AN10436 PHILIPS [NXP Semiconductors], AN10436 Datasheet - Page 50

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

NXP Semiconductors
AN10436_1
Application note
Fig 54. THD+N as a function of frequency
Fig 56. Gain as a function of frequency
THD N
(dB)
G
(%)
10
10
10
v
V
(1) 10 W
(2) 1 W
V
(1) 4 Ω BTL @ V
(2) 8 Ω BTL @ V
10
40
30
20
10
10
P
i
1
= 100 mV
2
1
2
3
10
= 22 V, 8 Ω BTL
10
RMS
10
10
2
, R
(1)
(2)
2
P
P
= 12 V
= 22 V
i
= 0 Ω
10
10
3
3
10
10
4
4
001aae116
f
001aae114
i
f
(2)
i
(Hz)
(Hz)
Rev. 01 — 12 December 2007
(1)
10
10
5
5
Fig 55. THD+N as a function of frequency
Fig 57. SVRR as a function of frequency
THD N
SVRR
(dB)
(%)
10
10
10
V
(1) 10 W
(2) 1 W
100
V
input, R
(1) 4 Ω BTL @ V
(2) 8 Ω BTL @ V
10
20
40
60
80
10
P
ripple
0
1
2
1
2
3
= 12 V, 4 Ω BTL
10
10
TDA8932B/33(B) Class-D audio amplifier
= 500 mV
i
= 0 Ω
10
10
RMS
2
(1)
(2)
2
P
P
= 12 V
= 22 V
in relation to GND, shorted
10
10
3
3
(1)
(2)
AN10436
© NXP B.V. 2007. All rights reserved.
10
10
4
4
001aae117
001aae115
f
f
i
i
(Hz)
(Hz)
10
10
5
5
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