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參數資料
| 型號： | 935261315118 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 音頻控制 |
| 英文描述： | 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO20 |
| 封裝： | PLASTIC, SOT-163, SO-20 |
| 文件頁數： | 8/31頁 |
| 文件大小： | 292K |
| 代理商： | 935261315118 |
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1998 Jun 02
16
Philips Semiconductors
Preliminary specication
2
× 1.4 W BTL audio ampliers with digital
volume control and headphone sensing
TDA8552T; TDA8552TS
Application without volume control
If pins 6, 7 and 8 are hardwired together the device operates with the volume control setting at maximum.
When the supply voltage is connected and the device is switched from standby to mute or operating for the first time then
the gain is ramped up from
20 dB to +20 dB. This takes approximately 5 s.
This maximum gain setting is maintained until the supply voltage drops below the minimum value.
Fig.5 Volume and balance control using buttons.
handbook, full pagewidth
MGM612
VDD
balance left
balance right
up
volume
down
2.2 k
2.2 k
100 nF
UP/DOWN1
UP/DOWN2
6
7
TDA8552T
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