Infineon — IM63D135A Digital MEMS Microphone

Features

• AEC-Q103-003 qualified – Automotive-grade reliability
• IP57-rated – Dust and water-resistant for enhanced durability
• Very high AOP: 135 dB SPL – Handles extreme sound levels with minimal distortion
• Operating temperature range: -40°C to 105°C
• Flat frequency response down to 7 Hz – Captures low-frequency sounds accurately
• Digital PDM output – Efficient signal transmission
• High dynamic range & low distortion (THD < 1%) – Ensures clear audio at high SPL levels
• Compact surface-mount package – Easy integration into space-constrained designs

Benefits

• Superior wind-noise resistance for clear sound pickup
• Flat frequency response & low-frequency roll-off for natural sound reproduction
• Extended temperature range for use in extreme conditions
• Long product availability ensuring design longevity
• Automotive-qualified for reliability in vehicle applications
• Close sensitivity & phase matching for consistent performance across multiple units
• Crystal-clear speech capture even in high-noise environments

Applications

• External sound sensing – Detects sirens and ambient noises for enhanced safety
• Active Noise Cancellation (ANC) / Road Noise Cancellation (RNC) – Reduces unwanted sound for improved in-car audio experience

• Hands-free calling & voice control – Enables clear communication from both interior and exterior microphones
• Road condition detection – Helps identify environmental and surface conditions for vehicle systems