CS4207-CNZ Datasheet, PDF (11/148 Pages) Cirrus Logic – Low-power, 4-in / 6-out HD Audio Codec with Headphone Amp

2. TYPICAL CONNECTION DIAGRAMS
CS4207
+5.0 V
0.1 µF
0.1 µF
+1.8 V
+5.0 V
0.1 µF + 10 µF
+5.0 V
0.1 µF ^**10 µF ^**10 µF
** 2.2 µF
** 2.2 µF
** Use low ESR
ceramic capacitors.
HD Audio
Bus
+1.5 V to +3.3 V
0.1 µF
VA
VD
VA_REF
VBIAS
HPOUT_L
HPREF
CS4207
VA_HP
VHP_FILT+
HPOUT_R
VHP_FILT-
FLYP
FLYC
FLYN
LINEOUT_L1+
LINEOUT_L1-
LINEOUT_R1+
LINEOUT_R1-
BITCLK
SYNC
SDI
SDO
RESET#
LINEOUT_L2+
LINEOUT_L2-
LINEOUT_R2+
LINEOUT_R2-
VL_HD
LINEIN_L+
LINEIN_C-
33 
0.1 µF
Left Headphone
Headphone Ground
33 
0.1 µF
Right Headphone
Differential to ‡
Single-Ended
Output Filter
+Left Line Output 1
Differential to ‡
Single-Ended
Output Filter
+Right Line Output 1
Differential to ‡
Single-Ended
Output Filter
+Left Line Output 2
Differential to ‡
Single-Ended
Output Filter
+Right Line Output 2
* Capacitors must be C0G or equivalent
1 µF
*
1800 pF
1 µF
Left Analog Input
+3.3 V
0.1 µF
VL_IF
LINEIN_R+
1 µF
*
1800 pF
Right Analog Input
GPIO2
GPIO3
*** SENSE_A
S/PDIF RX
S/PDIF TX 1
D-Mic In 2 / S/PDIF TX 2
D-Mic In 1
D-Mic Clk
*** See Figure 9.
GPIO2
GPIO3
SENSE_A
MICIN_L-
1 µF
MICIN_L+
1 µF
SPDIF_IN
MICBIAS
RL
SPDIF_OUT1
0.47 µF
DMIC_SDA2/
RL
SPDIF_OUT2
MICIN_R+
1 µF
DMIC_SDA1
DMIC_SCL
MICIN_R-
VCOM
VREF+
AGND
HP_GND(Thermal Pad)
1 µF
1 µF
10 µF
Differential Mic Left
Microphone Bias
The value of RL is dictated by
the microphone cartridge.
Differential Mic Right
‡ Input and Output
filters are optional.
Figure 1. Typical Connection Diagram - Desktop System
DS880F4
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