AMM-3738-T

$2.16

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

SKU:9bd2c8f734c7 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：65dB
Impedance：300 Ohms
Voltage Range：1.6 V ~ 3.6 V
Current - Supply：112 µA
Port Location：Top
Ratings：-
Termination：Solder Pads
Size / Dimension：0.148" L x 0.116" W (3.76mm x 2.95mm)
Height (Max)：0.047" (1.20mm)
Shape：Rectangular
Grade：-
Qualification：-
Voltage - Rated：2 V

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AMM-3738-T

Overview

The AMM-3738-T is an omnidirectional MEMS microphone manufactured by PUI Audio. It features a sensitivity of -38 dB and a signal-to-noise ratio of 65 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 component supports an analog output type and functions within a temperature range of -40°C to +85°C. Physical dimensions are 3.76 mm in length, 2.95 mm in width, and 1.1 mm in depth.

Feature Summary

Omnidirectional acoustic pickup pattern for uniform sound capture
Low power consumption suitable for battery-operated devices
Analog output interface for direct signal processing

Applications

Portable consumer electronics
Voice recognition systems
Handheld communication devices

Procurement Notes

Verify the specific manufacturer part number against official PUI Audio documentation to ensure accuracy. Confirm that the required operating voltage and current specifications align with the target circuit design. Check for RoHS compliance status if environmental regulations apply to the final assembly. Ensure the analog output format matches the input requirements of the connected audio processing unit.

Selection Notes

Select this component when a low-profile MEMS microphone with high signal-to-noise ratio is required. The 2VDC operating voltage makes it suitable for low-power applications. Consider the physical dimensions for tight space constraints. Verify compatibility with the desired frequency response range for voice-centric applications.

Part Context

This component belongs to the PUI Audio MEMS microphone product line. It is designed as a surface-mount device for integration into compact electronic assemblies. The series offers various sensitivity and voltage options to suit different application needs.