Philips TDA8559T - Manual (Page 28)

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 k Ω .
(2) V
P
= 18 V, R
L
= 1 k
Ω
.
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 1 10
(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