參數(shù)資料
型號(hào): 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(yè)數(shù): 28/66頁(yè)
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
34 of 66
NXP Semiconductors
TFA9812
BTL stereo Class-D audio amplier with I2S input
Fig 9.
Equalizer conguration and register location mapping
Left in
Left out
2
× 5 or 2 × 10
Right in
Right out
2
× 5 or 2 × 10
A1
C1
B1
D1
D2
D3
D4
D5
B2
B3
B4
B5
C2
C3
C4
C5
A2
A3
A4
A5
010aaa404
Table 38.
Bit description of registers xxh = 04, 06...2A
Bit
Symbol
Description
15
Eyy_t1
The lter conguration bit t1, see Section 8.5.1.2.
14 to 4
Eyy_k1m[10:0]
The 11 mantissa bits of the lter parameter k1, see
3 to 0
Eyy_k1e[3:0]
The four exponent bits of the lter parameter k1, see
Table 39.
Bit description of registers xxh = 05, 07...2B
Bit
Symbol
Description
15
Eyy_t2
The lter conguration bit t2, see Section 8.5.1.2.
14 to 11
Eyy_k2m[3:0]
The four mantissa bits of the lter parameter k2, see
10 to 8
Eyy_k2e[2:0]
The three exponent bits of the lter parameter k2, see
7 to 1
Eyy_k0[6:0]
The seven bits of the lter gain parameter k0, see
0
Eyy_s
The lter scale-factor bits, see Section 8.5.1.2:
0 = No scaling applied
1 =
6 dB amplication enabled
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