MAX98089EVKIT+TQFN Maxim Integrated, MAX98089EVKIT+TQFN Datasheet - Page 89

• Manufacturer Part Number: MAX98089EVKIT+TQFN
• Description: Audio IC Development Tools
• Manufacturer: Maxim Integrated
• Type: Audio CODECr

Specifications of MAX98089EVKIT+TQFN

• Product: Evaluation Kits
• Tool Is For Evaluation Of: MAX98089
• Operating Supply Voltage: 2.8 V to 5.5 V
• Interface Type: I2C
• Operating Supply Current: 1 A

Table 13. Sample Rate Converter Register
Each digital signal path in the IC includes options for
defining the path bandwidth (Figure 19). The playback
and record paths connected to DAI1 support both voice
and music filtering while the playback path connected to
DAI2 supports music filtering only.
The voice IIR filters provide greater than 70dB stopband
attenuation at frequencies above f
Three selectable highpass filters eliminate unwanted low-
frequency signals.
Figure 19. Digital Passband Filtering Block Diagram
Maxim Integrated
REGISTER
0x21
BIT
4
3
2
1
0
ADLEN
ADREN
ADCL
ADCR
SRMIX_MODE
SRMIX_ENR
SRMIX_ENL
SRC_ENL
SRC_ENR
NAME
AUTOMATIC
CONTROL
GAIN
Passband Filtering
AVLG: 0/6/
TO -15dB
S
AVL:0dB
12/18dB
/2 to reduce aliasing.
SIDETONE
SRMIX_
MODE
MODE1
AVFLT
DSTS
SAMPLE RATE
Sample Rate Mix Mode. Sets mixing configuration applied to the sample rate
converted channel(s).
0 = (DAI1 + DAI2)
1 = (DAI1 + DAI2)/2
Sample Rate Mix Enable. If enabled, mixes data on DAI1 and DAI2. If cleared, SCR
data source is DAI2 only.
0 = SRC mix disable
1 = SRC mix enable
Sample Rate Converter Enable. Select if the SRC is enabled on a per channel
basis.
0 = Sample rate converter disable
1 = Sample rate converter enable
CONVERTER
NOISE GATE
FILTERS
AUDIO/
VOICE
Low-Power, Stereo Audio Codec
MIX
DVST:
0dB TO -60dB
AVRG: 0/6/
12/18dB
AVR:0dB
TO -15dB
with FlexSound Technology
PARAMETRIC
5-BAND
EQ
+
EQ1EN
EXCURSION LIMITER
DV1G:
0/6/12/18dB
MULTI BAND ALC
DVEQ1:
0dB TO -15dB
Use music mode when processing high-fidelity audio
content. The music FIR filters reduce power consump-
tion and are linear phase to maintain stereo imaging.
An optional DC-blocking filter is available to eliminate
unwanted DC offset.
In music mode, a second set of FIR filters are available to
support sample rates greater than 50kHz. The filters can
be independently selected for DAI1 and DAI2 and sup-
port both the playback and record audio paths.
PARAMETRIC
5-BAND
DV2:
0dB TO -15dB
DV1:
0dB TO -15dB
EQ
EQ2EN
DVEQ2:
0dB TO -15dB
DESCRIPTION
DCB2
MODE1
DVFLT
FILTERS
FILTERS
AUDIO/
AUDIO/
VOICE
MIXDAL
MIXDAR
MIX
MIX
DALEN
DAREN
MAX98089
DACL
DACR
89