CS4207 Datasheet, PDF (12/144 Pages) Cirrus Logic – Low-power, 4-in / 6-out HD Audio CODEC with Headphone Amp

CS4207
+3.3 V
0.1 µF
0.1 µF
+1.8 V
VA
VD
+3.3 V
VA_REF
0.1 µF + 10 µF
VBIAS
HPOUT_L
33 Ω
+3.3 V
0.1 µF ^**10 µF ^**10 µF
HPREF
CS4207
VA_HP
VHP_FILT+
HPOUT_R
33 Ω
VHP_FILT-
LINEOUT_L1+
0.1 µF
0.1 µF
Left Headphone
Headphone Ground
Right Headphone
** 2.2 µF
** 2.2 µF
* *Use low ESR
ceramic capacitors.
FLYP
FLYC
FLYN
HD Audio
Bus
+1.5 V to +3.3 V
0.1 µF
BITCLK
SYNC
SDI
SDO
RESET
VL_HD
+3.3 V
0.1 µF
VL_IF
GPIO2
GPIO3
SENSE_A
GPIO2
GPIO3
SENSE_A
S/PDIF RX
S/PDIF TX 1
D-Mic In 2 / S/PDIF TX 2
SPDIF_IN
SPDIF_OUT1
DMIC_SDA2/
SPDIF_OUT2
LINEOUT_L1-
LINEOUT_R1+
LINEOUT_R1-
LINEOUT_L2+
560 Ω
LINEOUT_L2-
560 Ω
* 2200 pF
Speaker Driver
LINEOUT_R2+
560 Ω
LINEOUT_R2-
560 Ω
* _{2200 pF}
Speaker Driver
LINEIN_L+
LINEIN_C-
* Capacitors must be C0G or equivalent
1 µF
*
1800 pF
1 µF
LINEIN_R+
1 µF
*
1800 pF
Left Analog Input
Right Analog Input
MICIN_L-
MICIN_L+
1 µF
MICBIAS
0.47 µF
MICIN_R+
1 µF
MICIN_R-
Left Mic In
Microphone Bias
RL
The value of RL is dictated by
the microphone cartridge.
RL
Right Mic In
D-Mic In 1
D-Mic Clk
DMIC_SDA1
DMIC_SCL
VCOM
VREF+
AGND
HP_GND(Thermal Pad)
1 µF
10 µF
Figure 2. Typical Connection Diagram - Portable System
12
DS880F1