STEVAL-CCA016V1 Datasheet, PDF (2/5 Pages) STMicroelectronics – Filter-free stereo 2.8 W Class-D audio power amplifier demo board with selectable 3D sound effects based on the TS4999

Circuit schematic and BOM list
1
Circuit schematic and BOM list
Figure 1. Schematic diagram
STEVAL-CCA016V1
C1
220nF
C2
220nF
3 ^S1
2
VCC
1
G0
3 ^S2
2
VCC
1
G1
C3
220nF
C4
220nF
Vcc
P1 Vcc
1
2
VCC
S5
3D
Vcc
C5
C6
C7
100nF
1uF
1uF
U1
LinP
A1 Lin+
Gain
LinN
B2 Lin- Select
AVCC
RPVCC
PWM
LPVC C
Lout+ A5
H
Bridge ^{Lout- A7}
G0 C3 G0
G1 C5 G1
Osci llator
RinP
RinN
E1 Rin+
D2 Rin-
Gain
Select
STBL A3 STBYL
STBR E3 STBYR
Standby
Control
S3
STBL
S4
TS4999 - FC18
STBR
PWM
Protection
Circuit
AGND
Rout+ E5
H
Bridge ^{Rout- E7}
PGND
VCC
VCC
JP3
1
2
3
4
Header 4
JP4
1
2
3
4
Header 4
Table 1. Components list for the demonstration board
Designation
Quantity
Description
C1, C2, C3, C4
4
220 nF/16 V, SMD ceramic capacitor, 0603
C5
1
100 nF/16 V, SMD ceramic capacitor, 0603
C6, C7
P1
1
1 µF/16 V, SMD ceramic capacitor, 0603
1
2-pin header 2.54 mm pitch
S1, S2, S3, S4, S5
5
3-pin header 2.54 mm pitch
JP1, JP2, JP3, JP4
4
4-pin header 2.54 mm pitch
U1
1
TS4999 class-D audio amplifier
2/5
Doc ID 15864 Rev 1