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Description
Features:
| CATEGORY | SPECIFICATIONS |
|---|---|
| Product Type | PDM MEMS Digital Microphone Module |
| Microphone Type | MEMS (Micro-Electro-Mechanical System) microphone |
| Function | Captures sound and outputs digital audio signal |
| Output Type | PDM (Pulse Density Modulation) digital signal |
| Interface Type | PDM / I2S-compatible audio interface |
| Operating Voltage | 1.8V – 3.3V DC |
| Signal Type | Digital (1-bit pulse density stream) |
| Clock Frequency | ~1 MHz – 3 MHz (typical PDM clock range) |
| Working Principle | Converts sound waves into pulse density digital data (1-bit modulation) |
| Data Output Format | Square wave synchronized with clock (logic 0/1 stream) |
| Key Features | No analog output, low power, digital audio capture |
| Compatibility | 32-bit microcontrollers with PDM/I2S support |
| Evaluation Use | Audio development and embedded sound processing |
| Applications | Voice recognition, smart devices, IoT audio systems, wearable electronics |
| Advantage | Direct digital audio output eliminates need for analog amplification |
Package Includes:
1 x MP34DT01 PDM MEMS Microphone
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