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TDA8559_3 © Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Product data sheets Rev. 03 — 15 May 2006 24 of 36
Philips Semiconductors
TDA8559T
Low-voltage stereo headphone amplifier
V
P
= 3 V, V
i
= 20 mV. V
P
= 3 V, V
i
= 20 mV.
Fig 22. Channel separation as a function of frequency
(stereo headphone)
Fig 23. Channel unbalance as a function of frequency
(stereo headphone)
−80
−60
−40
−20
0
mda095
10
α
cs
(dB)
f (Hz)
10
2
10
3
10
4
10
5
−1
−0.5
0
0.5
1
mda096
10
f (Hz)
∆Gr
(dB)
10
2
10
3
10
4
10
5
V
P
= 3 V, R
s
= 0 Ω, V
r
= 0.2 V (RMS). (1) R
L
= 32 Ω, THD = 10 %.
(2) R
L
= 32 Ω, THD = 0.5 %.
Fig 24. SVRR as a function of frequency (stereo
headphone)
Fig 25. P
o
as a function of V
P
(stereo headphone)
−80
−60
−40
−20
0
mda097
10
f (Hz)
SVRR
(dB)
10
2
10
3
10
4
10
5
04 12
0.4
0.3
0.1
0
0.2
8
V
P
(V)
P
o
(W)
mda098
(2)
(1)