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TFA9879HN PDF预览

TFA9879HN

更新时间： 2024-02-29 17:10:17
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
60页 526K
描述
IC AUDIO AMPLIFIER, PQCC24, 4 X 4 MM, 0.85 MM HEIGHT, PLASTIC, MO-220, SOT616-3, HVQFN-24, Audio/Video Amplifier

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TFA9879HN 技术参数

生命周期：Not Recommended零件包装代码：QFN
包装说明：HVQCCN,针数：24
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.33.00.01风险等级：5.75
其他特性：IT ALSO REQUIRES 1.8V DIGITAL NOMINAL SUPPLY VOLTAGE商用集成电路类型：AUDIO AMPLIFIER
JESD-30 代码：S-PQCC-N24长度：4 mm
信道数量：1功能数量：1
端子数量：24最高工作温度：85 °C
最低工作温度：-20 °C标称输出功率：2.75 W
封装主体材料：PLASTIC/EPOXY封装代码：HVQCCN
封装形状：SQUARE封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
认证状态：Not Qualified座面最大高度：1 mm
最大供电电压 (Vsup)：5.5 V最小供电电压 (Vsup)：2.5 V
表面贴装：YES温度等级：OTHER
端子形式：NO LEAD端子节距：0.5 mm
端子位置：QUAD宽度：4 mm
Base Number Matches：1

TFA9879HN 数据手册

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TFA9879  
Mono BTL class-D audio amplifier for portable applications  
with digital input  
Rev. 02 — 15 October 2010  
Product data sheet  
1. Introduction  
The TFA9879 is a high-efficiency filter-free mono class-D audio amplifier with two  
separate digital inputs for mobile applications.  
2. General description  
The TFA9879 contains a processor that supports a range of sound processing features  
including a 5-band parametric equalizer, separate bass and treble control, a dynamic  
range compressor, soft clip control and volume control. Excellent audio performance  
combined with high Power Supply Rejection Ratio (PSRR) is achieved through the use of  
a closed loop configuration.  
Two independent digital audio inputs (I2S-bus / PCM / IOM2) are available for connecting  
both a baseband and a multimedia processor.  
The TFA9879 is available in a HVQFN24 package.  
3. Features and benefits  
3.1 General features  
„ Closed loop amplifier for:  
‹ High power supply rejection ratio  
‹ Excellent audio performance  
„ Digital input for high RF immunity  
„ High efficiency for maximizing battery life  
„ Wide supply voltage range (fully operational from 2.5 V to 5.5 V)  
„ Delivers high output power into 4 Ω and 8 Ω load impedances  
„ Phase-Locked Loop (PLL); no system clock required  
„ Protection including diagnostics via I2C-bus:  
‹ OverCurrent Protection (OCP) to protect against short circuits across the speaker,  
to the supply line or to ground  
‹ OverTemperature Protection (OTP)  
‹ Digital inputs protected with UnderFrequency Protection (UFP), OverFrequency  
Protection (OFP) and Invalid Bit-clock Protection (IBP)  
„ ‘Pop noise’ free at power-up/power down, during sample rate switching and when  
switching between digital inputs  
„ Four separate I2C-bus addresses for multi-channel applications  
 
 
 
 
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