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19-6310; Rev 0; 5/12
EVALUATION KIT AVAILABLE
MAX14627/MAX14628 Low-Power Headset Detectors with SEND/END Button Support
General Description
The MAX14627/MAX14628 provide a simple solution for detecting the insertion and managing the operation of a 3.5mm stereo headset with a microphone. These devices integrate all circuitry needed to detect SEND/END button press events and generate required microphone bias voltages, and are fully compatible with Windows Mobile 7. The devices need only three GPIOs from the host controller to select between call mode and standby mode, and monitor the SEND/END and jack insertion status. In call mode, the low-noise LDO is enabled to provide DC bias to the externally preamplified microphone.
MAX14627 Datasheet
