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TDA8924 Datasheet, PDF (23/35 Pages) NXP Semiconductors – 2 x 120 W class-D power amplifier
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Philips Semiconductors
2 × 120 W class-D power amplifier
Objective specification
TDA8924
handbook1, 0h2alfpage
THD + N
(%)
10
MDB543
1
10−1
(1)
(2)
10−2
(3)
10−3
10−2
10−1
1
10
102
103
Po (W)
1 × 4 Ω BTL; VP = ±24 V.
(1) fi = 10 kHz.
(2) fi = 1 kHz.
(3) fi = 100 Hz.
Fig.13 THD + N as a function of output power.
102
handbook, halfpage
THD + N
(%)
10
MDB544
1
10−1
(1)
(2)
10−2
10−3
10
102
103
104
105
fi (Hz)
1 × 4 Ω BTL; VP = ±24 V.
(1) Po = 10 W.
(2) Po = 1 W.
Fig.14 THD + N as a function of input frequency.
50
handbook, halfpage
Pdiss
(W)
40
30
20
MDB546
(1)
(2)
(3)
(4)
10
0
10−2
10−1
1
10
1 × 2 Ω SE; dissipation per channel.
(1) VP = ±25 V.
(2) VP = ±24 V.
(3) VP = ±22 V.
(4) VP = ±20 V.
102
103
Po (W)
Fig.15 Total power dissipation as function of output
power.
handbook,6h0alfpage
Pdiss
(W)
40
20
MDB548
(1)
(2)
(3)
0
10−2
10−1
1
1 × 4 Ω BTL.
(1) VP = ±25 V.
(2) VP = ±24 V.
(3) VP = ±20 V.
10
102
103
Po (W)
Fig.16 Total power dissipation as function of output
power.
2003 Jul 28
23
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