WM8816 Datasheet, PDF (10/12 Pages) Wolfson Microelectronics plc – Stereo Digital Volume Control

WM8816
RECOMMENDED EXTERNAL COMPONENTS
Advanced Information
LEFT CHANNEL
INPUT
4 LIN
5
LGND
LFO
3
LMO 2
+18V
-
+
-18V
RIGHT CHANNEL
INPUT
13 RIN
12
RGND
Micro
Controller
6 _CSB
9 _DATA
10 _CCLK
8 _MUTEB
WM8816
RFO
14
RMO 15
+18V
-
+
AVDD ¹
AGND ¹⁶
DVDD ⁷
DGND ¹¹
-18V
+5V DC
C1
+
C3
C2
Note: Connect signal ground and non-inverting opamp input together on the PCB
Figure 5 Typical Application
RECOMMENDED EXTERNAL COMPONENTS VALUES
COMPONENT
REFERENCE
C1
C2
C3
SUGGESTED
VALUE
220nF
220nF
10µF
DESCRIPTION
Analogue Supply Decoupling
Digital Supply Decoupling
General Supply Decoupling
Table 3 Recommended External Components Values
WOLFSON MICROELECTRONICS LTD
AI Rev 1.1 September 2000
10