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TDA8559_3 © Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Product data sheets Rev. 03 — 15 May 2006 28 of 36
Philips Semiconductors
TDA8559T
Low-voltage stereo headphone amplifier
(1) V
P
= 12 V, R
L
= 1 kΩ.
(2) V
P
= 18 V, R
L
= 1 kΩ.
V
P
= 12 V, V
o
= 1 V.
Fig 38. THD as a function of V
o
(stereo line driver) Fig 39. THD as a function of frequency (stereo line
driver)
10
2
10
1
V
o
(V)
THD
(%)
10
−1
10
−2
mda125
10
−2
10
−1
110
(2)
(1)
1
THD
(%)
f (Hz)
10
−1
10
−2
mda126
10 10
2
10
3
10
4
10
5
V
P
= 12 V, V
i
= 20 mV. V
P
= 12 V, R
s
= 0 Ω, V
r
= 0.2 V (RMS).
Fig 40. Channel separation as a function of frequency
(stereo line driver)
Fig 41. SVRR as a function of frequency (stereo line
driver)
−80
−60
−40
−20
0
mda127
10
α
(dB)
f (Hz)
10
2
10
3
10
4
10
5
−80
−60
−40
−20
0
mda128
10
f (Hz)
SVRR
(dB)
10
2
10
3
10
4
10
5