For order or price inquiry of CMR-4015-44-SP CUI Devices Please click on Buy Order button and fill the RFQ form we will check out inventory and offer you our best price .
Quick Access
About
The CMR-4015-44-SP is a high-performance electret condenser microphone designed for a variety of audio applications, including consumer electronics, communication devices, and professional audio equipment. Known for its compact size and excellent sound quality, this microphone is ideal for projects requiring reliable audio capture in a small form factor.
Key Features
- Type: Electret Condenser Microphone
- Size: 4.0 mm x 1.5 mm (diameter x height)
- Polar Pattern: Omnidirectional
- Frequency Response: 100 Hz to 10 kHz
- Sensitivity: -42 dB ± 3 dB (0 dB = 1 V/Pa at 1 kHz)
- Impedance: 2.2 kΩ
- Power Supply Voltage: 1.5V to 10V DC
- Current Consumption: 0.5 mA (typical)
- Signal-to-Noise Ratio: 60 dB (typical)
- Operating Temperature Range: -20°C to +70°C
- Storage Temperature Range: -30°C to +85°C
Specifications
| Specification | Details |
|---|---|
| Manufacturer | CUI Devices |
| Part Number | CMR-4015-44-SP |
| Series | CMR Series |
| Product Category | Microphones |
| Product Type | Electret Condenser Microphone |
| Current Rating | 0.5 mA (typical) |
| Termination Style | Surface Mount |
| Sensitivity | -42 dB ± 3 dB (0 dB = 1 V/Pa at 1 kHz) |
| Operating Supply Voltage | 1.5V to 10V DC |
| Type | Electret Condenser Microphone |
| Size | 4.0 mm x 1.5 mm (diameter x height) |
| Polar Pattern | Omnidirectional |
| Frequency Response | 100 Hz to 10 kHz |
| Impedance | 2.2 kΩ |
| Signal-to-Noise Ratio | 60 dB (typical) |
| Operating Temperature | -20°C to +70°C |
| Storage Temperature | -30°C to +85°C |
| Output Voltage | AC coupled output |
| Output Impedance | 2.2 kΩ |
| Maximum SPL | 120 dB SPL (1 kHz, THD < 1%) |
| Noise Level | 28 dBA (typical) |
| Weight | Approximately 0.2 grams |
| Applications | Consumer electronics, voice recognition systems, hearing aids, communication devices, audio recording equipment |
Applications
The CMR-4015-44-SP microphone is designed for a wide range of applications due to its compact size, high sensitivity, and excellent audio quality. Here are some of the key applications:
- Consumer Electronics:
- Smartphones: Used for voice calls, voice recognition, and audio recording.
- Tablets and Laptops: Ideal for video conferencing, voice commands, and multimedia applications.
- Voice Recognition Systems:
- Integrated into smart home devices, virtual assistants, and other voice-activated technologies for accurate sound capture and recognition.
- Hearing Aids:
- Utilized in hearing aids to amplify sound for users, providing clear audio in various environments.
- Communication Devices:
- Intercoms: Used in intercom systems for clear audio transmission.
- Headsets: Integrated into headsets for gaming, telecommunication, and multimedia applications.
- Audio Recording Equipment:
- Suitable for portable audio recorders, musical instruments, and other recording devices where high-quality sound capture is essential.
- Medical Devices:
- Employed in medical equipment for monitoring and communication purposes, ensuring clear audio in clinical settings.
- Security Systems:
- Used in surveillance and monitoring systems to capture audio in security applications.
- Robotics:
- Integrated into robotic systems for sound detection and interaction, enhancing the capabilities of robots in various environments.
- Automotive Applications:
- Used in hands-free communication systems and voice-activated controls within vehicles.
- Educational Tools:
- Employed in devices designed for language learning, interactive teaching aids, and other educational technologies.
Benefits
The CMR-4015-44-SP microphone offers several advantages that make it a preferred choice for various audio applications. Here are some key benefits:
- High Sensitivity:
- With a sensitivity of -42 dB ± 3 dB, the microphone captures sound clearly and accurately, making it ideal for voice and audio applications.
- Compact Design:
- Its small size (4.0 mm x 1.5 mm) allows for easy integration into space-constrained devices, such as smartphones, tablets, and wearables.
- Omnidirectional Polar Pattern:
- The omnidirectional design enables the microphone to pick up sound from all directions, making it suitable for applications where the sound source may vary in position.
- Wide Frequency Response:
- A frequency response range of 100 Hz to 10 kHz ensures that the microphone can capture a broad spectrum of audio frequencies, enhancing overall sound quality.
- Low Power Consumption:
- Operating at a typical current rating of 0.5 mA, the microphone is energy-efficient, making it ideal for battery-operated devices and applications where power conservation is critical.
- Robust Performance:
- With a maximum sound pressure level (SPL) of 120 dB, the microphone can handle loud sounds without distortion, ensuring reliable performance in various environments.
