tfa9879hn NXP Semiconductors, tfa9879hn Datasheet - Page 30

• Manufacturer Part Number: tfa9879hn
• Description: Mono Btl Class-d Audio Amplifier For Portable Applications With Digital Input
• Manufacturer: NXP Semiconductors

NXP Semiconductors
TFA9879_1
Preliminary data sheet
10.4.3 Equalizer configuration
Table 24.
‘x’ represents the equalizer band A, B, C, D or E
[1]
Table 25.
‘x’ represents the equalizer band A, B, C, D or E
[1]
Table 26.
Bit
15
14:4
3:0
Bit
15
14:11 EQx_k2m
10:8
7:1
0
Band
Frequency (Hz) 100
Q-factor
Gain (dB)
Default settings are given in
Default settings are given in
EQx_k1e
EQx_K0
EQx_s
Symbol
EQx_t1
EQx_k1m
Symbol
EQx_t2
EQx_k2e
Equalizer word1 control registers (addresses 05h, 07h, 09h, 0Bh and 0Dh for
equalizer bands A, B, C, D and E respectively) bit description
Equalizer word2 control register (addresses 06h, 08h, 0Ah, 0Ch and 0Eh for
equalizer bands A, B, C, D and E respectively) bit description
Default equalizer configuration for f
All information provided in this document is subject to legal disclaimers.
A
1.65
0
Access
R/W
R/W
R/W
Access
R/W
R/W
R/W
R/W
R/W
Rev. 01 — 8 April 2010
Table
Table
Default
Default
B
300
1.65
0
20. The corresponding equalizer configuration is shown in
20. The corresponding equalizer configuration is shown in
Mono BTL class-D audio amplifier with digital input
[1]
[1]
Description
filter configuration parameter t
Section 9.2.5.1
11 mantissa bits of filter parameter k
Section 9.2.5.1
four exponent bits of filter parameter k
Section 9.2.5.1
Description
filter configuration parameter t
Section 9.2.5.1
four mantissa bits of filter parameter k
Section 9.2.5.1
three exponent bits of filter parameter k
Section 9.2.5.1
seven-bit of filter gain parameter K
Section 9.2.5.1
filter scale-factor (s); see
0: no scaling applied
1: 6 dB amplification enabled
s
C
1000
1.65
0
= 48 kHz
D
3000
1.65
0
Section 9.2.5.1
1
2
; see section
; see section
TFA9879
© NXP B.V. 2010. All rights reserved.
0
; see
1
’; see
2
1
’; see
E
10000
1.65
0
’; see
2
’; see
Table
Table
30 of 60
26.
26.