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TDA8552T データシートの表示(PDF) - Philips Electronics
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TDA8552T
2 × 1.4 W BTL audio amplifiers with digital volume control and headphone sensing
Philips Electronics
TDA8552T Datasheet PDF : 28 Pages
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Philips Semiconductors
2
×
1.4 W BTL audio amplifiers with digital
volume control and headphone sensing
BLOCK DIAGRAM
Preliminary specification
TDA8552T; TDA8552TS
handbook, full pagewidth
IN1 17
VOLUME
20
CONTROL
k
Ω
0.5VDD
UP/DOWN1 6
SVR 16
UP/DOWN
COUNTER
up
down
INTERFACE
IN2 15
VOLUME
20
CONTROL
k
Ω
0.5VDD
UP/DOWN2 7
UP/DOWN
COUNTER
up
down
INTERFACE
VDD1 VDD2 VDD3 VDD4
3
8
13
18
MASTER
20 dB
VDD
30 dB
3.4 k
Ω
1.6 k
Ω
15 k
Ω
20 k
Ω
20 k
Ω
15 k
Ω
0.5VDD
0.5VDD
SLAVE
0.5VDD
15 k
Ω
TDA8552T
MASTER
20 dB
VDD
30 dB
3.4 k
Ω
1.6 k
Ω
15 k
Ω
0.5VDD
0.5VDD
0.5VDD
15 k
Ω
15 k
Ω
20 k
Ω
20 k
Ω
SLAVE
12 OUT1
+
19 OUT1
−
2 OUT2
+
9 OUT2
−
MODE 5
HPS 4
STANDBY/MUTE
AND OPERATING
GAIN
SELECTION
14
GAINSEL
1, 10, 11, 20
GND1 to GND4
MGM608
1998 Jun 02
Fig.1 Block diagram.
4
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