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TFA9812HN/N1,557

更新时间： 2024-11-14 20:08:55
品牌 Logo 应用领域
恩智浦 - NXP 放大器商用集成电路
页数 文件大小 规格书
66页 383K
描述
TFA9812HN

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TFA9812HN/N1,557 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：QFN包装说明：HVQCCN, LCC48,.27SQ,20
针数：48Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.33.00.01
风险等级：5.83商用集成电路类型：AUDIO AMPLIFIER
谐波失真：10%JESD-30 代码：S-PQCC-N48
长度：7 mm信道数量：2
功能数量：1端子数量：48
最高工作温度：85 °C最低工作温度：-40 °C
标称输出功率：15 W封装主体材料：PLASTIC/EPOXY
封装代码：HVQCCN封装等效代码：LCC48,.27SQ,20
封装形状：SQUARE封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
电源：3.3,12 V认证状态：Not Qualified
座面最大高度：1 mm子类别：Audio/Video Amplifiers
最大压摆率：45 mA最大供电电压 (Vsup)：20 V
最小供电电压 (Vsup)：8 V表面贴装：YES
温度等级：INDUSTRIAL端子形式：NO LEAD
端子节距：0.5 mm端子位置：QUAD
宽度：7 mmBase Number Matches：1

TFA9812HN/N1,557 数据手册

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TFA9812  
BTL stereo Class-D audio amplifier with I2S input  
Rev. 02 — 22 January 2009  
Preliminary data sheet  
1. General description  
The TFA9812 is a high-efficiency Bridge Tied Load (BTL) stereo Class-D audio amplifier  
with a digital I2S audio input. It is available in a HVQFN48 package with exposed die  
paddle. The exposed die paddle technology enhances the thermal and electrical  
performances of the device.  
The TFA9812 features digital sound processing and audio power amplification. It supports  
I2C control mode and Legacy mode. In Legacy mode I2C involvement is not needed  
because the key features are controlled by hardware pin connections.  
A continuous time output power of 2 × 12 W (RL = 8 Ω, VDDP = 15 V) is supported without  
an external heat sink. Due to the implementation of a programmable thermal foldback  
even for high supply voltages, higher ambient temperatures, and/or lower load  
impedances, the device operates without sound interrupting behavior.  
TFA9812 is designed in such a way that it starts up easily (no special power-up sequence  
required). It features various soft and hard impact protection mechanisms to ensure an  
application that is both user friendly and robust.  
A modulation technique is applied for the TFA9812, which supports common mode choke  
approach (1 common mode choke only per BTL amplifier stage). This minimizes the  
number of external components.  
2. Features  
2.1 General features  
I 3.3 V and 8 V to 20 V external power supply  
I High efficiency and low power dissipation  
I Speaker outputs fully short circuit proof across load, to supply lines and ground  
I Pop noise free at power-up/power-down and sample rate switching  
I Low power Sleep mode  
I Overvoltage and undervoltage protection on the 8 V to 20 V power supply  
I Undervoltage protection on the 3.3 V power supply  
I Overcurrent protection (no audible interruptions)  
I Overdissipation protection  
I Thermally protected and programmable thermal foldback  
I Clock error protection  
I I2C mode control or Legacy mode (i.e. no I2C) control  
I Four different I2C addresses supported  
I Internal Phase-Locked Loop (PLL) without using external components  
 
 
 
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TFA9812HN/N1,557 替代型号

型号 品牌 替代类型 描述 数据表
TFA9812HN NXP

功能相似

 BTL stereo Class-D audio amplifier with I2S input

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