Datasheet > BD7836EFV

BD7836EFV

更新时间： 2024-01-11 16:09:31

品牌	Logo	应用领域
罗姆 - ROHM		放大器
页数	文件大小	规格书
17页	556K
描述
1.9W+1.9W Stereo Speaker Amplifier

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中文翻译

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技术参数
数据手册

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BD7836EFV 技术参数

是否Rohs认证：	符合	生命周期：	Active
零件包装代码：	TSSOP	包装说明：	ROHS COMPLIANT, TSSOP-20
针数：	20	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.33.00.01
风险等级：	5.71	标称带宽：	20 kHz
商用集成电路类型：	AUDIO AMPLIFIER	JESD-30 代码：	R-PDSO-G20
长度：	6.5 mm	信道数量：	2
功能数量：	1	端子数量：	20
最高工作温度：	85 °C	最低工作温度：	-40 °C
标称输出功率：	1.9 W	封装主体材料：	PLASTIC/EPOXY
封装代码：	HVSSOP	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）：	NOT SPECIFIED
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)：	4.5 V
表面贴装：	YES	温度等级：	INDUSTRIAL
端子形式：	GULL WING	端子节距：	0.65 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	NOT SPECIFIED
宽度：	4.4 mm	Base Number Matches：	1

BD7836EFV 数据手册

Technical Note

BD7836EFV

●Description of external parts

①Input coupling capacitors Ci (CLIN+/-,CRIN+/-)

It sets cutoff frequency fc by the following formula by input coupling capacitors Ci(CLIN+/-,CRIN+/-) and input impedance Zi.

fc 

[Hz]

2π  Zi  Ci

It makes an input coupling capacitors of evaluation board 0.47μF on evaluation board..

Input impedance Zi and cutoff frequency fc in each gain settings are given in Table1.

Table1. The relations in the gain settings and cutoff frequency fc.

GAIN0

GAIN1

Gain [dB]

Ri Ω]

Zi [Ω]

fc [Hz]

90k

70k

45k

25k

45k

35k

7.5

9.7

22.5k

12.5k

②The power decoupling capacitors (C_SR

)

It makes a power decoupling capacitors 0.1μF. Because power decoupling capacitors influences total harmonic distortion

(THD) and some audio characteristics, please place a good low equivalent-series-resistance (ESR) capacitors as close

as possible to IC.

③BYPASS capacitor (C_BYP

)

Because BYPASS capacitor influences THD, PSRR and some audio characteristics, please place good low

equivalent-series-resistance (ESR) capacitor as close as possible to IC.

The value of BYPASS capacitor determines the turn on time and turn off time.

Refer to the following section of “Turn ON and Turn OFF”.

It makes BYPASS capacitor of evaluation board 0.47μF.

④Control terminal

Each control terminal ( SHUTDOWN , GAIN0, GAIN1) don’t have pull-down resistance internal circuit.

Connect to GND line or VDD line or input Low or high level voltage to terminals in order to avoid the terminals

made high Impedance.

Using IC under the control terminal let high impedance, operation fault may occur.

www.rohm.com

2010.07 - Rev.A

7/16

1...4 5 678 9 10...17

中文翻译

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与BD7836EFV相关器件

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