tda8552t NXP Semiconductors, tda8552t Datasheet - Page 4

• Manufacturer Part Number: tda8552t
• Description: 2 X 1.4 W Btl Audio Amplifiers With Digital Volume Control And Headphone Sensing
• Manufacturer: NXP Semiconductors

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Philips Semiconductors
BLOCK DIAGRAM
2002 Jan 04
2 x 1.4 W BTL audio amplifiers with digital
volume control and headphone sensing
UP/DOWN1
UP/DOWN2
MODE
SVR
HPS
IN1 17
IN2
16
15
5
4
6
7
AND OPERATING
STANDBY/MUTE
k
k
20
0.5V DD
20
0.5V DD
INTERFACE
INTERFACE
UP/DOWN
COUNTER
UP/DOWN
COUNTER
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
0.5V DD
0.5V DD
4
SELECTION
0.5V DD
0.5V DD
3.4 k
1.6 k
3.4 k
1.6 k
GAIN
GAINSEL
TDA8552T
14
V DD1
3
MASTER
MASTER
SLAVE
SLAVE
15 k
20 k
20 k
15 k
20 k
20 k
8
V DD2
TDA8552T; TDA8552TS
13
V DD3
GND1 to GND4
1, 10, 11, 20
18
V DD4
12
19
2
9
Product specification
OUT1
OUT1
OUT2
OUT2
MGM608