ω Bridged DDPAK Package V_CC = 12V 5 W (typ)

All trademarks are the property of their respective owners.

Drives 4Ω and 8Ω Loads
Internal Gain Resistors (A_V = 34 dB)
Minimum External Component Requirement
Single Supply Operation
Internal Current Limiting
Internal Thermal Protection
Compact 7-lead TO-220 Package
Low Cost-Per-Watt
Wide Supply Range 9V - 40V

Key Specifications

Output Power at 10% THD+N with 1kHz into 4Ω V_CC = 24V 11 W (typ)
Output Power at 10% THD+N with 1kHz into 8Ω V_CC = 24V 7 W (typ)
Closed Loop Gain 34 dB (typ)
P_O at 10% THD+N @ 1 kHz into 4Ω Single-Ended DDPAK Package V_CC = 12V 2.5 W (typ)
P_O at 10% THD+N @ 1kHz into 8Ω Bridged DDPAK Package V_CC = 12V 5 W (typ)

All trademarks are the property of their respective owners.

The LM4752 is a stereo audio amplifier capable of delivering 11W per channel of continuous average output power to a 4Ω load, or 7W per channel into 8Ω using a single 24V supply at 10% THD+N.

The LM4752 is specifically designed for single supply operation and a low external component count. The gain and bias resistors are integrated on chip, resulting in a 11W stereo amplifier in a compact 7 pin TO-220 package. High output power levels at both 20V and 24V supplies and low external component count offer high value for compact stereo and TV applications. A simple mute function can be implemented with the addition of a few external components.

The LM4752 is a stereo audio amplifier capable of delivering 11W per channel of continuous average output power to a 4Ω load, or 7W per channel into 8Ω using a single 24V supply at 10% THD+N.

The LM4752 is specifically designed for single supply operation and a low external component count. The gain and bias resistors are integrated on chip, resulting in a 11W stereo amplifier in a compact 7 pin TO-220 package. High output power levels at both 20V and 24V supplies and low external component count offer high value for compact stereo and TV applications. A simple mute function can be implemented with the addition of a few external components.

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Documentación técnica

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Documentación principal	Tipo	Título	Fecha
*	Hoja de datos	LM4752 Stereo 11W Audio Power Amp datasheet (Rev. E)	4/04/2013
	Nota sobre la aplicación	Guidelines for Measuring Audio Power Amplifier Performance (Rev. A)	26/08/2019
	Nota sobre la aplicación	AN-1849 An Audio Amplifier Power Supply Design (Rev. C)	27/06/2019

Diseño y desarrollo

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