CMM-3526D-261-I2S-TR

Description：MIC MEMS DIGITAL I2S OMNI -26DB
Series：CMM
Mfr：Same Sky (Formerly CUI Devices)
Package：Tape & Reel (TR)

SKU:f06e4193ad2e Category: Microphones Brand: Same Sky (Formerly CUI Devices)

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Product introduction

Product Detailed Parameters

Description：MIC MEMS DIGITAL I2S OMNI -26DB
Series：CMM
Mfr：Same Sky (Formerly CUI Devices)
Package：Tape & Reel (TR)
Type：MEMS (Silicon)
Output Type：Digital, I2S
Direction：Omnidirectional
Frequency Range：100 Hz ~ 10 kHz
Sensitivity：-26dB ±1dB
S/N Ratio：64dB
Impedance：-
Voltage Range：1.6 V ~ 3.6 V
Current - Supply：1 mA
Port Location：Bottom
Ratings：-
Termination：Solder Pads
Size / Dimension：0.138" L x 0.104" W (3.50mm x 2.65mm)
Height (Max)：0.043" (1.08mm)
Shape：Rectangular
Grade：-
Qualification：-
Voltage - Rated：1.8 V

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CMM-3526D-261-I2S-TR

Overview

The CMM-3526D-261-I2S-TR is a MEMS microphone manufactured by Same Sky. It features an I2S digital output interface and operates within a voltage range of 1.6 V to 3.6 V. The device provides a sensitivity of -26 dB ±3 dB at 94 dB SPL. Its frequency response spans from 100 Hz to 10 kHz, with a signal-to-noise ratio of 65 dB. The component utilizes solder pad termination and measures 3.50 mm in length, 2.65 mm in width, and has a maximum height of 0.99 mm.

Feature Summary

Digital I2S output interface for direct connection to processors
High signal-to-noise ratio for clear audio capture
Omni-directional acoustic port design
RoHS compliant construction

Applications

Voice recognition systems
Smart home devices
Portable audio recorders
IoT communication modules

Procurement Notes

Verify the specific suffix 'I2S-TR' confirms the digital interface and tape-and-reel packaging. Confirm RoHS3 compliance status through official certification documents. Ensure ESD handling protocols are followed during assembly due to the sensitive MEMS structure.

Selection Notes

Select this model when a digital output is required to simplify system architecture. Compare sensitivity and SNR against analog alternatives for noise performance. Verify the operating voltage range matches the target system's power supply capabilities.

Part Context

This component belongs to the CMM series of MEMS microphones from Same Sky. It represents a transition from analog to digital interfaces, offering improved noise immunity. The series includes various sensitivity options and package sizes for different form factor constraints.

Replacement Considerations

Check for CMM-3526D-261-I2S variants with different packaging or sensitivity if exact match is unavailable. Verify pin compatibility and software driver support for alternative digital microphones.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.

Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.

Mode of Transportation

We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.

Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.