參數(shù)資料
型號： TFA9812HN/N1,557
廠商： NXP SEMICONDUCTORS
元件分類： 音頻／視頻放大
英文描述： 15 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC48
封裝： 7 X 7 MM, 0.85 MM HEIGHT, PLASTIC, MO-220, SOT619-8, HVQFN-48
文件頁數(shù)： 26/66頁
文件大小： 386K
代理商： TFA9812HN/N1,557
TFA9812_2
NXP B.V. 2009. All rights reserved.
Preliminary data sheet
Rev. 02 — 22 January 2009
32 of 66
NXP Semiconductors
TFA9812
BTL stereo Class-D audio amplier with I2S input
9.5.3 Digital input format
9.5.4 Equalizer conguration
Table 31.
Bit description of register 00h: miscellaneous I2C interpolator settings
Bit
Symbol
Description
15 to 8
VOL_L[15:8]
See Table 16 for suppression levels on left channel as
function of data byte setting.
7 to 0
VOL_R[7:0]
See Table 16 for suppression levels on right channel as
function of data byte setting.
Table 32.
Register address 02h: digital input format
Bit
15
14
13
12
11
10
9
8
Symbol
RSD
Default
00000000
Bit
7
6
5
4
3
2
1
0
Symbol
RSD
DI_FOR2
DI_FOR1
DI_FOR0
WS_POL
Default
00000110
Table 33.
Bit description of register 02h: digital input format
Bit
Symbol
Description
3 to 1
DI_FOR[2:0]
Digital audio input format:
0 = RSD
1 = RSD
2 = MSB-justied data up to 24 bits
3 = I2S data up to 24 bits
4 = LSB-justied 16-bit data
5 = LSB-justied 18-bit data
6 = LSB-justied 20-bit data
7 = LSB-justied 24-bit data
0
WS_POL
Enable WS signal polarity inversion:
0 = No WS signal polarity inversion
1 = WS signal polarity inversion enabled
Table 34.
Register address 03h: equalizer 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
EQ_BP
EQ_BND
Default
00000010
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