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TDA8559 Datasheet, PDF (22/32 Pages) NXP Semiconductors – Low-voltage stereo headphone amplifier
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Philips Semiconductors
Low-voltage stereo headphone amplifier
Product specification
TDA8559
Response curves for high input mode
0.8
handbook, halfpage
Po
(W)
0.6
MDA119
0.4
(1)
(2)
0.2
0
0
4
8
12
16
VP (V)
(1) RL = 32 Ω, THD = 10%.
(2) RL = 32 Ω, THD = 0.5%.
Fig.31 Po as a function of VP (SE) (stereo
headphone).
handbook, h2alfpage
P
(W)
1.6
1.2
MDA120
(1)
(2)
0.8
0.4
0
0
4
(1) RL = 25 Ω.
(2) RL = 32 Ω.
8
12
16
VP (V)
Fig.32 Total worst case power dissipation as a
function of supply voltage (SE) (stereo
headphone).
102
handbook, halfpage
THD
(%)
10
1
10−1
MDA121
1
handbook, halfpage
THD
(%)
(1)
10−1
(2)
MDA122
10−2
10−3
10−2
10−1
1
Po (W)
VP = 10 V, RL = 32 Ω, f = 1 kHz
Fig.33 THD as a function of Po (stereo headphone).
10−2
10
102
103
104
105
f (Hz)
VP = 10 V, RL = 32.
(1) Po = 100 mW.
(2) Po = 50 mW.
Fig.34 THD as a function of frequency (stereo
headphone).
1997 Jun 27
22
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