AN10436 PHILIPS [NXP Semiconductors], AN10436 Datasheet - Page 53

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

NXP Semiconductors
AN10436_1
Application note
Fig 64. BTL output power as a function of time
Fig 66. 150 kHz to 30 MHz
DL
50.0
dB V
(W)
P
o
R
(55 mm × 45 mm) without heat sink.
(1) V
(2) V
(3) V
32
24
16
REF 80.0 dB W
START 150 kHz
RES BW 10 kHz
8
0
L
DISPLAY LINE
50.0 dB V
0
= 4 Ω; f
P
P
P
= 12 V
= 13.5 V
= 15 V
(3)
(2)
(1)
5.4 EMI characterization (FCC)
i
120
= 1 kHz; 2 layer SO32 application board
The TDA8932B/33(B) reference design can comply easily with the FCC radiated
emissions standards with 1 m of cable attached to all the I/Os. The spectrum analyzer is
set at MAX hold and the output power is 2 × 1/8 P
ATTEN 10 dB
240
VBW 10 kHz
360
STOP 30.00 MHz
480
SWP 750 msec
001aaf896
t (s)
BATTERY
Rev. 01 — 12 December 2007
010aaa102
600
Fig 65. BTL output power as a function of time
Fig 67. 30 MHz to 300 MHz
DL
50.0
dB V
(W)
P
o
R
(55 mm × 45 mm) without heat sink.
(1) V
(2) V
(3) VP = 29 V
60
50
40
30
20
10
REF 50.0 dB W
START 30 MHz
RES BW 100 kHz
0
L
DISPLAY LINE
50.0 dB V
= 8 Ω; f
0
P
P
TDA8932B/33(B) Class-D audio amplifier
(3)
= 22 V
= 26 V
(2)
(1)
rated
i
120
= 1 kHz; 2 layer SO32 application board
.
ATTEN 10 dB
240
VBW 30 kHz
360
AN10436
© NXP B.V. 2007. All rights reserved.
STOP 300.0 MHz
480
SWP 200 msec
001aaf899
t (s)
BATTERY
010aaa101
600
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