參數(shù)資料
型號(hào)： TA8272H
廠商： Toshiba Corporation
英文描述： Max Power 43 W BTL x 4 ch Audio Power IC
中文描述： 最大功率43糯橋接× 4通道音頻功率IC
文件頁數(shù)： 4/13頁
文件大小： 248K
代理商： TA8272H
TA8272H
2002-06-20
4
3. Muting Function
(pin 22)
The muting time constant is decided by R
1
and C
4
and these parts is related the pop noise at power
ON/OFF.
The series resistance; R
1
must be set up less than 10 k .
The muting function have to be controlled by a transistor, FET and -COM port which has I
MUTE
250
A ability.
Terminal 22 must not be pulled up and it shall be controlled by OPEN/LOW.
Figure 5 Mute Attenuation V
MUTE
(V)
Point A voltage: VMUTE (V)
ATT – V
MUTE
M
10 k
5 k
VCC 13.2 V
Po 10 W
RL 4
f 1 kHz
BW 400 Hz~30 kHz
100
0
0.4
0.8 1 1.2
1.6
2
2.4
2.8 3
80
60
40
20
0
20
Figure 4 Muting Function
R
1
I (100 A)
I
MUTE (OFF)
24
I
MUTE
A
V
MUTE
C
4
– Conventional Method –
V
CC
Large current capacity switch
BATTERY
V
CC
FROM
MICROCOMPUTER
BATTERY
RELAY
V
CC
Small current capacity switch
BATTERY
Stand-By
V
CC
DIRECTLY FROM
MICROCOMPUTER
BATTERY
Stand-By
– Stand-by Switch Method –
Figure 3
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TA8273H 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic
TA8275 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:Max Power 41 W BTL x 4 ch Audio Power IC
TA8275H 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:Max Power 41 W BTL x 4 ch Audio Power IC
TA8276H 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:Max Power 35 W BTL 】 4 ch Audio Power IC
TA8276HQ 功能描述:音頻放大器 20W x 4ch Car Pwr Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
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