TDA8929T Datasheet, PDF (5/36 Pages) NXP Semiconductors – Controller class-D audio amplifier

Philips Semiconductors
Controller class-D audio amplifier
6 BLOCK DIAGRAM
Preliminary specification
TDA8929T
handbook, full pagewidth
VSS1 VDD1
1
3
IN1−
IN1+
SGND1
4
V/ I
5
2
mute
SGND
SGND
R _fb
WINDOW
COMPARATOR
20
PWM1
21
EN1
24
SW1
23
REL1
7
OSC
OSCILLATOR
6
MODE
MODE
SGND2
IN2+
IN2−
SGND
SGND
11
mute
8
V/ I
9
12
10
VSS2(sub) VDD2
SGND
mute MANAGER
SGND
19
STABILIZER
STAB
15
DIAGTMP
22
DIAGCUR
TDA8929T
16
EN2
WINDOW
COMPARATOR
R _fb
18
VSSD
13
SW2
14
REL2
17
PWM2
MGW148
2001 Dec 11
Fig.1 Block diagram.
5