TA8205AHQ

更新时间： 2024-02-28 02:17:04

品牌	Logo	应用领域
东芝 - TOSHIBA		消费电路商用集成电路音频放大器视频放大器功率放大器局域网
页数	文件大小	规格书
14页	935K
描述
18W BTL 】 2CH Audio Power Amplifier

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技术参数
数据手册

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TA8205AHQ 技术参数

是否Rohs认证：	不符合	生命周期：	Transferred
零件包装代码：	SFM	包装说明：	2 MM PITCH, PLASTIC, HSIP-17
针数：	17	Reach Compliance Code：	unknown
风险等级：	5.54	Is Samacsys：	N
标称带宽：	20 kHz	商用集成电路类型：	AUDIO AMPLIFIER
谐波失真：	10%	JESD-30 代码：	R-PSFM-T17
信道数量：	2	功能数量：	1
端子数量：	17	最高工作温度：	85 °C
最低工作温度：	-30 °C	标称输出功率：	18 W
封装主体材料：	PLASTIC/EPOXY	封装形状：	RECTANGULAR
封装形式：	FLANGE MOUNT	认证状态：	Not Qualified
最大供电电压 (Vsup)：	18 V	最小供电电压 (Vsup)：	9 V
表面贴装：	NO	技术：	BIPOLAR
温度等级：	OTHER	端子形式：	THROUGH-HOLE
端子位置：	SINGLE	Base Number Matches：	1

TA8205AHQ 数据手册

TA8205AHQ/ALQ

5. Muting function

Through setting pin(1) (mute terminal) at about 1V or less, muting becomes possible.

The interval circuit of IC is shown in Fig.4.

When pin(1) is set to low, Q1 and Q2 are turned to on, the charge of the ripple condenser is discharged and the

bias is cut. The mute amount of 60dB or over can be obtained.

Since this mute function rapidly discharges the charge of the ripple filter capacitor of pin(8), the pop noise is

generated by the DC fluctuation of the bias section.

Therefore, this muting function is not appropriate to the audio muting but it is effective in muting at V →on.

6. External parts list and description

Influence

Recom−

mended

Value

Symbol

Feature

Remarks

Smaller Than

Recommended Value

Larger Than

Recommended Value

Related to gain.

Refer to item 4.

4.7µF

47µF

DC blocking

Related to pop noise at V →on.

determination of low cut−off frequency.

Feedback

condenser

2π・f・R

Ripple

reduction

Time constant is small

Time constant is large

220µF

0.12µF

at V →on or off.

Oscillation

prevention

Made liable to

oscillate.

Oscillation allowance

improved.

Refer to item 3.

For filtering power supply hum and ripple.

Large at using AC rectified power supply.

Small at using DC power supply.

Repple

filter

1000µF

2006-04-28

1 2 3 456 7 8...14

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