参数资料
型号: TFA9812HN
厂商: NXP SEMICONDUCTORS
元件分类: 音频/视频放大
英文描述: 15 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC48
封装: 7 X 7 MM, 0.85 MM HEIGHT, PLASTIC, MO-220, SOT619-8, HVQFN-48
文件页数: 30/66页
文件大小: 386K
代理商: TFA9812HN
TFA9812_2
NXP B.V. 2009. All rights reserved.
Preliminary data sheet
Rev. 02 — 22 January 2009
36 of 66
NXP Semiconductors
TFA9812
BTL stereo Class-D audio amplier with I2S input
9.5.7 Digital-in clock conguration
9.5.8 Thermal foldback control
Table 43.
Register 2Dh: digital-in clock conguration
Bit
15
14
13
12
11
10
9
8
Symbol
RSD
Default
00000000
Bit
7
6
5
4
3
2
1
0
Symbol
RSD
FSUB3
FSUB2
FSUB1
FSUB0
DI_MS
Default
00001110
Table 44.
Bit description of register 2Dh:digital-in clock conguration
Bit
Symbol
Description
4 to 1
FSUB[3:0]
Sample frequency fs of digital-in signal:
0 = 8 kHz
1 = 11.025 kHz
2 = 12 kHz
3 = 16 kHz
4 = 22.05 kHz
5 = 24 kHz
6 = 32 kHz
7 = 44.1 kHz
8 = 48 kHz
9 = 64 kHz
10 = 88.2 kHz
11 = 96 kHz
12 = 128 kHz
13 = 176.4 kHz
14 = 192 kHz
15 = RSD
0
DI_MS
TFA9812 digital-in Master/Slave mode selection:
0 = Slave mode
1 = Master mode
Table 45.
Register 2Eh: thermal foldback control
Bit
15
14
13
12
11
10
9
8
Symbol
RSD
TP_THR9
TP_THR8
Default
00000000
Bit
7
6
5
4
3
2
1
0
Symbol
TP_THR7
TP_THR6
TP_THR5
TP_THR4
TP_THR3
TP_THR2
TP_THR1
TP_THR0
Default
00000000
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