- Versatile Applications:
- The microphone is suitable for a wide range of applications, including consumer electronics, voice recognition systems, hearing aids, and communication devices, making it a versatile choice for developers.
- Temperature Resilience:
- Operating temperature range of -20°C to +70°C and storage temperature range of -30°C to +85°C ensure that the microphone can function reliably in diverse environmental conditions.
- Easy Integration:
- The surface mount design simplifies the integration process into electronic circuits, allowing for quick and efficient assembly in manufacturing.
- High Signal-to-Noise Ratio:
- A signal-to-noise ratio of 60 dB (typical) contributes to clear audio capture with minimal background noise, enhancing the overall listening experience.
- Cost-Effective Solution:
- The combination of high performance, reliability, and compact size makes the CMR-4015-44-SP a cost-effective solution for manufacturers and developers looking to enhance audio capabilities in their products.
These benefits make the CMR-4015-44-SP microphone an excellent choice for engineers and developers seeking a high-quality, reliable audio capture solution for a variety of applications.
Comparison with Similar Products
When evaluating the CMR-4015-44-SP microphone from CUI Devices, it’s useful to compare it with similar microphones in the market. Below is a comparison with two other popular electret condenser microphones: the Knowles SPH0645LM4H and the Adafruit I2S MEMS Microphone.
| Feature | CMR-4015-44-SP | Knowles SPH0645LM4H | Adafruit I2S MEMS Microphone |
|---|---|---|---|
| Manufacturer | CUI Devices | Knowles | Adafruit |
| Type | Electret Condenser Microphone | MEMS Microphone | MEMS Microphone |
| Size | 4.0 mm x 1.5 mm | 3.76 mm x 2.95 mm | 3.6 mm x 2.6 mm |
| Polar Pattern | Omnidirectional | Omnidirectional | Omnidirectional |
| Frequency Response | 100 Hz to 10 kHz | 100 Hz to 10 kHz | 20 Hz to 20 kHz |
| Sensitivity | -42 dB ± 3 dB | -26 dB ± 3 dB | -26 dB ± 3 dB |
| Impedance | 2.2 kΩ | 2.2 kΩ | 32 kΩ |
| Power Supply Voltage | 1.5V to 10V DC | 1.5V to 3.6V DC | 1.8V to 3.6V DC |
| Current Consumption | 0.5 mA (typical) | 0.5 mA (typical) | 3.5 mA (typical) |
| Maximum SPL | 120 dB SPL | 120 dB SPL | 120 dB SPL |
| Signal-to-Noise Ratio | 60 dB (typical) | 65 dB (typical) | 60 dB (typical) |
| Operating Temperature Range | -20°C to +70°C | -40°C to +85°C | -40°C to +85°C |
| Mounting Type | Surface Mount | Surface Mount | Through Hole |
| Applications | Consumer electronics, voice recognition, hearing aids | Smartphones, tablets, wearables | Microcontrollers, Raspberry Pi, Arduino |
Key Comparisons
- Type:
- The CMR-4015-44-SP and Knowles SPH0645LM4H are both electret condenser microphones, while the Adafruit microphone is a MEMS type. MEMS microphones are typically smaller and more robust but may have different acoustic characteristics.
- Size:
- The CMR-4015-44-SP is slightly larger than the Knowles microphone but still compact. The Adafruit microphone is the smallest of the three.
- Sensitivity:
- The CMR-4015-44-SP has a lower sensitivity (-42 dB) compared to the Knowles and Adafruit microphones (-26 dB). This means the latter two may capture quieter sounds more effectively.
- Power Supply Voltage:
- The CMR-4015-44-SP operates at a wider voltage range (1.5V to 10V) compared to the other two, which may be beneficial for applications with varying power supply conditions.
- Current Consumption:
- The CMR-4015-44-SP and Knowles microphones have similar current consumption (0.5 mA), while the Adafruit microphone consumes more power (3.5 mA), which may be a consideration for battery-operated devices.
- Operating Temperature Range:
- All three microphones have a wide operating temperature range, but the Knowles and Adafruit microphones can operate in more extreme conditions (-40°C to +85°C).
- Applications:
- All three microphones are suitable for consumer electronics and voice recognition applications, but the CMR-4015-44-SP is particularly noted for its use in hearing aids and communication devices.
Conclusion
The CMR-4015-44-SP microphone offers a good balance of performance, size, and versatility, making it suitable for a wide range of applications. While it may not have the highest sensitivity compared to some MEMS microphones, its robust design and wide operating voltage range make it a reliable choice for developers. When selecting a microphone, consider the specific requirements of your application, including size constraints, power consumption, and environmental conditions. For more detailed specifications and integration guidelines, refer to the official datasheets of each product.
Datasheet
CMR-4015-44-SP CUI Devices Datasheet
Contact us for more information
Contact us for more information and stock inventory inquiry of CMR-4015-44-SP CUI Devices.
China Email : info@tg-microchip.com
Hong Kong Email : hk@tg-microchip.com
Russia Email : russia@tg-microchip.com