Datasheet > LM4995TM/NOPB

LM4995TM/NOPB

更新时间： 2024-09-22 01:05:31

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德州仪器 - TI		/
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1.3 W Audio Power Amplifier

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LM4995TM/NOPB 数据手册

LM4995, LM4995TMBD

www.ti.com

SNAS329G –APRIL 2006–REVISED APRIL 2013

LM4995

1.3 W Audio Power Amplifier

Check for Samples: LM4995, LM4995TMBD

FEATURES

DESCRIPTION

The LM4995 is an audio power amplifier primarily

designed for demanding applications in mobile

phones and other portable communication device

applications. It is capable of delivering 1.2W of

continuous average power to an 8Ω BTL load with

less than 1% distortion (THD+N) from a 5V_DCpower

supply.

•

Available in Space-Saving 0.4mm Pitch

DSBGA Package

•

Ultra Low Current Shutdown Mode

BTL Output Can Drive Capacitive Loads

Improved Click and Pop Circuitry Eliminates

Noise during Turn-On and Turn-Off Transitions

Boomer audio power amplifiers were designed

specifically to provide high quality output power with a

minimal amount of external components. The

LM4995 does not require output coupling capacitors

or bootstrap capacitors, and therefore is ideally suited

for mobile phone and other low voltage applications

where minimal power consumption is a primary

requirement.

•

2.4 - 5.5V Operation

No Output Coupling Capacitors, Snubber

Networks or Bootstrap Capacitors Required

•

Unity-Gain Stable

External Gain Configuration Capability

WSON Package: 0.5mm Pitch, 3 x 3 mm

The LM4995 features a low-power consumption

shutdown mode, which is achieved by driving the

shutdown pin with logic low. Additionally, the LM4995

features an internal thermal shutdown protection

mechanism.

APPLICATIONS

•

Mobile Phones

PDAs

Portable electronic devices

The LM4995 contains advanced click and pop

circuitry which eliminates noise which would

otherwise occur during turn-on and turn-off

transitions.

KEY SPECIFICATIONS

•

PSRR at 3.6V (217Hz & 1kHz): 75 dB

Output Power at 5.0V, 1% THD+N, 8Ω:

The LM4995 is unity-gain stable and can be

configured by external gain-setting resistors.

1.3 W (typ)

•

Output Power at 3.6V, 1% THD+N, 8Ω:

625 mW (typ)

Shutdown Current: 0.01µA (typ)

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.

All 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...22

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LM4995TM/NOPB 替代型号

型号	品牌	替代类型	描述	数据表
LM4995TMX/NOPB	TI	功能相似	1.3 W Audio Power Amplifier

与LM4995TM/NOPB相关器件

型号	品牌	获取价格	描述	数据表
LM4995TMBD	TI	获取价格	1.3 W Audio Power Amplifier
LM4995TMX	NSC	获取价格	IC 1.3 W, 1 CHANNEL, AUDIO AMPLIFIER, BGA9, 0.4 MM PICTH, MICRO, BGA-9, Audio/Video Amplif
LM4995TMX/NOPB	TI	获取价格	1.3 W Audio Power Amplifier
LM4F110B2QR	TI	获取价格	StellarisÂ® LM4F110B2QR Microcontroller
LM4F110C4QR	TI	获取价格	StellarisÂ® LM4F110C4QR Microcontroller
LM4F110E5QR	TI	获取价格	StellarisÂ® LM4F110E5QR Microcontroller
LM4F110H5QR	TI	获取价格	StellarisÂ® LM4F110H5QR Microcontroller
LM4F111B2QR	TI	获取价格	StellarisÂ® LM4F111B2QR Microcontroller
LM4F111C4QR	TI	获取价格	StellarisÂ® LM4F111C4QR Microcontroller
LM4F111E5QR	TI	获取价格	StellarisÂ® LM4F111E5QR Microcontroller

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