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SP0103NC3-2 from KNOWLES

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SP0103NC3-2

Manufacturer: KNOWLES, Knowles Acou

SP0103 Series with Integrated Amplifier

Partnumber Manufacturer Quantity Availability
SP0103NC3-2,SP0103NC32 KNOWLES, Knowles Acou 605 In Stock

Description and Introduction

SP0103 Series with Integrated Amplifier The part **SP0103NC3-2** is manufactured by **Knowles**. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Type:** MEMS Microphone  
- **Package Type:** Surface Mount (SMD)  
- **Directionality:** Omnidirectional  
- **Sensitivity:** -38 dBV/Pa (typical)  
- **Frequency Response:** 100 Hz – 20 kHz  
- **Signal-to-Noise Ratio (SNR):** 62 dB (typical)  
- **Power Supply Voltage:** 1.5V – 3.6V  
- **Current Consumption:** 150 µA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Dimensions:** 3.35 mm x 2.50 mm x 0.98 mm  

### **Descriptions:**  
- The **SP0103NC3-2** is a low-power, high-performance MEMS microphone designed for portable and compact electronic devices.  
- It features a bottom-port configuration, making it suitable for applications where space is limited.  
- The microphone includes an analog output for easy integration into audio circuits.  

### **Features:**  
- **Low Power Consumption:** Optimized for battery-operated devices.  
- **High SNR:** Ensures clear audio capture with minimal noise.  
- **Omnidirectional Pickup:** Captures sound uniformly from all directions.  
- **Robust Design:** Resistant to mechanical shocks and vibrations.  
- **RoHS Compliant:** Meets environmental standards.  

For exact application notes or additional details, refer to the **Knowles datasheet** for **SP0103NC3-2**.

Application Scenarios & Design Considerations

SP0103 Series with Integrated Amplifier

Alternative Part Number

  • FG-23329-P07 --: Knowles MEMS microphone in the same family with comparable sensitivity and size, widely used as a drop-in replacement for SP-series parts.
  • ICS-43434 --: Digital MEMS microphone with similar acoustic performance and small footprint, a common cross-vendor alternative when the original is unavailable.
  • SPH0645LM4H-B --: Knowles digital MEMS microphone offering similar sensitivity and package size, suitable as a functional substitute in most designs.
  • SPU0410LR5H-QB --: Miniature MEMS microphone with similar acoustic performance and package footprint, widely used as a drop-in replacement in voice-capture designs.

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