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2004 May 05 14
Philips Semiconductors Preliminary specification
Power stage 2 x 10 or 1 x 20 W class-D
audio amplifier
TDA8928J
15.4.1 PRINTED-CIRCUIT BOARD
The printed-circuit board dimensions are 8.636 × 5.842 cm; single-sided copper of 35 µm; silk screen on both sides;
79 holes; 94 components (32 resistors and 41 capacitors).
handbook, full pagewidth
MDB615
Bottom silk
C37R15
C45
C36
R33
R34
R3
C19
C50
C17
C40
C41
R8
R16
IN2 IN1
Q1
C38
R25
Q2
C2
C12 C13
V
DD
R28
R14
R13
R29
C11
C10
R26
R24
pin 1
R30 C28
R11
R12
R2
R31
C25
C24
C8
C9
C26
C31
C26
C31
C26
C30
R9
R35
R32
R1
GND
22 V
OUT1
R23
C35
R22
C34
OUT2
C1
C16
R4
C22
C21
R6
R10
R17
R7
R5
U2
++−−
C37R15
R19
R21
R19
R21
Fig.6 Printed-circuit board (bottom silk) layout for TDA8928J.
handbook, full pagewidth
MDB617
Bottom copper
Fig.7 Printed-circuit board (bottom copper) layout for TDA8928J.