alc269qsrs-gr Realtek Semiconductor Corporation, alc269qsrs-gr Datasheet - Page 74

• Manufacturer Part Number: alc269qsrs-gr
• Description: High Definition Audio Codec With Embedded Class D Speaker Amplifier
• Manufacturer: Realtek Semiconductor Corporation

10. Application Circuits
10.1. Filter Connection
Tantalum capacitor is
required for C39, C40
Pin 47 (EAPD):
Output to control external amplifier
Pin 47 (Secondary S/PDIF-OUT):
Optional digital output to HDMI Tx
High Definition Audio Codec with Embedded
Class D Speaker Amplifier
PVDD2
PVDD1
S/PDIF-OUT2 or EAPD
10u
C39
+5VA
C40
10u
+
+
S/PDIF-OUT
C10
0.1u
PGND
C12
0.1u
PGND
digital_ground
AGND
+
C7
10u
Power down speaker amplifier
(internal pulled high)
0V: Power down speaker amplifier
3.3V: Power up speaker amplifier
SPKL+
SPKL-
SPKR-
SPKR+
C8
0.1u
GND
GPIO0, or DATA f or digital MIC
PGND
GPIO1, or CLK f or digital MIC
Tied at one point only under the codec or near the codec
+3.3VD
PGND
37
38
39
40
41
42
43
44
45
46
47
48
AVSS2
AVDD2
PVDD1
SPK-L+
SPK-L-
PVSS1
PVSS2
SPK-R-
SPK-R+
PVDD2
SPDIFO2/EAPD
SPDIFO
speaker
amplifier ground
C19
0.1u
Figure 18. Filter Connection
C17
10u
2.2u
+
C2
+
PD#
+
C1
2.2u
ALC269
C30
22p
C31
22p
66
GND
Analog_ground
AGND
22p
C24
10u
+
C3
R8
R9
R10
MONO-OUT
R7
C22
LINE1-R
LINE2-R
R4
Sense-B
Sense A
LINE1-L
LINE2-L
MIC1-R
MIC2-R
JDREF
MIC1-L
MIC2-L
10
10
10
10
C16
10
digital_ground
GND
22p
MIC1-VREFO_R
MIC2-VREFO
MIC1-VREFO-L
24
23
22
21
20
19
18
17
16
15
14
13
U2
1u
Track ID: JATR-1076-21
+
C9
10u
20K,1%
RESET#
SY NC
SDIN
BCLK
SDOUT
RJ1
MIC2-R
MIC2-L
C4
0.1u
C21
100P
C29
0.1u
LINE1-R
LINE1-L
MIC1-R
MIC1-L
MONO-OUT
+5VA
RJ9
RJ2
RJ3
RJ4
RJ5
RJ6
RJ7
RJ8
C28
10u
+
5.1K,1%
5.1K,1%
R3
10K
20K,1%
10K,1%
39.2K, 1%
20K,1%
10K,1%
R1
39.2K,1%
Datasheet
47k
+3.3VD
ALC269
LINE2-JD
MIC2-JD
HPOUT-JD
MIC1-JD
MONO-OUT-JD
SPDIF-OUT2-JD
LINE1-JD
SPDIF-OUT-JD
Rev. 1.1
J1
PCBEEP
1
2