WM8501 Wolfson Microelectronics plc, WM8501 Datasheet - Page 16
WM8501
Manufacturer Part Number
WM8501
Description
24-bit 192khz Stereo Dac With 1.7vrms Line Driver
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM8501.pdf
(20 pages)
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WM8501
APPLICATIONS INFORMATION
RECOMMENDED EXTERNAL COMPONENTS
Figure 17 External Component Diagram
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In an application where ENABLE is fed directly from VDD rather than a dedicated control line,
resistor R3 and capacitor C9 are used on the ENABLE pin to introduce a short delay in the Low to
High transition of ENABLE. This will ensure the pin goes high after power supplies have had time
to settle (see “ENABLE Operation” in the “Hardware Control Modes” section of the datasheet).
However, if the ENABLE signal is being provided from an external controller chip rather than VDD
directly, R3 and C9 will not be required.
PD, Rev 4.2, July 2009
Production Data
16