Condenser mic 4.5×2.2mm/microphone

The Condenser Mic 4.5×2.2mm is a small-sized, high-sensitivity electret microphone. It is designed for a wide range of audio applications, including voice recording, telecommunication devices, and various consumer electronics. Its compact size and high sensitivity make it ideal for embedding in small devices.

Key Features:

• High sensitivity and low noise
• Small and compact size
• Wide frequency response
• Low power consumption
• Omnidirectional pickup pattern
• Easy to integrate into electronic circuits

Technical Specifications:

• Type: Electret condenser microphone
• Dimensions: 4.5mm (diameter) x 2.2mm (height)
• Sensitivity: -42dB ±3dB (0dB = 1V/Pa at 1kHz)
• Frequency Response: 20Hz to 16kHz
• Impedance: ≤ 2.2kΩ
• Operating Voltage: 1.5V to 10V DC
• Current Consumption: ≤ 0.5mA
• Signal-to-Noise Ratio: ≥ 60dB
• Directivity: Omnidirectional
• Operating Temperature Range: -20°C to +70°C

Applications:

• Voice recording devices
• Telecommunication equipment
• Hearing aids
• Portable audio recorders
• Consumer electronics
• Smart home devices
• Speech recognition systems

Usage:

1. Connection:
   • Connect the microphone’s output pin to the input of an amplifier or preamp circuit.
   • Connect the power supply (1.5V to 10V DC) to the microphone.
   • Ensure the ground connection is properly made to avoid noise interference.
2. Integration:
   • Place the microphone in a suitable location to capture sound effectively.
   • Embed the microphone in devices ensuring the sound entry is not obstructed.
3. Circuit Design:
   • Use appropriate capacitors and resistors as per the microphone’s requirements.
   • Design the circuit to provide a stable power supply and proper impedance matching.

Caution:

• Handle the microphone with care to avoid physical damage.
• Protect the microphone from exposure to moisture and extreme temperatures.
• Avoid applying excessive voltage to prevent damage to the microphone.

Datasheet:
For detailed technical specifications, refer to the Condenser Microphone Datasheet.