www.austriamicrosystems.com

Revision 1.52

14 - 17

AS1701, AS1706

Figure 31. Volume Control Configuration

For more information on the AS1500 family of digital potentiometers, refer to the latest version of the AS150x data

sheet, available from the austriamicrosystems website http://www.austriamicrosystems.com.

Layout and Grounding Considerations

Well designed PC board layout is essential for optimizing device performance. Use large traces for the power supply

inputs and amplifier outputs to minimize losses due to parasitic trace resistance and route heat away from the device.

Sufficient grounding improves audio performance, minimizes crosstalk between channels, and prevents digital switch-

ing noise from coupling onto the audio signal.

Refer to Power Dissipation and Heat Sinking on page 11 for heat sinking considerations.

AS1701/

AS1706

Audio

Input

AS150x

H

L

8

OUT-

5

OUT+

4

IN-