AN10436 PHILIPS [NXP Semiconductors], AN10436 Datasheet - Page 48
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AN10436
Manufacturer Part Number
AN10436
Description
TDA8932B/33(B) Class-D audio amplifier
Manufacturer
PHILIPS [NXP Semiconductors]
Datasheet
1.AN10436.pdf
(55 pages)
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NXP Semiconductors
Table 10.
AN10436_1
Application note
Symbol
V
P
THD+N
η
po
P
o(RMS)
Performance figures
Parameter
supply voltage
RMS output power
total harmonic
distortion-plus-noise
output power efficiency
5.2.1 Performance figures BTL
5.2 Audio characterization BTL
Table 10
board (55 mm × 45 mm) configured in BTL configuration.
V
otherwise.
Fig 51. Maximum output power as a function of supply voltage
P
= 22 V, R
f
(1) 2 × 4 Ω SE @ THD+N = 10 %
(2) 2 × 4 Ω SE @ THD+N = 0.5 %
(3) 2 × 8 Ω SE @ THD+N = 10 %
(4) 2 × 8 Ω SE @ THD+N = 0.5 %
shows the measured performance figures of the TDA8932BT two layer reference
i
= 1 kHz
Conditions/notes
operates up to OVP threshold level
THD+N = 0.5 %
R
P
P
P
operates down to UVP threshold level;
R
L
o
o
o
L
L
= 8 Ω BTL, f
THD+N = 10 %
THD+N = 10 %
THD+N = 0.5 %
R
R
= 1 W, AES17 brick wall filter 20 kHz
= 15 W, V
= 30 W, V
= 8 Ω
= 4 Ω; V
L
L
= 8 Ω
= 4 Ω, VP = 12 V
Rev. 01 — 12 December 2007
(W/channel)
P
P
P
= 12 V
P
= 22 V, R
= 12 V, R
osc
o
32
24
16
8
0
10
= 320 kHz, f
L
L
14
= 8 Ω
= 4 Ω
18
i
= 1 kHz, T
22
TDA8932B/33(B) Class-D audio amplifier
26
amb
(3)
(4)
(1)
(2)
30
Min
10
-
-
-
-
-
-
-
-
-
-
-
= 25 °C unless specified
[1]
001aaf886
34
V
Typ
-
-
32.1
25.7
-
17.2
13.2
-
0.007
0.02
90
92
P
(V)
38
AN10436
© NXP B.V. 2007. All rights reserved.
Max Unit
36
-
-
-
-
-
-
-
-
-
-
-
[1]
V
-
W
W
-
W
W
-
%
%
%
%
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