TDA8552 Philips Semiconductors, TDA8552 Datasheet - Page 4

• Manufacturer Part Number: TDA8552
• Description: 2 x 1.4 W BTL audio amplifiers with digital volume control and headphone sensing
• Manufacturer: Philips Semiconductors

Philips Semiconductors
BLOCK DIAGRAM
1998 Jun 02
handbook, full pagewidth
2
volume control and headphone sensing
1.4 W BTL audio amplifiers with digital
UP/DOWN1
UP/DOWN2
MODE
SVR
HPS
IN1 17
IN2
16
15
6
7
5
4
AND OPERATING
STANDBY/MUTE
k
0.5V DD
k
0.5V DD
20
20
INTERFACE
INTERFACE
COUNTER
COUNTER
UP/DOWN
UP/DOWN
up
up
VOLUME
CONTROL
VOLUME
CONTROL
down
down
V DD
V DD
Fig.1 Block diagram.
15 k
15 k
15 k
15 k
0.5V DD
0.5V DD
20 dB
30 dB
20 dB
30 dB
4
0.5V DD
0.5V DD
SELECTION
0.5V DD
1.6 k
0.5V DD
3.4 k
3.4 k
1.6 k
GAIN
GAINSEL
TDA8552T
14
3
V DD1
MASTER
MASTER
SLAVE
SLAVE
15 k
20 k
20 k
15 k
20 k
20 k
8
V DD2
TDA8552T; TDA8552TS
13
V DD3
1, 10, 11, 20
GND1 to GND4
18
V DD4
Preliminary specification
12
19
2
9
OUT1
OUT1
OUT2
OUT2
MGM608