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BD5424EFS-E2

更新时间： 2024-11-26 06:41:55
品牌 Logo 应用领域
罗姆 - ROHM 放大器
页数 文件大小 规格书
18页 553K
描述
Analog Input/BTL Output Class-D Speaker Amplifier

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BD5424EFS-E2 数据手册

 浏览型号BD5424EFS-E2的Datasheet PDF文件第2页浏览型号BD5424EFS-E2的Datasheet PDF文件第3页浏览型号BD5424EFS-E2的Datasheet PDF文件第4页浏览型号BD5424EFS-E2的Datasheet PDF文件第5页浏览型号BD5424EFS-E2的Datasheet PDF文件第6页浏览型号BD5424EFS-E2的Datasheet PDF文件第7页 
Middle Power Class-D Speaker Amplifiers  
Analog Input / BTL Output  
Class-D Speaker Amplifier  
BD5424EFS  
No.10075EBT04  
●Description  
BD5424EFS is a 20W + 20W stereo class-D power amplifier IC, developed for space-saving and low heat-generation  
applications such as low-profile TV sets. The IC employs state-of-the-art Bipolar, CMOS, and DMOS (BCD) process technology  
that eliminates turn-on resistance in the output power stage and internal loss due to line resistances up to an ultimate level.  
With this technology, the IC has achieved high efficiency of 91% (10W + 10W output with 8Ω load), which is the top class in  
the industry. The IC, in addition, employs a compact back-surface heat radiation type power package to achieve low power  
consumption and low heat generation and eliminates necessity of installing an external radiator, up to a total output of 40W.  
This product satisfies both needs for drastic downsizing, low-profile structures and powerful, high-quality playback of the  
sound system.  
●Features  
1) A high efficiency of 91% (10W + 10W output with 8Ω load), which is the highest grade in the industry and low heat-generation.  
2) An output of 20W + 20W (17V, with 8Ω load) is allowed without an external heat radiator.  
3) Driving a lowest rating load of 3.6Ω is allowed.  
4) Pop noise upon turning power on/off and power interruption has been reduced.  
5) High-quality audio muting is implemented by soft-switching technology.  
6) An output power limiter function limits excessive output to speakers.  
7) High-reliability design provided with built-in protection circuits against high temperatures, against VCC shorting and  
GND shorting, against reduced-voltage, and against applying DC voltage to speaker.  
8) A master/slave function allowing synchronization of multiple devices reduces beat noises.  
9) Adjustment of internal PWM sampling clock frequencies (350kHz to 500kHz) allows easy protective measures  
against unwanted radio emission to AM radio band.  
10) A compact back-surface heat radiation type power package is employed.  
HTSSOP-A44 (5mm × 7.5mm × 1.0mm, pitch 0.8mm)  
●Absolute Maximum Ratings  
A circuit must be designed and evaluated not to exceed absolute maximum rating in any cases and even momentarily, to prevent  
reduction in functional performances and thermal destruction of a semiconductor product and secure useful life and reliability.  
The following values assume Ta =25℃. For latest values, refer to delivery specifications.  
Parameter  
Supply voltage  
Symbol  
VCC  
Ratings  
+20  
Unit  
V
Conditions  
Pin 7, 8, 15, 16, 29, 30, 37, 38, 40  
(Note 1, 2)  
2.0  
4.5  
W
W
(Note 3)  
(Note 4)  
Power dissipation  
Pd  
Input voltage for signal pin  
Input voltage for control pin  
Input voltage for clock pin  
Operating temperature range  
Storage temperature range  
Maximum junction temperature  
VIN  
-0.2 ~ +7.2  
-0.2 ~ Vcc+0.2  
-0.2 ~ +7.2  
-40 ~ +85  
V
V
Pin 1, 44 (Note 1)  
Pin 20, 24 (Note 1)  
Pin 23 (Note 1)  
VCONT  
VOSC  
Topr  
V
℃
℃
℃
Tstg  
-55 ~ +150  
+150  
Tjmax  
(Note 1) A voltage that can be applied with reference to GND (pins 11, 12, 33, 34, and 43)  
(Note 2) Pd and Tjmax=150℃ must not be exceeded.  
(Note 3) 70mm × 70mm × 1.6mm FR4 One-sided glass epoxy board (Back copper foil 0%) installed.  
If used under Ta=25℃ or higher, reduce 16mW for increase of every 1℃. The board is provided with thermal via.  
(Note 4) 70mm × 70mm × 1.6mm FR4 Both-sided glass epoxy board (Back copper foil 100%) installed.  
If used under Ta=25℃ or higher, reduce 36mW for increase of every 1℃. The board is provided with thermal via.  
www.rohm.com  
© 2010 ROHM Co., Ltd. All rights reserved.  
2010.05 - Rev.B  
1/17  
1234567...18

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BD5424EFS-E2 替代型号

型号 品牌 替代类型 描述 数据表
BD5423EFS ROHM

功能相似

 Audio Amplifier, 17W, 2 Channel(s), 1 Func, PDSO44, HTSSOP-44

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