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Board Features
5
Board Features
The LM49100 demonstration board has all of the necessary connections, using 0.100” headers, to apply
the power supply voltage, the audio input signals, and the I
2
C signal inputs. The amplified audio signal is
available on both a stereo headphone jack and auxiliary output connections.
Also included with the demonstration board is an I
2
C signal generation board and software. With this
board and the software, the user can easily control the LM49100’s, shutdown function, mute, and stereo
volume control.
Figure 2
shows the software’s graphical user interface.
Figure 2. LM49100 Software User's Interface
6
Schematic
Figure 3
shows the LM49100 Demonstration Board schematic. Refer to
Table 1
for a list of the
connections and their functions.
3
SNAA043A – October 2007 – Revised May 2013
AN-1622 LM49100 Evaluation Board»
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