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Electret Condenser Microphone – Omnidirectional, -36dB
This electret condenser microphone is designed for general analog audio capture, voice input, intercom devices, access control systems, and consumer electronics. It features omnidirectional pickup, -36dB typical sensitivity, 2.2kΩ impedance, and a wide 1.0V–10V operating voltage range. It can also be used with the CamThink NE Sensor Expansion Board for prototyping.
1. -36dB Typical Sensitivity
Provides stable audio output for voice capture and ambient sound sensing, with a sensitivity range of -39dB to -33dB at 1kHz / 1Pa.
2. Omnidirectional Pickup
Captures sound from all directions, making it suitable for non-directional voice input, compact devices, and flexible installation layouts.
3. 2.2kΩ Standard Impedance
Designed for common microphone bias circuits and analog audio front-end designs, with 2.2kΩ load resistance under standard test conditions.
4. Wide 1.0V–10V Supply Range
Supports a broad operating voltage range for different analog systems, with 2.0V used as the standard test voltage.
5. Low Current Consumption
Typical current consumption is 50µA, making it suitable for low-power audio capture applications and compact embedded devices.
SKU: 27.000.000009
Category: Accessories
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Overview
The DGO6027DD(-L)CR is a standard electret condenser microphone for analog audio input and voice capture applications. It uses an omnidirectional pickup pattern and provides -36dB typical sensitivity, making it suitable for intercom systems, access control devices, small recording front ends, toys, and consumer electronics.
The microphone supports a 1.0V to 10V operating voltage range, 2.2kΩ impedance, and low typical current consumption of 50µA. It is suitable for conventional microphone bias circuits and analog front-end amplifier designs.
For evaluation and integration, the recommended test condition is VS=2.0V with RL=2.2kΩ. Proper ESD protection and controlled soldering conditions are recommended during assembly.
Key Specifications
| Item | Specification |
|---|---|
| Model | DGO6027DD(-L)CR |
| Product Type | Electret condenser microphone |
| Directivity | Omnidirectional |
| Sensitivity | -36dB typical, -39dB to -33dB @ 1kHz / 1Pa |
| Impedance | 2.2kΩ |
| Operating Current | 50µA typical, 500µA max |
| Operating Voltage | 1.0V to 10V |
| Standard Test Voltage | 2.0V |
| Load Resistance | 2.2kΩ |
| Signal-to-Noise Ratio | 55dB(A) |
| Sensitivity Reduction | 3dB, VS=2.0V to 1.5V |
| Max Input SPL | 110dB, 3% distortion @ 1kHz |
| Operating Temperature | -20°C to 60°C |
| Storage Temperature | -30°C to 70°C |
Application Notes
Use with standard analog microphone bias and pre-amplifier circuits. The recommended test condition is VS=2.0V, RL=2.2kΩ. During soldering, keep the soldering iron temperature at or below 320°C and limit each soldering operation to less than 3 seconds. Avoid applying excessive mechanical pressure to the microphone housing or contact structure.
Recommended Applications
- Voice capture devices
- Intercom systems
- Access control terminals
- Consumer electronics
- Toy audio input
- Small analog recording front ends
- Embedded audio sensing prototypes
| Weight | 0.2 kg |
|---|---|
| Dimensions | 10 × 10 × 5 cm |
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