TFA9812HN PHILIPS [NXP Semiconductors], TFA9812HN Datasheet - Page 37

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

NXP Semiconductors
Table 47.
Table 49.
TFA9812_2
Preliminary data sheet
Bit
Symbol
Default
Bit
Symbol
Default
Bit
Symbol
Default
Bit
Symbol
Default
Register 2Fh: TFA9812 temperature
Register 30h: miscellaneous status
9.5.10 Miscellaneous status
9.5.9 TFA9812 temperature
TEMP7
RSD
RSD
RSD
15
15
7
7
-
-
-
-
Table 46.
Table 48.
Table 50.
Bit
9 to 0
Bit
9 to 0
Bit
6
5
4
TEMP6
RSD
RSD
OFP
14
14
6
6
-
-
-
-
Bit description of register 2Dh: digital-in clock configuration
Bit description of register 2Dh: digital-in clock configuration
Bit description of register 30h: miscellaneous status
TEMP5
Symbol
TP_THR[9:0]
Symbol
TEMP[9:0]
Symbol
OFP
UFP
UVP1V8
RSD
RSD
UFP
13
13
5
5
-
-
-
-
Rev. 02 — 22 January 2009
UVP1V8
TEMP4
RSD
RSD
12
12
4
4
-
-
-
-
Description
Reduction on the maximum temperature of 125 C.
The reduction can be calculated by:
Description
Temperature of the TFA9812, which can be calculated in
Description
PLL frequency-over-range indicator:
PLL frequency under-range indicator:
Undervoltage detector for pins 4 and 41:
reduction
BTL stereo Class-D audio amplifier with I
C using: Temp TFA9812 = (1023
0 = PLL frequency in supported range
1 = PLL frequency exceeds highest supported
frequency value
0 = PLL frequency in supported range
1 = PLL frequency below lowest supported frequency
value
0 = No UVP has been detected
1 = A UVP has been detected since the last read-out of
the register
UVP3V3
TEMP3
RSD
RSD
11
11
3
3
=
-
-
-
-
INTEGER
TEMP2
DIAG
RSD
RSD
(TP_THR[9:0]
---------------------------------- -in C
10
10
2
2
-
-
-
-
2.4552
TEMP9
TEMP1
RSD
TEMP[9:0]) / 2.4552
LP
9
1
9
1
-
-
-
-
© NXP B.V. 2009. All rights reserved.
TFA9812
TEMP8
TEMP0
MUTE
2
RSD
S input
8
0
8
0
-
-
-
-
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