AMM-2742-T-R

$1.37

Description：MIC MEMS ANALOG OMNI -42DB
Series：-
Mfr：PUI Audio, Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:50e2dc8a2706 Category: Microphones Brand: PUI Audio, Inc.

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Product introduction

Product Detailed Parameters

Description：MIC MEMS ANALOG OMNI -42DB
Series：-
Mfr：PUI Audio, Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
Type：MEMS (Silicon)
Output Type：Analog
Direction：Omnidirectional
Frequency Range：20 Hz ~ 20 kHz
Sensitivity：-42dB ±1dB
S/N Ratio：59dB
Impedance：300 Ohms
Voltage Range：1.5 V ~ 3.6 V
Current - Supply：150 µA
Port Location：Top
Ratings：-
Termination：Solder Pads
Size / Dimension：0.108" L x 0.073" W (2.75mm x 1.85mm)
Height (Max)：0.039" (1.00mm)
Shape：Rectangular
Grade：-
Qualification：-
Voltage - Rated：2 V

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AMM-2742-T-R

Overview

The AMM-2742-T-R is an omnidirectional MEMS microphone manufactured by PUI Audio. It operates at a supply voltage of 2 VDC and features a sensitivity of -42 dB with an impedance of 300 ohms. The component measures 2.75 mm in length, 1.85 mm in width, and 1 mm in depth. It offers IP57 environmental protection and is available in cut tape or reel packaging formats.

Feature Summary

Omnidirectional acoustic design for uniform sound capture
IP57 rated environmental sealing for durability
Low power consumption suitable for portable devices

Applications

Voice recognition systems
Mobile communication devices
Consumer electronics audio input

Procurement Notes

Verify the specific suffix against official documentation to confirm exact packaging configuration and manufacturing lot details. Ensure compatibility with existing PCB footprints and soldering profiles. Confirm availability through authorized distributors as stock levels fluctuate. Cross-reference the manufacturer part number with datasheet revisions to ensure functional equivalence.

Selection Notes

Select this component when a compact, low-power omnidirectional microphone is required. The 2 VDC operating voltage suits battery-powered applications. Verify that the 300 ohm impedance matches the input requirements of the host amplifier circuit. Consider the IP57 rating if exposure to moisture or dust is possible during operation.

Part Context

This MEMS microphone belongs to the AMM series from PUI Audio, designed for integration into space-constrained electronic assemblies. It serves as an acoustic transducer converting sound pressure into electrical signals for processing.