Murata PKGX-16-4021 Manual de usuario

Operation manual

PKGX-16-4021

Attention:

This datasheet is downloaded from the website of Murata Manufacturing Co., Ltd.

Therefore, it’s specifications are subject to change or our products in it may be discontinued without advance notice.

Please check with our sales representatives or product engineers before ordering.

1 / 14

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Doc..No. DM-G17-001 Rev.1 201607

Operation Manual

Evaluation Board for Shock Sensor

PKGX-16-4021

Photo

Overview

This document describes the operation manual for the evaluation board (PKGX-16-4021) for Shock Sensor produced

by Murata Manufacturing Co., Ltd. Shock Sensor is one of the acceleration sensors based on piezo ceramic.

PKGX-16-4021 has wide bandwidth due to high resonance frequency of Shock Sensor based on Murata ceramic and

process technology.

This board helps you to evaluate Shock Sensor.

Features

You can start to evaluate Shock Sensor easily with

this evaluation board. Its features are;

・Wide bandwidth 100Hz～16.7kHz

・±10g measurement range at 5.0V supply voltage

・2.7～5.0V supply voltage

・Analog out

・Size 17.0×12.5×4.0 mm (w×l×h)

Applications

PKGX-16-4021 is targeted to detect vibration for

applications with high frequency range requirements.

・Vibration monitoring for preventive maintenance

・Abnormal bearing vibration detection

・Abnormal motor vibration detection

Operation manual

PKGX-16-4021

Attention:

This datasheet is downloaded from the website of Murata Manufacturing Co., Ltd.

Therefore, it’s specifications are subject to change or our products in it may be discontinued without advance notice.

Please check with our sales representatives or product engineers before ordering.

2 / 14

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Doc..No. DM-G17-001Rev.1 201607

TABLE OF CONTENT

1. Introduction 3

1.1 Functional Brock Diagram

1.2 Functional Brock Layout Diagram

2. Evaluation Procedures 4

3. Electrical Specification and Board Information 5

3.1 Input and Output Terminal

3.2 Electrical Specification

3.3 Circuit Diagram

3.4 Bill of Materials

3.5 External Dimension

3.6 Board Layout

4. Precautions 13

4.1 Precautions when in use

4.2 Other precautions

Operation manual

PKGX-16-4021

Attention:

This datasheet is downloaded from the website of Murata Manufacturing Co., Ltd.

Therefore, it’s specifications are subject to change or our products in it may be discontinued without advance notice.

Please check with our sales representatives or product engineers before ordering.

3 / 14

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Doc..No. DM-G17-001Rev.1 201607

1. Introduction

This document describes the evaluation board for Shock Sensor.

1.1Functional Block Diagram

Fig.1 shows the functional block diagram of evaluation board

Fig.1 Functional Block Diagram

1.2Functional Block Layout Diagram

Fig.2 shows the functional block layout of the evaluation board.

Fig.2 Functional Block Layout Diagram

Operation manual

PKGX-16-4021

Attention:

This datasheet is downloaded from the website of Murata Manufacturing Co., Ltd.

Therefore, it’s specifications are subject to change or our products in it may be discontinued without advance notice.

Please check with our sales representatives or product engineers before ordering.

4 / 14

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Doc..No. DM-G17-001Rev.1 201607

2. Evaluation Procedure

The following shows an example of the evaluation procedure to use this evaluation board.

①Attach this board to the target of measurement with superglue.

Note1: Put superglue on whole surface of back side evaluation board and put uniformly-flat, in order that

the acceleration which you want to get can transact to the evaluation board.

Note2; If you want to remove this evaluation board from a target to use repeatedly, it is convenient to use a

polyimide tape. Apply polyimide tape to a target and this evaluation board, and then apply superglue to the

polyimide tape.

Note3: Do NOT use a double-sided tape because it can be a buffer.

②Supply predefined voltage (2.7～5.0V) to the board through Vcc and GND at I/O terminal.

③Connect oscilloscope to AOUT.

Operation manual

PKGX-16-4021

Attention:

This datasheet is downloaded from the website of Murata Manufacturing Co., Ltd.

Therefore, it’s specifications are subject to change or our products in it may be discontinued without advance notice.

Please check with our sales representatives or product engineers before ordering.

5 / 14

http://www.murata.com

Doc..No. DM-G17-001Rev.1 201607

3 Specifications and Board Information

The following shows the electrical specification and the board information of the evaluation board when shipped.

