Typical connection diagram, Figure 12. typical connection diagram, Figure 12.typical connection diagram – Cirrus Logic CS4245 User Manual
Page 29: Cs4245
DS656F3
29
CS4245
3. TYPICAL CONNECTION DIAGRAM
VLS
0.1 µF
+1.8V
to +5V
MUTEC
Mute
Drive
DGND
VLC
0.1 µF
+1.8V
to +5V
SCL/CCLK
SDA/CDOUT
AD1/CDIN
RESET
2 k
See Note 1
LRCK2
SDIN
AGND
AD0/CS
Note 1: Resistors are required for I²C control
port operation
Digital Audio
Playback
Micro-
Controller
MCLK2
SCLK2
* Capacitors must be C0G or equivalent
Digital Audio
Capture
LRCK1
SDOUT
MCLK1
SCLK1
AUXOUTA
AUXOUTB
2.2nF
AFILTA
AFILTB
OVFL
2.2nF
3.3 µF
3.3 µF
47 µF
0.1 µF
VQ1
FILT1+
10 µF
AGND
*
*
AOUTA
AOUTB
470
470
3.3 µF
C
Optional
Analog
Muting
2 k
3.3 µF
INT
47 µF
10 k
10 k
C
R
ext
R
ext
See Note 2
For best response to Fs/2 :
470
4
470
ext
ext
R
Fs
R
C
This circuitry is intended for applications where
the CS4245 connects directly to an unbalanced
output of the design. For internal routing
applications please see the DAC Analog Output
Characteristics section for loading limitations.
Note 2 :
AIN1A
Left Analog Input 1
10 µF
10 µF
1800 pF
1800 pF
100 k
100 k
100
100
AIN1B
Right Analog Input 1
AIN2A
Left Analog Input 2
10 µF
10 µF
1800 pF
1800 pF
100 k
100 k
100
100
AIN2B
Right Analog Input 2
AIN3A
Left Analog Input 3
10 µF
10 µF
1800 pF
1800 pF
100 k
100 k
100
100
AIN3B
Right Analog Input 3
AIN4A/MICIN1
Left Analog Input 4
10 µF
10 µF
1800 pF
1800 pF
100 k
100 k
100
100
AIN4B/MICIN2
Right Analog Input 4
AIN5A
Left Analog Input 5
10 µF
10 µF
1800 pF
1800 pF
100 k
100 k
100
100
AIN5B
Right Analog Input 5
AIN6A
Left Analog Input 6
10 µF
10 µF
1800 pF
1800 pF
100 k
100 k
100
100
AIN6B
Right Analog Input 6
MICBIAS
AGND
0.1 µF
47 µF
0.1 µF
VQ2
FILT2+
10 µF
0.1 µF
*
*
*
*
*
*
*
*
*
*
*
*
*
*
0.1 µF
VA
10 µF
+3.3V to +5V
0.1 µF
10 µF
0.1 µF
VA
VD
+3.3V to +5V
R
L
Note 3
Note 3: The value of R
L
is dictated by the
microphone carteridge.
CS4245
Figure 12. Typical Connection Diagram