tda8924 NXP Semiconductors, tda8924 Datasheet - Page 25

• Manufacturer Part Number: tda8924
• Description: 2 X 120 W Class-d Power Amplifier
• Manufacturer: NXP Semiconductors

Philips Semiconductors
2003 Jul 28
handbook, halfpage
handbook, halfpage
2
2
(1) P
(2) P
Fig.21 Channel separation as a function of input
1
(1)
(2)
(3)
(%)
Fig.23 Efficiency as a function of output power.
(dB)
100
100
2
4
cs
20
40
60
80
80
60
40
20
V
V
V
o
o
0
0
120 W class-D power amplifier
P
P
P
= 10 W.
= 1 W.
10
SE; V
0
BTL; 2
= 20 V.
= 24 V.
= 25 V.
frequency.
P
= 24 V.
10 H; 2
10
2
100
1 F.
10
3
200
10
4
P o (W)
f i (Hz)
(2)
(1)
MDB549
MDB545
(1)
(2)
(3)
300
10
5
25
handbook, halfpage
handbook, halfpage
V
(1) 1
(2) 2
(3) 2
V
(1) 1
(2) 2
(3) 2
(dB)
(dB)
i
i
G v
G v
= 100 mV; R
= 100 mV; R
Fig.22 Gain as a function of input frequency.
Fig.24 Gain as a function of input frequency.
45
40
35
30
25
20
45
40
35
30
25
20
10
10
8
8
4
8
8
4
BTL; V
SE; V
SE; V
BTL; V
SE; V
SE; V
s
s
= 5.6 k C
= 0.
p
p
p
p
p
p
= 20 V.
= 15 V.
= 20 V.
= 15 V.
10
10
= 15 V.
= 15 V.
2
2
i
= 330pF.
10
10
3
3
Objective specification
10
10
(1)
(2)
(3)
(2)
(3)
(1)
4
4
TDA8924
f i (Hz)
f i (Hz)
MDB556
MDB557
10
10
5
5