AMM-3538-2-B

$2.16

Description：ANALOG MICROPHONE -38DB 1.6VDC
Series：AMM
Mfr：PUI Audio, Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:95c4f97b8b73 Category: Microphones Brand: PUI Audio, Inc.

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Product introduction

Product Detailed Parameters

Description：ANALOG MICROPHONE -38DB 1.6VDC
Series：AMM
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：-38dB ±1dB @ 94dB SPL
S/N Ratio：66dB
Impedance：300 Ohms
Voltage Range：1.6 V ~ 3.6 V
Current - Supply：110 µA
Port Location：Top
Ratings：-
Termination：Solder Pads
Size / Dimension：0.108" L x 0.073" W (2.75mm x 1.85mm)
Height (Max)：0.043" (1.10mm)
Shape：Rectangular
Grade：-
Qualification：-
Voltage - Rated：2 V

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AMM-3538-2-B

Overview

The AMM-3538-2-B is an analog MEMS microphone manufactured by PUI Audio. It features a sensitivity of -38 dB and a signal-to-noise ratio (SNR) of 66 dB. The device operates at a voltage of 2 VDC with a current consumption of 200 uA. Its frequency range spans from 20 Hz to 20 kHz, and it has an impedance of 300 ohms. The physical dimensions are 3.5 mm in length, 2.65 mm in width, and 1 mm in depth. It supports an operating temperature range from -40°C to +85°C.

Feature Summary

Omnidirectional acoustic design for consistent sound capture across angles
Low power consumption suitable for battery-operated portable devices
High signal-to-noise ratio for clear audio reproduction in noisy environments

Applications

Voice recognition systems
Mobile communication devices
Consumer electronics audio input

Procurement Notes

Verify the specific suffix 'B' against the manufacturer's latest datasheet to confirm package type and tape/reel specifications. Ensure compatibility with 2V supply rails and check RoHS compliance status for your region. Confirm lead times directly with authorized distributors as availability fluctuates.

Selection Notes

Select this component when a low-profile analog MEMS microphone is required for space-constrained designs. The 2V operating voltage distinguishes it from 1.8V or 3.3V variants. Consider the 300-ohm impedance for interface matching with preamplifiers. Verify that the 20Hz-20kHz bandwidth meets the application's audio fidelity requirements.

Part Context

This part belongs to PUI Audio's AMM series of analog MEMS microphones. These components are designed for general-purpose audio sensing applications. The series offers various sensitivity and voltage options to suit different system architectures and power budgets.