CS42L73 Datasheet, PDF (4/7 Pages) Cirrus Logic – Ultra Low Power Mobile Audio and Telephony CODEC

1. TYPICAL CONNECTION DIAGRAM
CS42L73
VBAT
USB
+5 V
PMU
Reset
Generator
LDO ^{+1.8 V}
Switching +1.8 V
Regulator
VANA
VDIG
0.1 µF
2.2 µF 2.2 µF 2.2 µF
2.2 µF
2.2 µF
Applications
Processor
VDIG
Baseband
Processor
RI_P
RP
RP
0.1 µF
1 µF
Cellular
Voice
SP
AEC
SP
Bluetooth®
Transceiver
CS42L73
HPOUTB
HPOUTA
HPOUT_REF
33 nF 100 
33 nF 100 
Headphone Out
Left & Right
RESET
VA
VCP
+VCP_FILT
-VCP_FILT
CPGND
FLYP
FLYC
FLYN
MCLK1
ASP_SCLK
ASP_LRCK
ASP_SDIN
ASP_SDOUT
INT
SCL
SDA
VL
VD_FILT
MCLK2
VSP_SCLK
VSP_LRCK
VSP_SDIN
VSP_SDOUT
XSP_SCLK
XSP_LRCK
XSP_SDIN
XSP_SDOUT
LINEOUTB
LINEOUTA
LINEO_REF
EAROUT+
EAROUT-
390 
2200 pF
390 
C0G
2200 pF
C0G
Optional
LPF
Line Level Out
Left & Right
Ear Speaker
(Receiver)
VP
SPK_VQ
PGND
SPKOUT+
SPKOUT-
SPKLINEO+
SPKLINEO-
LINEINA
LINEIN_REF
LINEINB
MIC1_BIAS
MIC1
MIC1_REF
MIC2_BIAS
MIC2
MIC2_SDET
MIC2_REF
DMIC_SD
DMIC_SCLK
+ ^{4.7 µF}
0.1 µF
+ ^{4.7 µF}
VBAT
2.2 µF
+
2.2 µF
+
VBAT
Class-D
CS35L0x
1 µF
+
1 µF
+
1 µF
+
100 k
100 k
Optional
Bias Res.
Speakerphone
(Left)
Speakerphone
(Right)
Line In
Left
Line In
Right
1 µF
0.1 µF
+
0.1 µF
RBIAS
Ground Ring
Handset
Microphone
1 µF
0.1 µF
RBIAS
Headset
Microphone
+
0.1 µF
VANA
L/R
Right/Data2
DATA
Digital
Microphone
MICB_FILT
ANA_VQ
FILT+
DGND
AGND
L/R
Left/Data1
DATA
Digital
Microphone
2.2 µF
2.2 µF
+
4.7 µF
4