max98089 Maxim Integrated Products, Inc., max98089 Datasheet - Page 121

• Manufacturer Part Number: max98089
• Description: Low-power, Stereo Audio Codec With Flexsound Technology
• Manufacturer: Maxim Integrated Products, Inc.

Figures 40 and 41 provide example operating circuits for the ICs. sThe external components shown are the minimum
required for the ICs to operate. Additional components may be required by the application.
Figure 40. Typical Application Circuit Using Analog Microphone Inputs and the Bypass Switch
MICROPHONE
MICROPHONE
HANDSET
JACKSNS
HEADSET
10MHz TO 60MHz CLOCK INPUT
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1kI
TO MICROCONTROLLER
DIGITAL AUDIO
MICROPHONE
I
2
LINE INPUT
C CONTROL
OUTPUT TO
BASEBAND
1kI
PORT 1
PORT
2.2kI
10kI
1FF
1FF
1FF
1FF
1FF
1FF
1FF
1.8V TO
5.5V
0.1µF
Low-Power, Stereo Audio Codec
1.8V TO 3.6V
IRQ
MCLK
BCLKS1
LRCLKS1
SDINS1
SDOUTS1
SDA
SCL
MIC1P/DIGMICDATA
MIC1N/DIGMICCLK
MICBIAS
MIC2P
MIC2N
INA1/EXTMICP
INA2/EXTMICN
INB1
INB2
DGND
DVDDS1
10µF
AGND HPGND SPKRGND SPKLGND
PVDD
with FlexSound Technology
1µF
DVDD
1.8V
1µF
MAX98089
AVDD
SPKLVDD
HPVDD
10µF
1µF
2.8V TO 5.5V
1FF
Applications Information
1µF
HPVSS
SPKRVDD
1FF
Typical Operating Circuits
RECN/RXINN
C1N
RECP/RXINP
1µF
1.8V TO 3.6V
SDOUTS2
JACKSNS
LRCLKS2
DVDDS2
1FF
BCLKS2
SDINS2
HPSNS
SPKLN
SPKRP
SPKRN
SPKLP
HPR
HPL
REG
C1P
REF
MAX98089
0.1µF
1FF
JACKSNS
DIGITAL
AUDIO
PORT 2
BYPASS
SWITCH
INPUT
2.2FF
4I–8I
4I–8I