wm8569seds-v Wolfson Microelectronics plc, wm8569seds-v Datasheet - Page 34
wm8569seds-v
Manufacturer Part Number
wm8569seds-v
Description
24-bit, 192khz Stereo Codec With Volume Control
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM8569SEDS-V.pdf
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WM8569
Production Data
SUGGESTED ANALOGUE LOW PASS POST DAC FILTERS
It is recommended that a lowpass filter be applied to the output from each DAC channel for Hi Fi applications. Typically a
second order filter is suitable and provides sufficient attenuation of high frequency components (the unique low order, high
bit count multi-bit sigma delta DAC structure used in WM8569 produces much less high frequency output noise than
normal sigma delta DACs. This filter is typically also used to provide the 2x gain needed to provide the standard 2Vrms
output level from most consumer equipment.
Wolfson Application Note WAN0171 provides details of suitable post-DAC filter circuits.
Figure 34 Recommended Post DAC Filter Circuit
w
PD Rev 4.0 June 2006
34
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