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參數(shù)資料
| 型號(hào)： | 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(yè)數(shù)： | 6/31頁(yè) |
| 文件大小： | 292K |
| 代理商： | 935261315118 |
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1998 Jun 02
14
Philips Semiconductors
Preliminary specication
2
× 1.4 W BTL audio ampliers with digital
volume control and headphone sensing
TDA8552T; TDA8552TS
TEST AND APPLICATION INFORMATION
Fig.4 Test and application diagram.
handbook, full pagewidth
MGM609
20
k
15 k
20 k
20 k
3.4 k
1.6 k
20 dB
30 dB
20
k
15 k
20 k
20 k
3.4 k
1.6 k
15 k
15 k
15 k
15 k
20 dB
30 dB
0.5VDD
VDD
0.5VDD
VOLUME
CONTROL
VOLUME
CONTROL
MASTER
SLAVE
MASTER
SLAVE
UP/DOWN
COUNTER
INTERFACE
UP/DOWN
COUNTER
INTERFACE
STANDBY/MUTE
AND OPERATING
GAIN
SELECTION
UP/DOWN1
UP/DOWN2
IN1
17
6
16
15
7
5
4
IN2
SVR
MODE
HPS
GAINSEL
GND1 to GND4
OUT2
OUT2
+
OUT1
OUT1
+
12
19
2
9
1, 10, 11, 20
14
up
down
up
down
VDD1, 2
VDD3, 4
3, 8
13, 18
100
nF
220
F
VDD = 5 V
C3
C4
C1
330 nF
VIN1
C2
330 nF
VIN2
volume
control
down
up
VDD
2.2 k
R5
C7
100
nF
volume
control
down
up
VDD
2.2 k
R6
C8
100 nF
VDD
mute
standby
operating
C3
220
F
VDD
R2
820 k
100 k
ground
R3
VDD
8
R1
1 k
R4
1 k
8
ring
tip
sleeve
C6
220
F
C5
220
F
headphone jack
TDA8552T
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