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參數(shù)資料
| 型號： | TDA8561TH |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 12 W, 4 CHANNEL, AUDIO AMPLIFIER, PDSO20 |
| 封裝： | PLASTIC, HSOP-20 |
| 文件頁數(shù)： | 5/24頁 |
| 文件大小： | 128K |
| 代理商： | TDA8561TH |
2000 Feb 18
13
Philips Semiconductors
Preliminary specication
2
× 24 W BTL or 4 × 12 W single-ended
car radio power amplier
TDA8561TH
Mode select switch
To avoid switch-on plops, it is advised to keep the amplifier
in the mute mode during >100 ms (charging of the input
capacitors at pins 1, 3, 8 and 10).
The circuit in Fig.11 slowly ramps up the voltage at the
mode select switch pin when switching on and results in
fast muting when switching off.
handbook, halfpage
100 k
MGA708
47
F
10 k
100
mode
select
switch
VP
Fig.11 Mode select switch circuitry.
Fig.12 Total harmonic distortion as a function of output power; VP = 14.4 V, RL =4 .
(1) f = 10 kHz.
(2) f = 1 kHz.
(3) f = 100 Hz.
10 2
MGA709
10
1
10 1
10 2
10
1
10
P (W)
o
10 2
1
10 2
THD
(%)
(1)
(2)
(3)
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