I²S Digital Output MEMS Microphone – 4×3×1.1mm

Name: I²S Digital Output MEMS Microphone - 4×3×1.1mm - ECMIC
SKU: ECM-M4030B261
Price: 1.00 USD
Availability: InStock

ECM-M4030B261 I2S digital MEMS microphone top view

ECM-M4030B261 features I2S output high SNR low power

ECM-M4030B261 frequency response curve and mechanical dimensions

ECMIC microphones 12,000 m² factory with 6M+ units monthly output and ISO/CE certifications

ECMIC microphones automated production line overview, showing assembly and quality control process

High-performance I²S digital MEMS microphone with 64dB SNR, 120dB AOP, and -26dBFS ±1dB sensitivity. Ideal for microphone arrays, smart TVs, and teleconferencing systems requiring precise channel matching.

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🧪 Sample

Standard model free
Shipping cost applies

🧭 Trial Order

From 200 pcs
Test before full order

📦 MOQ

3,000 pcs
Full order minimum

Model: ECM-M4030B261
Dimensions: 4.00 × 3.00 × 1.10 mm
Directivity: Omnidirectional
Sensitivity: -26 dB ± 1
S/N Ratio: 64 dB
Max SPL: 120 dB
Operating Voltage: 2 Vdc
Frequency Response: 100 Hz ~ 10 kHz
Current Consumption: 750 μA

Tags: High-SNR Mics I²S Mics MEMS Mics

Technical Specifications

The ECM-M4030B261 is a high-performance I²S digital output MEMS microphone with 64dB SNR and -26dBFS ±1dB sensitivity. It features a 120dB SPL acoustic overload point, ensuring distortion-free recording even in high-volume environments. Operating voltage ranges from 1.65V to 3.6V with typical current consumption of 750μA. The I²S interface supports 24-bit audio and simplifies direct connection to digital processors. With ±1dB sensitivity tolerance, it enables high-performance microphone arrays without system calibration.

Application Scenarios

Microphone arrays for smart televisions and teleconferencing systems requiring precise channel matching.
Gaming consoles and remote controls where high-quality voice capture is essential.
Internet of Things (IoT) devices needing reliable far-field voice pickup with RF protection.

Recommended Interface Circuit

Standard Test Circuit

Frequency Response Curve

Typical Frequency Response

Dimensions (UNIT: mm)

Appearance Dimension

Packaging Overview

Use ESD-safe reel and carrier tape for packing.
Quantity per reel: 5,000 pcs.
Each reel is sealed in a moisture-proof, anti-static bag.
Strict anti-static procedures are followed during the packing process.
Label includes model number, quantity, lot number, and manufacturing date.

Reliability Tests

Thermal Shock: 100 cycles of air-air thermal shock from -40℃ to +100℃ with 15-minute soaks.

High Temperature Bias: +125℃ environment while under bias for 1000 hours.

Low Temperature Bias: -40℃ environment while under bias for 1000 hours.

Temperature/Humidity Bias: +85℃/85% relative humidity environment while under bias for 1000 hours.

Mechanical Shock: 3 pulses of 10,000g in the X, Y, and Z directions.

Vibration Test: 10～60Hz: 0.35mm; 60～500Hz: 5g, 1 octave/min, Duration: 15 minutes per plane.

Drop Test: 1.5-meter height onto a concrete surface in three directions while in packaging.

Reflow: 5 reflow cycles with a peak temperature of +260℃.

ESD Protection: 150pF, 330Ohm, contact discharge ±2KV/air discharge ±4KV, 10 times, applying voltage to I/O pins.

Sampling Process

Confirm customer requirements:

Review product application, microphone capsule specifications, usage scenarios, and sound quality needs.

Recommend and specify:

Provide recommended microphone capsule models and detailed specifications for customer evaluation.

Sample provision and testing:

Deliver microphone samples for customer testing and feedback purposes.

Optimize and finalize:

Refine microphone design based on feedback, finalize samples, and proceed to mass production upon quality approval.

Quality Assurance

Conducting sampling inspections of incoming materials to ensure compliance with standard requirements.

Performing inspection audits to ensure the stability and control of the entire manufacturing process.

Conducting pre-shipment inspections to ensure that products meet established quality standards.

Acoustic Laboratory

Testing of background noise, sensitivity, frequency response curve, and directionality indicators.

Verification of the impact of different circuits, structural dimensions, materials, and processes on indicators.

Reliability testing at both the new product design stage and the mass production regular stage.

Automatic Workshop

Utilizing fully automated production lines to ensure high efficiency and consistency.

Equipped with state-of-the-art facilities, including a 10,000-level dust-free workshop.

Employing a rigorous 21-step process to guarantee product stability.