TFA9812HN PHILIPS [NXP Semiconductors], TFA9812HN Datasheet - Page 47

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

NXP Semiconductors
Table 56.
Unless specified otherwise, V
f
TFA9812_2
Preliminary data sheet
Symbol
Output power per channel
P
Performance
THD+N
S/N
V
SVRR
Power-up times and delay times
t
i
d(on)
= 1 kHz, f
cs
po
o(RMS)
n(o)
s
Parameter
total harmonic
distortion-plus-noise
signal-to-noise ratio
output noise voltage
channel separation
supply voltage ripple rejection
output power efficiency
turn-on delay time
AC characteristics
RMS output power
= 44.1 kHz, f
13.2 AC characteristics
sw
= 400 kHz, 24-bit I
DDA
= V
DDP
= 12 V, V
2
S input data, MCLK clock mode, typical application diagram
Condition
Continuous time output power per channel; THD = 1 %, R
Continuous time output power per channel; THD = 10 %, R
Short time ( 10 s) output power per channel; THD = 10 %, R
Continuous time output power per channel; THD = 1 %, R
Continuous time output power per channel; THD = 10 %, R
Short time ( 10 s) output power per channel; THD = 10 %, R
P
V
MCLK clock jitter < 200 ps; AES17 brick-wall filter
P
f
V
R
R
i
O
O
o(RMS)
= 1 kHz
ripple
Rev. 02 — 22 January 2009
L
L
DDA(3V3)
V
V
V
V
V
V
V
V
V
V
operating mode
soft mute mode
hard mute mode
= 8 ; P
= 6 ; P
= 1 W; AES17 brick wall filter
= 10 V; A-weighted
DDA
DDA
DDA
DDA
DDA
DDA
DDA
DDA
DDA
DDA
= 2 V
= V
= V
= V
= V
= V
= V
= V
= V
= V
= V
= 1 W; aggressor channel:
= V
DDP
DDP
DDP
DDP
DDP
DDP
DDP
DDP
DDP
DDP
o(RMS)
o(RMS)
pp
; f
DDD(3V3)
ripple
= 12 V
= 15 V
= 12 V
= 15 V
= 12 V
= 15 V
= 12 V
= 13.5 V
= 15 V
= 17 V
BTL stereo Class-D audio amplifier with I
= 8.3 W
= 9.7 W
= 100 Hz
= 3.3 V, T
amb
= 25 C, R
[2]
[2]
s
Min. Typ.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
50
55
-
-
-
< 0.1
7.9
12
9.7
15
6.6
10
8.3
10
12
15
0.07
103
70
70
30
54
60
88
83
-
[1]
© NXP B.V. 2009. All rights reserved.
TFA9812
, R
L
L
L
L
(Figure
= 6
= 8
L
Max. Unit
-
-
= 6
-
-
-
-
= 8
-
-
-
-
0.1
-
-
-
-
-
-
-
-
155
L
L
= 8 ,
= 6
= 8
2
13).
W
W
W
W
W
W
W
W
W
W
%
dB
dB
dB
%
%
ms
S input
V
V
V
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