Datasheet > ICS-40618

ICS-40618

更新时间： 2024-11-15 11:13:11

品牌	Logo	应用领域
东电化 - TDK		商用集成电路
页数	文件大小	规格书
16页	847K
描述
MEMS麦克风(麦克风)

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ICS-40618 数据手册

ICS‐40618

High Dynamic Range Microphone with Differential Output and Low Power

GENERAL DESCRIPTION

APPLICATIONS

The ICS‐40618 is an analog MEMS microphone with very high

dynamic range and a low‐power AlwaysOn mode. The ICS‐

40618 includes a MEMS microphone element, an impedance

converter, and a differential output amplifier.



Smartphones

“AlwaysOn” listening

Wearable devices

Still and video cameras

IoT devices

This microphone features a low‐power mode, which is active

when the supply voltage is <2.0 V. In this mode, the

ICS‐40618 operates with 55 µA.

FEATURES

SPEC

HIGH PERFORMANCE

MODE

LOW‐POWER

MODE

67 dBA

55 µA

129 dB SPL

Other high‐performance specifications include 132 dB SPL

acoustic overload point in high performance mode, tight

±1 dB sensitivity tolerance and enhanced immunity to both

radiated and conducted RF interference.

SNR

Current

AOP

67 dBA

165 µA

132 dB SPL

The ICS‐40618’s electro‐acoustic performance matches the

top port ICS‐40619, making this pair of microphones suitable

to use together in applications requiring both top and bottom

port devices.



Differential non‐inverting analog output

−38 dBV sensitivity (differential)

±1 dB sensitivity tolerance

Extended frequency response from 50 Hz to 20 kHz

Enhanced RF immunity

The ICS‐40618 is available in a small 3.50 mm × 2.65 mm ×

0.98 mm bottom port surface‐mount package.

−85 dB PSRR

3.50 × 2.65 × 0.98 mm surface‐mount package

Compatible with Sn/Pb and Pb‐free solder processes

RoHS/WEEE compliant

FUNCTIONAL BLOCK DIAGRAM

ORDERING INFORMATION

PART

ICS‐40618

TEMP RANGE

−40°C to +85°C

PACKAGING

13” Tape and Reel

EV_ICS‐40618‐FX

—

OUTPUT+

OUTPUT

AMPLIFIER

OUTPUT−

LOW-POWER

MODE SWITCHING

POWER

ICS-40618

VDD GND

InvenSense Inc.

1745 Technology Drive, San Jose, CA 95110 U.S.A

+1(408) 988–7339

InvenSense reserves the right to change the detail

specifications as may be required to permit

improvements in the design of its products.

Document Number: DS‐000044

Revision: 1.0

Release Date: 3/21/2016

www.invensense.com

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