WM8595 Datasheet, PDF (79/82 Pages) Wolfson Microelectronics plc – 24-bit 192kHz 2Vrms Multi-Channel CODEC

Production Data
RECOMMENDED ANALOGUE LOW PASS FILTER
Ω
Ω
WM8595
Ω
Ω
Figure 69 Recommended Analogue Low Pass Filter (shown for VOUT1L/R)
Note: See WAN0176 for AC coupling capacitor selection information.
An external single pole RC filter is recommended (see Figure 69) if the device is driving a wideband
amplifier. Other filter architectures may provide equally good results.
RELEVANT APPLICATION NOTES
The following application notes, available from www.wolfsonmicro.com, may provide additional
guidance for the use of the WM8595.
DEVICE PERFORMANCE:
WAN0129 – Decoupling and Layout Methodology for Wolfson DACs, ADCs and CODECs
WAN0144 – Using Wolfson Audio DACs and CODECs with Noisy Supplies
WAN0176 – AC Coupling Capacitor Selection
GENERAL:
WAN0108 – Moisture Sensitivity Classification and Plastic IC Packaging
WAN0109 – ESD Damage in Integrated Circuits: Causes and Prevention
WAN0158 – Lead-Free Solder Profiles for Lead-Free Components
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PD, Rev 4.2, January 2011
79