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LM4960SQ/NOPB PDF预览

LM4960SQ/NOPB

更新时间： 2024-11-25 14:52:31
品牌 Logo 应用领域
德州仪器 - TI 放大器商用集成电路
页数 文件大小 规格书
19页 842K
描述
Piezoelectric Speaker Driver 28-WQFN

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中文翻译

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LM4960SQ/NOPB 技术参数

是否无铅：含铅是否Rohs认证：符合
生命周期：Obsolete包装说明：GREEN, WQFN-28
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.33.00.01Factory Lead Time：1 week
风险等级：5.52Is Samacsys：N
商用集成电路类型：AUDIO AMPLIFIER谐波失真：1%
JESD-30 代码：S-XQCC-N28JESD-609代码：e3
长度：5 mm湿度敏感等级：1
信道数量：1功能数量：1
端子数量：28最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：UNSPECIFIED
封装代码：HVQCCN封装等效代码：LCC28,.2SQ,20
封装形状：SQUARE封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
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：0.8 mm
子类别：Audio/Video Amplifiers最大压摆率：150 mA
最大供电电压 (Vsup)：7 V最小供电电压 (Vsup)：3 V
表面贴装：YES温度等级：INDUSTRIAL
端子面层：Matte Tin (Sn)端子形式：NO LEAD
端子节距：0.5 mm端子位置：QUAD
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：5 mm
Base Number Matches：1

LM4960SQ/NOPB 数据手册

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LM4960  
www.ti.com  
SNAS221C –OCTOBER 2004–REVISED MAY 2013  
LM4960  
Piezoelectric Speaker Driver  
Check for Samples: LM4960  
1
FEATURES  
DESCRIPTION  
The LM4960 utilizes a switching regulator to drive a  
dual audio power amplifier. It delivers 24VP-P mono-  
BTL to a ceramic speaker with less than 1.0%  
THD+N while operating on a 3.0V power supply.  
23  
•
Low Current Shutdown Mode  
•
•
•
•
•
•
•
"Click and Pop" Suppression Circuitry  
Low Quiescent Current  
Unity-Gain Stable Audio Amplifiers  
External Gain Configuration Capability  
Thermal Shutdown Protection Circuitry  
Wide Input Voltage Range (3.0V - 7V)  
1.6MHz Switching Frequency  
The LM4960's switching regulator is a current-mode  
boost converter operating at a fixed frequency of  
1.6MHz.  
Boomer™ audio power amplifiers were designed  
specifically to provide high quality output power with a  
minimal amount of external components. The  
LM4960 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.  
APPLICATIONS  
•
•
Mobile Phone  
PDA's  
KEY SPECIFICATIONS  
The LM4960 features a low-power consumption  
externally controlled micropower shutdown mode.  
Additionally, the LM4960 features and internal  
thermal shutdown protection mechanism along with a  
short circuit protection.  
•
•
•
VOUT @ VDD = 3.0 THD+N ≤ 1%: 24 VP-P (typ)  
Power Supply Range: 3.0 to 7 V  
Switching Frequency: 1.6 MHz (typ)  
The LM4960 is unity-gain stable and can be  
configured by external gain-setting resistors.  
Connection Diagram  
Figure 1. 28-Pin WQFN (Top View)  
See RSG0028A Package  
1
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.  
2
3
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.  
Copyright © 2004–2013, Texas Instruments Incorporated  
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中文翻译

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LM4960SQ/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LM4960SQX TI

完全替代

 1 CHANNEL, AUDIO AMPLIFIER, PQCC28, PLASTIC, LLP-28

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