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LGE Internal Use Only
3. TECHNICAL BRIEF
LGE Internal Use Only
3.3.4. Audio Accessory Detection
The AD6725-ATLAS3HLITE provides for detection of audio headset accessory insertion, extraction. The
detector circuit is designed to operate with minimum power in standby mode. There is a dedicated to the
accessory detector. AccDet is intended to interface to the external microphone and monitor its bias voltage.
The JackSense terminal is interfaced to the switch pin of the Jack socket or a Jack Sense terminal on a
handset system connector.
Figure 3-3-7 AD6725-ATLAS3HLITE detection block diagram