Datasheet > LM4952

LM4952

更新时间： 2024-11-22 02:58:19

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德州仪器 - TI		/
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Boomer Audio Power Amplifier Series 3.1W Stereo-SE Audio Power Amplifier with DC Volume Control

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LM4952 数据手册

LM4952

www.ti.com

SNAS230A –AUGUST 2004–REVISED MAY 2013

LM4952 Boomer™ Audio Power Amplifier Series 3.1W Stereo-SE Audio Power Amplifier

with DC Volume Control

Check for Samples: LM4952

FEATURES

DESCRIPTION

The LM4952 is a dual audio power amplifier primarily

designed for demanding applications in flat panel

monitors and TV's. It is capable of delivering 3.1

watts per channel to a 4Ω single-ended load with less

than 1% THD+N when powered by a 12V_DCpower

supply.

•

Pop & Click Circuitry Eliminates Noise During

Turn-on and Turn-off Transitions

•

Low Current, Active-low Shutdown Mode

Low Quiescent Current

Stereo 3.8W Output, R_L= 4Ω

DC-controlled Volume Control

Short Circuit Protection

Eliminating external feedback resistors, an internal,

DC-controlled, volume control allows easy and

variable gain adjustment.

APPLICATIONS

Boomer audio power amplifiers were designed

specifically to provide high quality output power with a

minimal amount of external components. The

LM4952 does not require bootstrap capacitors or

snubber circuits. Therefore, it is ideally suited for

display applications requiring high power and minimal

size.

•

Flat Panel Monitors

Flat Panel TV's

Computer Sound Cards

KEY SPECIFICATIONS

The LM4952 features a low-power consumption

active-low shutdown mode. Additionally, the LM4952

features an internal thermal shutdown protection

mechanism along with short circuit protection.

•

Quiscent Power Supply Current 18mA (typ)

P_OUT

V_DD= 12V, RL = 4Ω, 10% THD+N 3.8W (typ)

•

Shutdown current 55μA (typ)

The LM4952 contains advanced pop & click circuitry

that eliminates noises which would otherwise occur

during turn-on and turn-off transitions.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

Boomer is a trademark of Texas Instruments Incorporated.

All other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...25

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与LM4952相关器件

型号	品牌	获取价格	描述	数据表
LM4952_15	TI	获取价格	Boomer Audio Power Amplifier Series 3.1W Stereo-SE Audio Power Amplifier with DC Volume Co
LM4952TS	NSC	获取价格	3.1W Stereo-SE Audio Power Amplifier with DC Volume Control
LM4952TS/NOPB	TI	获取价格	Boomer Audio Power Amplifier Series 3.1W Stereo-SE Audio Power Amplifier with DC Volume Co
LM4952TSX	NSC	获取价格	IC 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PSSO9, TO-263, 9 PIN, Audio Control IC
LM4952TSX/NOPB	TI	获取价格	Boomer Audio Power Amplifier Series 3.1W Stereo-SE Audio Power Amplifier with DC Volume Co
LM4953	NSC	获取价格	Ground-Referenced, Ultra Low Noise, Ceramic Speaker Driver
LM4953SD	NSC	获取价格	Ground-Referenced, Ultra Low Noise, Ceramic Speaker Driver
LM4953SD/NOPB	TI	获取价格	1 CHANNEL, AUDIO AMPLIFIER, PDSO14, WSON-14
LM4953SD-N	TI	获取价格	IC,AUDIO AMPLIFIER,SINGLE,LLCC,14PIN,PLASTIC
LM4953SDX	NSC	获取价格	IC 1 CHANNEL, AUDIO AMPLIFIER, DSO14, LLP-14, Audio/Video Amplifier

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