Condenser Mic

Description

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:

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.
Integration:
Place the microphone in a suitable location to capture sound effectively.
Embed the microphone in devices ensuring the sound entry is not obstructed.
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.