3.1 Input and Output Terminals

Fig. 7 shows detailed information of input-output terminals (I/O Terminal) on the evaluation board.

Fig.7 Appearance of Input-Output Terminals

Table 1. I/O Terminal List

Operation manual

PKGX-16-4021

Attention:

This datasheet is downloaded from the website of Murata Manufacturing Co., Ltd.

Therefore, it’s specifications are subject to change or our products in it may be discontinued without advance notice.

Please check with our sales representatives or product engineers before ordering.

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3.2 Electrical Specifications & Mechanical Specifications

The following shows the electrical and mechanical specifications of this evaluation board.

Table 2. Electrical Specifications

※Unless otherwise specified, temperature of measurement is 25℃and supply voltage 3.3V.

Note 3: Current Consumption is depending on Current Consumption of OP-AMP and Current

Consumption generated of Reference Voltage portion.

Operation manual

PKGX-16-4021

Attention:

This datasheet is downloaded from the website of Murata Manufacturing Co., Ltd.

Therefore, it’s specifications are subject to change or our products in it may be discontinued without advance notice.

Please check with our sales representatives or product engineers before ordering.

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Table 3. Mechanical Specifications

Axis D : This axis (Inclination) is an acceleration applied direction, when electric charge sensitivity is

checked. It tolerance is within 1º.

Fig.8 Inclination of Shock Sensor Shaft (PKGS-25WXP1-R)

Electrode B

Electrode A

Polarity marking

251

Operation manual

PKGX-16-4021

Attention:

This datasheet is downloaded from the website of Murata Manufacturing Co., Ltd.

Therefore, it’s specifications are subject to change or our products in it may be discontinued without advance notice.

Please check with our sales representatives or product engineers before ordering.

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3.3 Circuit Diagram

Following shows the circuit diagram of this evaluation board.

Fig 9. Circuit Diagram

(Formulas Descriptions)

Charge AMP = 20log10 (Cf/C1) [dB] (In case of PKGS-25WXP1-R、Cf=550pF)

AMP2 = 20log10 (R3/R2) [dB]

AMP3 = 20log10 (R5/R4) [dB]

AMP3 = 20log10 (R3/R2) [dB]

HPF1 = 1/(2×π×C1 ×R1) [Hz]

HPF1 = 1/(2×π×C4 ×R4) [Hz]

HPF2 = 1/(2×π×C1 ×R1) [Hz]

HPF2’= 1/(2×π×C4 ×R4) [Hz]

HPF3 = 1/(2×π×C1 ×R1) [Hz]

HPF3’ = 1/(2×π×C4 ×R4) [Hz]

LPF1 = 1/(2×π×C3 ×R3) [Hz]

LPF1’ = 1/(2×π×C5 ×R5) [Hz]

LPF2 = 1/(2×π×C2 ×R6) [Hz]

LPF2’ = 1/(2×π×C1 ×R1) [Hz]

LPF3 = 1/(2×π×√(C4 ×R4) [Hz]

Operation manual

PKGX-16-4021

Attention:

This datasheet is downloaded from the website of Murata Manufacturing Co., Ltd.

Therefore, it’s specifications are subject to change or our products in it may be discontinued without advance notice.

Please check with our sales representatives or product engineers before ordering.

9 / 14

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Doc..No. DM-G17-001Rev.1 201607

Below is the simulated frequency response curve of above circuitry (Fig.9).

Note 4: This Frequency Response Curve serves as referencing purpose only. In this simulation, the

frequency response ranges from 99 Hz to 16,700 Hz (-3dB points). Actual frequency response curve

varies according to the actual characteristics of circuitry and components.

Fig 10. Frequency Response Curve of PKGX-16-4021

0.01

0.1

100

1000

110 100 1000 10000 100000

Output Voltage(mV/G)

Frequency（Hz）

Operation manual

PKGX-16-4021

Attention:

This datasheet is downloaded from the website of Murata Manufacturing Co., Ltd.

Therefore, it’s specifications are subject to change or our products in it may be discontinued without advance notice.

Please check with our sales representatives or product engineers before ordering.

10 / 14

http://www.murata.com

Doc..No. DM-G17-001Rev.1 201607

3.4 Bill of Material

The following show the bill of materials of the evaluation module when shipped.

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