TDA8929T Datasheet, PDF (18/36 Pages) NXP Semiconductors – Controller class-D audio amplifier

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VSS
100 nF
47 µF
VDD
Vi _(L)
VSS1 VDD1
1
3
R _fb
220 nF
IN1− ₄
IN1+ 5
220 nF
SGND1 ₂
V/ I
mute
WINDOW
COMPARATOR
20 PWM1
21 EN1
V
24 SW1
100 nF
VSS
30 kΩ
SGND
SGND
OSC 7
OSCILLATOR
SGND
23 REL1
19 STAB
STABILIZER
V
100 nF
MODE 6
MODE
mute
VMODE
SGND
220 nF
SGND
SGND
SGND2 11
mute
IN2+ ₈
Vi _(R)
V/ I
IN2− 9
220 nF
12
VSS2(sub)
R _fb
10
VDD2
VSS
47 µF
100 nF
VDD
MANAGER
15 DIAGTMP
22 DIAGCUR
SGND
TDA8929T
16 EN2
V
13 SW2
WINDOW
COMPARATOR
18
VSSD
VSS
14 REL2
17 PWM2
VDD
LEVEL SHIFTER
0/12 V −30 V/+30 V
PWM
30 kHz
LOW-PASS
audio left
audio
analyzer
V
VSS
SGND
VSS
VDD
Vp
SGND
Vp
VSS
VDD
LEVEL SHIFTER
0/12 V −30 V/+30 V
PWM
30 kHz
LOW-PASS
audio right
audio
analyzer
V
VSS
SGND
MGW153
Fig.10 Test diagram.