TDA8551_T_15 Datasheet, PDF (3/18 Pages) NXP Semiconductors – 1 W BTL audio amplifier with digital volume control

NXP Semiconductors
1 W BTL audio amplifier with digital volume
control
BLOCK DIAGRAM
Product specification
TDA8551
handbook, full pagewidth
UP/DOWN
1
INTERFACE
up
down
UP/DOWN
COUNTER
VP
6
TDA8551
IN
4 _VOLUME
CONTROL
VP
MASTER
8
20 kΩ
OUT+
3
SVR
STANDBY/
MUTE/
OPERATING
2
MODE
15 kΩ
5 kΩ
R
R
15 kΩ
7
GND
5
OUT−
SLAVE
MGK363
Fig.1 Block diagram.
PINNING
SYMBOL
UP/DOWN
MODE
SVR
IN
OUT−
V_P
GND
OUT+
PIN
DESCRIPTION
1 digital trinary input for volume
control
2 digital trinary input for mode
selection (standby, mute, operating)
3 half supply voltage, decoupling
ripple rejection
4 audio input
5 negative loudspeaker output
terminal
6 supply voltage
7 ground
8 positive loudspeaker output
terminal
handbook, halfpage
UP/DOWN 1
8 OUT+
MODE 2
SVR 3
IN 4
TDA8551
7 GND
6 VP
5 OUT−
MGK362
Fig.2 Pin configuration.
1998 Feb 23
3