Datasheet > LM4895MMX

LM4895MMX

更新时间： 2024-02-04 04:04:10

品牌	Logo	应用领域
德州仪器 - TI		放大器光电二极管商用集成电路
页数	文件大小	规格书
16页	484K
描述
1W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO10, MSOP-10

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技术参数
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LM4895MMX 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
包装说明：	TSSOP, TSSOP10,.19,20	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.33.00.01
风险等级：	5.76	商用集成电路类型：	AUDIO AMPLIFIER
增益：	6 dB	谐波失真：	1%
JESD-30 代码：	S-PDSO-G10	JESD-609代码：	e0
长度：	3 mm	湿度敏感等级：	1
信道数量：	1	功能数量：	1
端子数量：	10	最高工作温度：	85 °C
最低工作温度：	-40 °C	标称输出功率：	1 W
封装主体材料：	PLASTIC/EPOXY	封装代码：	TSSOP
封装等效代码：	TSSOP10,.19,20	封装形状：	SQUARE
封装形式：	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	峰值回流温度（摄氏度）：	260
电源：	3/5 V	认证状态：	Not Qualified
座面最大高度：	1.09 mm	子类别：	Audio/Video Amplifiers
最大压摆率：	8 mA	最大供电电压 (Vsup)：	5.5 V
最小供电电压 (Vsup)：	2.2 V	表面贴装：	YES
温度等级：	INDUSTRIAL	端子面层：	Tin/Lead (Sn85Pb15)
端子形式：	GULL WING	端子节距：	0.5 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	40
宽度：	3 mm	Base Number Matches：	1

LM4895MMX 数据手册

OBSOLETE

LM4895

October 5, 2011

1 Watt Fully Differential Audio Power Amplifier With

Shutdown Select and Fixed 6dB Gain

General Description

Key Specifications

The LM4895 is a fully differential audio power amplifier pri-

marily designed for demanding applications in mobile phones

and other portable communication device applications. It is

capable of delivering 1 watt of continuous average power to

an 8Ω load with less than 1% distortion (THD+N) from a

5V_DCpower supply.

■ꢀImproved PSRR at 217Hz

■ꢀPower Output at 5.0V & 1% THD

■ꢀPower Output at 3.3V & 1% THD

■ꢀShutdown Current

80dB

1.0W(typ.)

400mW(typ.)

0.1µA(typ.)

Boomer audio power amplifiers were designed specifically to

provide high quality output power with a minimal amount of

external components. The LM4895 does not require output

coupling capacitors or bootstrap capacitors, and therefore is

ideally suited for mobile phone and other low voltage appli-

cations where minimal power consumption is a primary re-

quirement.

Features

Fully differential amplification

■

Internal-gain-setting resistors

Available in space-saving packages micro SMD, MSOP

and LLP

■

The LM4895 features a low-power consumption shutdown

mode. To facilitate this, Shutdown may be enabled by either

logic high or low depending on mode selection. Driving the

shutdown mode pin either high or low enables the shutdown

select pin to be driven in a likewise manner to enable Shut-

down. Additionally, the LM4895 features an internal thermal

shutdown protection mechanism.

Ultra low current shutdown mode

■

Can drive capacitive loads up to 500 pF

Improved pop & click circuitry eliminates noises during

turn-on and turn-off transitions

2.2 - 5.5V operation

■

No output coupling capacitors, snubber networks or

bootstrap capacitors required

Shutdown high or low selectivity

The LM4895 contains advanced pop & click circuitry which

eliminates noises which would otherwise occur during turn-on

and turn-off transitions.

■

Applications

The LM4895 has an internally fixed gain of 6dB.

Mobile phones

■

PDAs

Portable electronic devices

■

Typical Application

20023201

FIGURE 1. Typical Audio Amplifier Application Circuit

Boomer® is a registered trademark of National Semiconductor Corporation.

200232

www.national.com

200232 Version 6 Revision 2 Print Date/Time: 2011/10/05 08:10:57

12 3 4 5 6 7...16

中文翻译

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与LM4895MMX相关器件

型号	品牌	获取价格	描述	数据表
LM4895MMX/NOPB	TI	获取价格	0.35W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO10, MSOP-10
LM4895MWC	TI	获取价格	IC 0.35 W, 1 CHANNEL, AUDIO AMPLIFIER, UUC, WAFER, Audio/Video Amplifier
LM4897	NSC	获取价格	1.1 Watt Audio Power Amplifier with Fade-In and Fade-Out
LM4897MM	NSC	获取价格	1.1 Watt Audio Power Amplifier with Fade-In and Fade-Out
LM4897MM/NOPB	TI	获取价格	1.1W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO10, MSOP-10
LM4898	NSC	获取价格	1 Watt Fully Differential Audio Power Amplifier With Shutdown Select
LM4898ITL	NSC	获取价格	1 Watt Fully Differential Audio Power Amplifier With Shutdown Select
LM4898ITL/NOPB	NSC	获取价格	IC 1 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA9, MICRO SMD-9, Audio/Video Amplifier
LM4898ITLX	NSC	获取价格	1 Watt Fully Differential Audio Power Amplifier With Shutdown Select
LM4898ITLX/NOPB	TI	获取价格	1W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA9, MICRO SMD-9

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