TFA9815 NXP Semiconductors, TFA9815 Datasheet - Page 19

• Manufacturer Part Number: TFA9815
• Description: The TFA9815 is a 2-channel power comparator for high-efficiency class D audio amplifiersystems
• Manufacturer: NXP Semiconductors

NXP Semiconductors
TFA9815_1
Preliminary data sheet
13.7 Typical application diagram TFA9815
A typical application diagram with the TFA9815 supplied from an asymmetrical supply is
shown in
Fig 10. Total harmonic distortion + noise as a function of frequency
Fig 11. Total harmonic distortion as a function of output power
THD+N
THD+N
(%)
(%)
10
10
10
10
10
10
10
10
10
V
(1) P
(2) P
10
V
(1) 6 kHz
(2) 1 kHz
(3) 100 Hz
Figure
1
1
2
1
2
3
2
1
2
3
10
P
P
10
= 12 V; R
= 12 V; R
2
o
o
= 1 W
= 10 W
12.
L
L
1
2
= 4
= 4 ; f = 1 kHz
Rev. 01 — 16 December 2008
10
10
2
1
1
3
2
10
1
3
10
10
4
Audio amplifier 2 x 17 W
P
f
i
o
(Hz)
(W)
010aaa452
010aaa453
© NXP B.V. 2008. All rights reserved.
TFA9815
10
10
2
5
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