Datasheet > BD5424EFS

BD5424EFS

更新时间： 2024-02-14 22:43:17

品牌	Logo	应用领域
罗姆 - ROHM		放大器
页数	文件大小	规格书
18页	597K
描述
20W+20W Class-D Speaker Amplifier for Analog Input

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BD5424EFS 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	零件包装代码：	TSSOP
包装说明：	HVSSOP, TSOP44,.36,32	针数：	44
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.33.00.01	风险等级：	5.73
标称带宽：	20 kHz	商用集成电路类型：	AUDIO AMPLIFIER
谐波失真：	0.1%	JESD-30 代码：	R-PDSO-G44
JESD-609代码：	e2	长度：	18.5 mm
信道数量：	2	功能数量：	1
端子数量：	44	最高工作温度：	85 °C
最低工作温度：	-40 °C	标称输出功率：	20 W
封装主体材料：	PLASTIC/EPOXY	封装代码：	HVSSOP
封装等效代码：	TSOP44,.36,32	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE, SHRINK PITCH	峰值回流温度（摄氏度）：	260
电源：	12 V	认证状态：	Not Qualified
座面最大高度：	1 mm	子类别：	Audio/Video Amplifiers
最大供电电压 (Vsup)：	18 V	最小供电电压 (Vsup)：	10 V
表面贴装：	YES	技术：	BCDMOS
温度等级：	INDUSTRIAL	端子面层：	Tin/Copper (Sn/Cu)
端子形式：	GULL WING	端子节距：	0.8 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	NOT SPECIFIED
宽度：	7.5 mm	Base Number Matches：	1

BD5424EFS 数据手册

High Performance Class-D Speaker Amplifier Series

20W+20W Class-D

Speaker Amplifier for Analog Input

BD5424EFS

No.09075EAT04

●Overview

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)

www.rohm.com

2009.06 - Rev.A

1/17

12 3 4 5 6 7...18

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BD5424EFS_10	ROHM	Analog Input/BTL Output Class-D Speaker Amplifier	获取价格
BD5424EFS-E2	ROHM	Analog Input/BTL Output Class-D Speaker Amplifier	获取价格
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