Datasheet > AN-000088

AN-000088

更新时间： 2024-09-16 01:25:23

品牌	Logo	应用领域
东电化 - TDK		/
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3页	146K
描述
I2S Output MEMS Microphone Flex Evaluation Board

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AN-000088 数据手册

AN‐000088

I²S Output MEMS Microphone Flex Evaluation Board

GENERAL DESCRIPTION

EVALUATION BOARD CIRCUIT

This user guide applies to the following MEMS microphone

evaluation boards:

Figure 1 show the schematics of the evaluation board, and

Figure 2 shows the board layout. See the microphone data

sheets for complete descriptions and specifications.



EV_ICS‐43434‐FX

This is a simple board that allows quick evaluation of the

performance of the ICS‐43434 MEMS microphone. The small

size and low profile of the flexible PCB enables direct

placement of the microphone into a prototype or an existing

design for an in situ evaluation. The board consists of an I²S‐

output microphone soldered to a flexible PCB. The only other

component on the board is a 0.1 μF supply bypass capacitor.

VDD

ICS‐43434

VDD

GND

SCK

0.1µF

GND

L/R

The flex PCB design mates to a 6‐position ZIF connector with

0.5 mm pin spacing, such as the Molex 0527450697

connector. The flex PCB mates to the connector by first

pulling out the connector’s clamp, inserting the flex PCB, and

then pushing the clamp closed. Wires can be soldered directly

to this connector’s pins or it can be mounted directly on a

rigid PCB for evaluation. We recommend to use 28 AWG or

smaller wire for soldering to this connector’s pins. The PCB

thickness at the pin edge is 0.3 mm.

Figure 1. EV_ICS‐43434‐FX Evaluation Board Schematic

Figure 2. EV_ICS‐43434‐FX Evaluation Board Layout (Top View)

TABLE 1. PIN FUNCTION DESCRIPTIONS

Flex PCB pad

(Top to

Bottom, see Mic

Figure 2)

Description

Left/right channel select

Word select for I²S interface

Serial digital output signal for I²S interface

Serial clock for I²S interface

Power, 1.62 to 3.63 V

Ground

SCK

VDD

GND

Figure 3. Evaluation Board Dimensions in Millimeters

InvenSense Inc.

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

+1(408) 988–7339

Document Number: AN‐000088

Revision: 1.0

Release Date: 04/26/2016

InvenSense reserves the right to change the detail

specifications as may be required to permit

improvements in the design of its products.

www.invensense.com

12 3

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