WM8726 Wolfson Microelectronics plc, WM8726 Datasheet - Page 19
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WM8726
Manufacturer Part Number
WM8726
Description
24-bit 192khz Stereo Dac
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM8726.pdf
(22 pages)
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WM8726
APPLICATIONS INFORMATION
RECOMMENDED EXTERNAL COMPONENTS
Figure 22 External Component Diagram
RECOMMENDED EXTERNAL COMPONENTS VALUES
Table 7 External Components Description
w
Notes:
COMPONENT
REFERENCE
C3 and C4
Audio Serial Data I/F
C1
C2
C5
C6
Hardware Control
1. C2, C5 should be positioned as close to the WM8726 as possible.
2. Capacitor types should be carefully chosen. Capacitors with very low ESR are
3. C3 and C4 not required if using the recommended low pass filter in Figure 20.
recommended for optimum performance.
SUGGESTED
VALUE
C
0.1 F
0.1 F
10 F
10 F
10 F
1
AGND
VDD
+
C
2
13
12
10
14
8
7
1
3
2
De-coupling for VDD
De-coupling for VDD
Output AC coupling caps to remove midrail DC level from outputs
Reference de-coupling capacitors for CAP pin
VDD
GND
FORMAT
DEEMPH
MUTE
LRCIN
MCLK
BCKIN
DIN
WM8726
VOUTR
VOUTL
CAP
6
9
5
DESCRIPTION
C
C
C
5
3
4
C
6
AGND
+
AC-Coupled
VOUTR/L
to External LPF
PD Rev 4.6 May 2008
Production Data
19