CS42L50 Datasheet, PDF (15/48 Pages) Cirrus Logic – Low Voltage, Stereo CODEC with headphone Amp

2. TYPICAL CONNECTION DIAGRAM
CS42L50
1.8 to 3.3 V
Supply
+
1.0 µF
0.1 µF
0.1 µF 0.1 µF
+ _{1.0 µF}
1.8 to 3.3 V
Supply
23
13
21
150 Ω
0.47 µF
150 Ω
0.47 µF
150 Ω
0.47 µF
VA VA_HP
8 _{AIN_L1}
0.01 µF
7
AIN_R1
0.01 µF
5 _{AIN_L2}
0.01 µF
VL
HP_A ¹²
220 µF
+
HP_B ¹⁴
220 µF
+
4.7 µH
1 kΩ
4.7 µH
1 kΩ
AOUTL ¹⁶
3.3 µF
+
560 Ω
16 Ω
Headphones
150 Ω
0.47 µF
4 _{AIN_R2}
0.01 µF
Digital
Audio
Source
19 _MCLK
18 _SCLK
25 _LRCK
24 _SDOUT
20 _SDIN
VL
µc
Configuration
1.0 nF
28
RST
26 _SDA
27 _SCL
2 _AFLTL
1 _AFLTR
10 kΩ
C
R_L
AOUTR ¹⁵
3.3 µF
+
560 Ω
CS42L50
10 kΩ
C
R_L
MUTEC ¹⁷
VQ_DAC ¹¹
FILT+_DAC ¹⁰
REF_GND ⁶
FILT+_ADC ³
VQ_ADC ⁹
GND
Mute
Circuit
+ _{1.0 µF}
+ ^{1.0 µF}
1.0 µF
0.1 µF₊
0.1 µF
+^{1.0 µF}
1.0 nF
22
C=
R_L + 560
4 π F_S (R_L560)
Figure 4. CS42L50 Typical Connection Diagram
DS544PP1
15