TFA9879 NXP Semiconductors, TFA9879 Datasheet - Page 15

• Manufacturer Part Number: TFA9879
• Description: The TFA9879 contains a processor that supports a range of sound processing featuresincluding a 5-band parametric equalizer, separate bass and treble control, a dynamicrange compressor, soft clip control and volume control
• Manufacturer: NXP Semiconductors

NXP Semiconductors
TFA9879
Product data sheet
Table 8.
Word
word1
word1
word1
word2
word2
word2
word2
word2
Fig 7.
Fig 8.
(dB)
G
12
Transfer functions for selected values of Q, the quality factor
Transfer functions for selected values of f
8
4
0
Equalizer control word construction
10
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Section
15
[14:4]
[3:0]
15
[14:11]
[10:8]
[7:1]
0
(dB)
Rev. 02 — 15 October 2010
G
12
8
4
0
10
10
Q1 = 0.27
Q2 = 0.61
Q3 = 1.65
2
10
Mono BTL class-D audio amplifier with digital input
2
Data
t
11 mantissa bits of k
four exponent bits of k
t
four mantissa bits of k
three exponent bits of k
k
s
1
2
0
’
10
10
3
3
c
, the center frequency
10
4
1
’
2
010aaa222
1
f (Hz)
’
’
2
’
10
10
4
5
f (Hz)
010aaa223
TFA9879
© NXP B.V. 2010. All rights reserved.
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5
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