AN10436 PHILIPS [NXP Semiconductors], AN10436 Datasheet - Page 46

• Manufacturer Part Number: AN10436
• Description: TDA8932B/33(B) Class-D audio amplifier
• Manufacturer: PHILIPS [NXP Semiconductors]

NXP Semiconductors
AN10436_1
Application note
Fig 43. THD+N as a function of frequency
Fig 45. Gain as a function of frequency
THD N
(dB)
G
(%)
10
10
10
v
V
(1) = 10 W
(2) = 1 W
V
(1) 2 × 4 Ω SE @ V
(2) 2 × 8 Ω SE @ V
10
40
30
20
10
10
P
i
= 100 mV
1
2
1
2
3
10
= 22 V, 2 × 4 Ω SE
10
(2)
(1)
(1)
(2)
RMS
10
10
2
, R
2
i
P
P
= 0 Ω, C
= 22 V
= 30 V
10
10
3
3
SE
= 1000 μF
10
10
4
4
001aad776
f
i
001aad774
f
i
(Hz)
(Hz)
Rev. 01 — 12 December 2007
10
10
5
5
Fig 44. THD+N as a function of frequency
Fig 46. SVRR as a function of frequency
THD N
SVRR
(dB)
(%)
10
10
10
V
(1) = 10 W
(2) = 1 W
100
V
R
(1) = 2 × 4 Ω SE @ V
(2) = 2 × 8 Ω SE @ V
10
20
40
60
80
P
ripple
10
i
0
1
= 0 Ω
2
1
2
3
= 30 V, 2 × 8 Ω SE
10
10
TDA8932B/33(B) Class-D audio amplifier
(2)
(1)
(1)
(2)
= 500 mV
10
10
RMS
2
2
w.r.t. GND, shorted input
P
P
= 22 V
= 30 V
10
10
3
3
AN10436
© NXP B.V. 2007. All rights reserved.
10
10
4
4
001aad777
f
001aad775
f
i
i
(Hz)
(Hz)
10
10
5
5
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