TDA8559_3
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Product data sheets
Rev. 03 — 15 May 2006
26 of 36
Philips Semiconductors
TDA8559T
Low-voltage stereo headphone amplifier
13.16 Response curves for high input mode
(1) THD = 10 %, R
L
= 25
Ω
.
(2) THD = 0.5 %, R
L
= 25
Ω.
(1) R
L
= 25
Ω
.
(2) R
L
= 32
Ω
Fig 30. P
o
as a function of supply voltage (BTL mono)
Fig 31. Total worst case power dissipation as a
function of supply voltage (BTL mono)
0
4
12
1
0.75
0.25
0
0.5
8
V
P
(V)
P
o
(W)
mda133
(2)
(1)
0
4
V
P
(V)
P
(W)
8
12
1.6
1.2
0.4
0
0.8
mda134
(2)
(1)
(1) R
L
= 32
Ω
, THD = 10 %.
(2) R
L
= 32
Ω
, THD = 0.5 %.
(1) R
L
= 25
Ω
.
(2) R
L
= 32
Ω
.
Fig 32. P
o
as a function of V
P
(SE) (BTL mono)
Fig 33. Total worst case power dissipation as a
function of supply voltage (SE) (stereo
headphone)
0
4
8
V
P
(V)
P
o
(W)
16
0
0.8
12
0.6
0.4
0.2
mda119
(2)
(1)
0
4
8
V
P
(V)
P
(W)
16
2
0
1.6
12
1.2
0.8
0.4
mda120
(2)
(1)
