MAX14627 Overview
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 patible with Windows Mobile 7. The devices need only three GPIOs from the host controller to select between call mode and...
MAX14627 Key Features
- MODE Three-State Microphone Bias Control
- MIC Switch Ground Detection (MAX14627)
- MIC Switch Open and Ground Detection (MAX14628) S patible with Windows Mobile 7 and Google Android
- Microphone Button Press Detection S High-Performance MIC Bias and Power Savings
- No Pop-Up Noises
- Ultra-Low Noise, High-PSRR MIC Bias
- Low-Power MIC Idle Mode
- Automatic Ultra-Low-Power Mode When Microphone Is Disabled S PCB Space and Cost Savings
- Integrated ±15kV ESD Protection (HBM) on DETIN and MIC Input Terminals
- Small 8-Pin (2mm x 2mm) TDFN Package