14 printed-circuit board layout, 15 response curves for low input mode, Tda8559t – Philips TDA8559T User Manual
Page 22: Philips semiconductors, Low-voltage stereo headphone amplifier
TDA8559_3
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Product data sheets
Rev. 03 — 15 May 2006
22 of 36
Philips Semiconductors
TDA8559T
Low-voltage stereo headphone amplifier
13.14 Printed-circuit board layout
The Printed-Circuit Board (PCB) layout supports all applications as illustrated in
to
. The PCB layout has been assembled for input configuration as shown in
, and output and supply configuration as shown in
for a maximum supply
voltage of 6 V.
13.15 Response curves for low input mode
Top view component side.
Fig 15. Printed-circuit board layout
001aae801
100
µ
F
22
µ
F
220
µ
F
220
µ
F
MUTE
TDA8559T
INP2
Out2
Out1
D&A AUDIO POWER
QC - NIJMEGEN
HR
TDA8559T
Buf.
INP1
+Vp
Std.
by
220 nF
5.1 k
Ω
Inp.
mode
1
8
9
220 nF
100 nF
5.1 k
Ω
(1) High mode.
(2) Low mode.
Fig 16. I
q
as a function of V
P
(stereo headphone)
Fig 17. V
P1
as a function of V
P2
(stereo headphone)
0
20
10
0
2
4
6
8
I
q
(mA)
4
8
V
P
(V)
12
16
mda089
(2)
(1)
20
0
10
30
0
20
4
8
V
P1
(V)
V
P2
(V)
12
16
mda090