HTSSOP32 Просмотр технического описания (PDF) - NXP Semiconductors.
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HTSSOP32 Datasheet PDF : 48 Pages
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NXP Semiconductors
TDA8932B
Class-D audio amplifier
32
Po
(W/channel)
24
16
8
001aaf886
(1)
(2)
(3)
(4)
6
P
(W)
4
2
001aaf889
(1)
(2)
0
10 14 18 22 26 30 34 38
VP (V)
fi = 1 kHz (short time PO); dashed line will require heat
sink for continuous time output power
(1) RL = 2 × 4 Ω; THD+N = 10 %
(2) RL = 2 × 4 Ω; THD+N = 0.5 %
(3) RL = 2 × 8 Ω; THD+N = 10 %
(4) RL = 2 × 8 Ω; THD+N = 0.5 %
Fig 19. Output power per channel as a function of
supply voltage
0
10 14 18 22 26 30 34 38
VP (V)
fi = 1 kHz; power dissipation in junction only; short time
Po at THD+N = 10 %; dashed line will require heat sink
for continuous time output power
(1) RL = 2 × 4 Ω
(2) RL = 2 × 8 Ω
Fig 20. Power dissipation as a function of supply
voltage
100
ηpo
(%)
80
001aad780
(2)
(1)
60
40
20
0
0
5
10
15
20
Po (W/channel)
fi = 1 kHz; ηPO = -2----×2-----P×----o-P--+--o----p-
(1) VP = 22 V; RL = 2 × 4 Ω
(2) VP = 30 V; RL = 2 × 8 Ω
Fig 21. Output power efficiency as a function of
output power per channel
3.0
P
(W)
2.0
(2)
(1)
1.0
001aad781
0
10−2
10−1
1
10
102
Po (W/channel)
fi = 1 kHz; power dissipation in junction only
(1) VP = 22 V; RL = 2 × 4 Ω
(2) VP = 30 V; RL = 2 × 8 Ω
Fig 22. Power dissipation as a function of output
power per channel (two channels driven)
TDA8932B_4
Product data sheet
Rev. 04 — 18 December 2008
© NXP B.V. 2008. All rights reserved.
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