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 %, RL = 25 .

(2) THD = 0.5 %, RL = 25 Ω.

(1) RL = 25 .

(2) RL = 32

Fig 30. Po as a function of supply voltage (BTL mono) Fig 31. Total worst case power dissipation as a

function of supply voltage (BTL mono)

04 12
1
0.75
0.25
0
0.5
8VP (V)
Po
(W)
mda133
(2) (1)
04 VP (V)
P
(W)
812
1.6
1.2
0.4
0
0.8
mda134
(2) (1)

(1) RL = 32 , THD = 10 %.

(2) RL = 32 , THD = 0.5 %.

(1) RL = 25 .

(2) RL = 32 .

Fig 32. Po as a function of VP (SE) (BTL mono) Fig 33. Total worst case power dissipation as a

function of supply voltage (SE) (stereo

headphone)
048 VP (V)
Po
(W)
16
0
0.8
12
0.6
0.4
0.2
mda119
(2) (1)
048 VP (V)
P
(W)
16
2
0
1.6
12
1.2
0.8
0.4
mda120
(2) (1)