TFA9812HN PHILIPS [NXP Semiconductors], TFA9812HN Datasheet - Page 60
TFA9812HN
Manufacturer Part Number
TFA9812HN
Description
BTL stereo Class-D audio amplifier with I2S input
Manufacturer
PHILIPS [NXP Semiconductors]
Datasheet
1.TFA9812HN.pdf
(66 pages)
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NXP Semiconductors
TFA9812_2
Preliminary data sheet
Fig 25. Power dissipation as a function of output
Fig 27. Channel separation as a function of frequency
(W)
(1) R
(2) R
(1) R
(2) R
P
3
2
1
0
10
V
power
V
P
P
2
L
L
L
L
= 12 V; f
= 2
= 2
= 12 V; P
= 2
= 2
6
8
6
8
10
i
O
= 1 kHz; Power dissipation in junction only
1
= 1 W
1
(1)
(dB)
cs
100
20
40
60
80
(2)
P
10
0
o
10
(W/channel)
010aaa496
Rev. 02 — 22 January 2009
10
10
2
2
10
(1)
(2)
3
Fig 26. Efficiency as a function of output power
BTL stereo Class-D audio amplifier with I
(%)
PO
(1) R
(2) R
100
80
60
40
20
10
0
0
V
4
P
L
L
010aaa498
f (Hz)
= 2
= 2
= 12 V; f
2
6
8
10
5
i
= 1 kHz;
(2)
(1)
4
po
= (2
6
P
o
) / (2
P
© NXP B.V. 2009. All rights reserved.
TFA9812
8
o
010aaa497
(W/channel)
P
o
10
+ P
2
d
S input
)
60 of 66
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