TFA9812HN PHILIPS [NXP Semiconductors], TFA9812HN Datasheet - Page 58

• Manufacturer Part Number: TFA9812HN
• Description: BTL stereo Class-D audio amplifier with I2S input
• Manufacturer: PHILIPS [NXP Semiconductors]

NXP Semiconductors
TFA9812_2
Preliminary data sheet
Fig 21. SVRR as a function of frequency
Fig 23. Output power as a function of time
(W/chan.)
SVRR
(dB)
P
(1) R
(2) R
(1) T
(2) T
(3) T
o
a. V
100
20
40
60
80
25
20
15
10
0
5
0
10
0
V
No input signal
P
act(th_fold)
act(th_fold)
act(th_fold)
L
L
P
= 12 V; V
= 8
= 6
= 15 V; R
120
10
= 125 C
= 105 C
= 90 C
(1)
(2)
(3)
2
ripple
L
= 2
240
= 500 mV (RMS) reference to ground;
10
6
3
360
BTL; f
10
(1)
(2)
i
4
480
= 1 kHz
010aaa488
010aaa490
f
time (s)
i
(Hz)
Rev. 02 — 22 January 2009
600
10
5
Fig 22. S/N ratio as a function of output power
(W/chan.)
BTL stereo Class-D audio amplifier with I
(dB)
P
S/N
(1) R
(2) R
o
100
b. V
90
80
70
60
50
25
20
15
10
5
0
10
V
0
2
P
L
L
P
= 2
= 2
= 15 V; 20 kHz AES17 filter
= 20 V; R
120
(1)
(2)
(3)
8
6
10
1
L
= 2
240
8
1
(1)
(2)
360
BTL; f
P
10
o
i
© NXP B.V. 2009. All rights reserved.
TFA9812
480
= 1 kHz
(W/channel)
010aaa489
010aaa491
time (s)
10
600
2
2
S input
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