5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
TPA2008D2 P2P BA20550 (TSSOP24)
The volume control.
The gain range is
from -38db (Vvolume=0V~0.33V)
to +20db (Vvolume=3.7V~VDD)
with 31 steps precise control.
Speaker wire length less than 8000mils , It don't need LC Filter.
SPKOUTR+,R-,L+,L- Trace width 40mils, Via hole --> C40D20.
Gain Value Adjust
20 mil
for Volume Adjust
AMP FOR INTERNAL SPEAKER
MLCC Comm part
MLCC Comm part
MLCC Comm part MLCC Comm part20180502 Modify
20 mil
D02 1018 adjust volume
D02 1018 adjust volume
D02 1018 adjust volume
XAUDG
XAUDG
XAUDG
XAUDG
XAMP_5VS
X5VS
X5VS
XAUDGXAUDG
XAUDGXAUDG
XAUDG
XAUDG
XAUDG
XAUDG
XAUDG
XFRONT_L86,88
XFRONT_R86,88
X5VS86
XAMP_EN_SPK86,89
XROUTP 91
XROUTN 91
XLOUTP 91
XLOUTN 91
Title
Size Document Number Rev
Date: Sheet
of
6-71-PB50V-D03
D03
[87] CR BD AMP TPA2008D2_X
A4
87
91Friday, December 07, 2018
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
PB50EF
Title
Size Document Number Rev
Date: Sheet
of
6-71-PB50V-D03
D03
[87] CR BD AMP TPA2008D2_X
A4
87
91Friday, December 07, 2018
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
PB50EF
Title
Size Document Number Rev
Date: Sheet
of
6-71-PB50V-D03
D03
[87] CR BD AMP TPA2008D2_X
A4
87
91Friday, December 07, 2018
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
PB50EF
XC92 2.2u_6.3V_X5R_04
CR BD N AMP
XC57 0_04
CR BD N AMP
XC93 0.1u_25V_X5R_04
CR BD N AMP
XC94 0_04
CR BD N AMP
XR45
120K_04
CR BD N AMP
XR66 33K_1%_04
CR BD N AMP
XR46 *1K_04
CR BD N AMP
XC54
220p_50V_NPO_04
CR BD N AMP
XC56 0.1u_25V_X5R_04
CR BD N AMP
XC98
22u_6.3V_X5R_06
CR BD N AMP
XL15
HCB1608KF-121T30
CR BD N AMP
XR63 5.9K_1%_04
CR BD N AMP
XR64 10K_1%_04
CR BD N AMP
XR65 *1K_04
CR BD N AMP
XR47 33K_1%_04
CR BD N AMP
XC55
0.1u_6.3V_X5R_02
CR BD N AMP
XU4
TPA2008D2
CR BD N AMP
LINN
1
LINP
2
SHUTDOWN
3
PVDDL2
4
LOUTP
5
PGNDL1
6
PGNDL2
7
LOUTN
8
PVDDL1
9
COSC
10
ROSC
11
AGND
12
VDD
13
VOLUME
14
NC
15
PVDDR2
16
ROUTN
17
PGNDR1
18
PGNDR2
19
ROUTP
20
PVDDR1
21
BYPASS
22
RINP
23
RINN
24
Thermal_Pad
25
XC91
0.1u_6.3V_X5R_02
CR BD N AMP
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