Data Sheet

4

V1.1, 2008-05-28

SMM310

Silicon MEMS Microphone

Silicon MEMS Microphone

Applications

The SMM310 is designed for

•

Mobile Phones (Handsets, Headsets)

•

Consumer (Game Consoles, PDA’s)

•

Computer (Personal Computers, Notebooks)

•

Cameras (Digital Still Cameras, Video Cameras)

Product Description

Miniature Silicon MEMS (Micro Electro Mechanical System) omni-directional Microphone with single-ended

analog interface designed for automated reflow soldering assembly as SMD (Surface Mounted Device)

component. It is an alternative to conventional ECMs (Electret Condenser Microphones).

Due to its robust design with a metallic lid and monolithic integrated EMI-blocking capacitors and utilization of

Silicon MEMS technology, the SMM310 shows high immunity to EMI (Electromagnetic Interference) and heat.

The capped Chip-On-Board package solution contains the micromechanical sensor chip and an amplifier chip.

Figure 1

Block Diagram

Features

•

SMD MEMS microphone for automated surface mount assembly

•

Reflow soldering up to 260 °C (lead free)

•

High long-term temperature stability

•

Stable sensitivity over power supply range of 1.5 - 3.3 V

•

Low current consumption of 80

µA

•

Excellent power supply rejection of -55 dB

•

High integrated immunity to EMI

•

RoHS-compliant, halogen-free package with small footprint and

low height of 1.25 mm

Type

Package

Marking

SMM310

HG-MMA-4-2

S310

VDD (4)

OUT (1)

GND (2,3)