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TFA9810

更新时间: 2024-02-25 22:41:17
品牌 Logo 应用领域
恩智浦 - NXP 音频放大器
页数 文件大小 规格书
29页 148K
描述
Stereo full-bridge audio amplifier 2 x 12 W

TFA9810 技术参数

是否Rohs认证: 符合生命周期:Obsolete
包装说明:SOP, SOP32,.4Reach Compliance Code:unknown
风险等级:5.84商用集成电路类型:AUDIO AMPLIFIER
JESD-30 代码:R-PDSO-G32功能数量:4
端子数量:32最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP32,.4
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
电源:12 V认证状态:Not Qualified
子类别:Audio/Video Amplifiers最大压摆率:45 mA
表面贴装:YES温度等级:INDUSTRIAL
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUALBase Number Matches:1

TFA9810 数据手册

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TFA9810  
Stereo full-bridge audio amplifier 2 x 12 W  
Rev. 02 — 30 August 2007  
Preliminary data sheet  
1. General description  
The TFA9810 is a two-channel power comparator for high-efficiency class D audio  
amplifier systems. It contains two full-bridge Bridge-Tied Load (BTL) power stages, drive  
logic, protection control logic and full differential input comparators. By using this power  
comparator a compact closed-loop self-oscillating digital amplifier system or open-loop  
system can be built. The TFA9810 does not require a heat sink and operates using an  
asymmetrical supply voltage.  
2. Features  
I Stereo full-bridge power comparator for class D audio amplifier applications  
I No external heat sink required  
I Operating voltage range: asymmetrical from 8 V to 20 V  
I Thermally protected  
I Zero dead-time switching  
I Current-limiting (no audible interruptions)  
3. Applications  
I Self-oscillating or open-loop class D audio amplifier applications  
I Flat-panel television sets  
I Flat-panel monitors  
I Multimedia systems  
I Wireless speakers  
I High-end CRT television sets  
4. Quick reference data  
Table 1.  
Quick reference data  
Tamb = 25 °C; VP = 12 V; fosc = 550 kHz; Figure 33 unless otherwise specified  
Symbol  
Parameter  
Condition  
Min  
Typ  
12  
Max Unit  
VP  
Ioff  
Iq  
supply voltage  
off-state current  
quiescent current  
VP = VDDPx VSSPx  
Off mode  
8
-
20  
V
110  
35  
200  
45  
µA  
mA  
With load, filter and  
snubbers connected  
-
ηpo  
output power  
efficiency  
Output power  
2 x 9 W into 8 ;  
Po = Po(nom)  
87  
89  
-
%

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