TDF8590TH NXP Semiconductors, TDF8590TH Datasheet - Page 26

• Manufacturer Part Number: TDF8590TH
• Description: The TDF8590TH is a high-efficiency class-D audio power amplifier with low powerdissipation for application in car audio systems
• Manufacturer: NXP Semiconductors

NXP Semiconductors
TDF8590TH_2
Product data sheet
Fig 23. Efficiency as a function of output power
Fig 24. Power dissipation as a function of output power
(1) V
(2) V
(1) V
(2) V
(%)
(W)
a. SE application
a. SE application
P
100
80
60
40
20
30
20
10
0
0
f = 1 kHz.
f = 1 kHz.
0
0
P
P
P
P
= 27 V; R
= 18 V; R
= 18 V; R
= 27 V; R
20
20
L
L
L
L
= 4 .
= 2 .
= 2 .
= 4 .
40
40
(1)
(2)
(1)
(2)
60
60
80
80
001aad865
001aad864
P
P
o
o
(W)
(W)
100
100
Rev. 02 — 23 April 2007
2
80 W SE (4 ) or 1
(1) V
(2) V
(1) V
(2) V
(W)
(%)
b. BTL application
b. BTL application
P
100
80
60
40
20
40
30
20
10
0
0
f = 1 kHz.
f = 1 kHz.
0
0
P
P
P
P
= 27 V; R
= 18 V; R
= 18 V; R
= 27 V; R
40
40
L
L
L
L
160 W BTL (8 ) class-D amplifier
= 8 .
= 4 .
= 4 .
= 8 .
80
80
(1)
(2)
(1)
(2)
120
120
TDF8590TH
© NXP B.V. 2007. All rights reserved.
160
160
001aad867
001aad866
P
P
o
o
(W)
(W)
200
200
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