ADXL204CE Analog Devices Inc, ADXL204CE Datasheet

IC,Acceleration Detector,LLCC,8PIN,CERAMIC

ADXL204CE

Manufacturer Part Number

ADXL204CE

Description

IC,Acceleration Detector,LLCC,8PIN,CERAMIC

Manufacturer

Analog Devices Inc

Series

iMEMS®r

Datasheet

1.ADXL204EB.pdf (12 pages)

Specifications of ADXL204CE

Axis

X, Y

Acceleration Range

±1.7g

Sensitivity

620mV/g

Voltage - Supply

3 V ~ 6 V

Output Type

Analog

Bandwidth

1Hz ~ 500Hz Selectable

Mounting Type

Surface Mount

Package / Case

8-CLCC

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

For Use With

ADXL204EB - BOARD EVAL FOR ADXL204CE

Interface

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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FEATURES

High performance, dual-axis accelerometer on a

Specified at V

5 mm × 5 mm × 2 mm LCC package

Better than 2 mg resolution at 60 Hz

Low power: 500 μA at V

High zero g bias stability

High sensitivity accuracy

–40°C to +125°C temperature range

X-axis and Y-axis aligned to within 0.1° (typical)

BW adjustment with a single capacitor

Single-supply operation

3500 g shock survival

RoHS compliant

Compatible with Sn/Pb- and Pb-free solder processes

APPLICATIONS

Vehicle dynamic control (VDC)/electronic stability program

Electronic chassis controls

Electronic braking

Platform stabilization/leveling

Navigation

Alarms and motion detectors

High accuracy, 2-axis tilt sensing

Rev. A

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rights of third parties that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registered trademarks are the property of their respective owners.

single IC chip

(ESP) systems

= 3.3 V

= 3.3 V (typical)

+5V

SENSOR

FUNCTIONAL BLOCK DIAGRAM

COM

ADXL204

AMP

Precision ±1.7 g Single-/Dual-Axis

Figure 1.

DEMOD

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.461.3113

GENERAL DESCRIPTION

The ADXL204 is a high precision, low power, complete dual-

axis accelerometer with signal-conditioned voltage outputs, all

on a single monolithic IC. Like the ADXL203, it measures

acceleration with a full-scale range of ±1.7 g; however, the

ADXL204 is tested and specified for 3.3 V supply voltage,

whereas the

function well over a wide 3 V to 6 V operating voltage range.

The ADXL204 can measure both dynamic acceleration (for

example, vibration) and static acceleration (for example, gravity).

The typical noise floor is 170 μg/√Hz, allowing signals below

2 mg (0.1° of inclination) to be resolved in tilt sensing

applications using narrow bandwidths (<60 Hz).

The user selects the bandwidth of the accelerometer using

Capacitor C

Bandwidths of 0.5 Hz to 2.5 kHz can be selected to suit the

application.

The ADXL204 is available in a 5 mm × 5 mm × 2 mm,

8-terminal hermetic LCC package.

32kΩ

FILT

OUTPUT

AMP

OUT

ADXL203

32kΩ

and Capacitor C

FILT

i MEMS

OUTPUT

AMP

OUT

is tested and specified at 5 V. Both parts

at the X

Accelerometer

OUT

and Y

ADXL204

www.analog.com

OUT

pins.

Related parts for ADXL204CE

ADXL204CE Summary of contents

Page 1

FEATURES High performance, dual-axis accelerometer on a single IC chip Specified 3 × × LCC package Better than 2 mg resolution Low power: 500 μA at ...

ADXL204 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 General Description ......................................................................... 1 Functional Block Diagram .............................................................. 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Absolute Maximum Ratings............................................................ 4 ESD Caution.................................................................................. 4 Pin Configuration and Function Descriptions............................. 5 Typical Performance Characteristics ...

Page 3

SPECIFICATIONS All minimum and maximum specifications are guaranteed. Typical specifications are not guaranteed –40°C to +125° 3 Table 1. Parameter SENSOR INPUT 1 Measurement Range Nonlinearity Package Alignment Error ...

Page 4

ADXL204 ABSOLUTE MAXIMUM RATINGS Table 2. Parameter Acceleration (Any Axis, Unpowered) Acceleration (Any Axis, Powered) Drop Test (Concrete Surface All Other Pins Output Short-Circuit Duration (Any Pin to Common) Temperature Range (Powered) Temperature Range (Storage) Table 4. Profile ...

Page 5

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 5. Pin Function Descriptions Pin No. Mnemonic DNC 3 COM 4 DNC 5 DNC 6 Y OUT 7 X OUT ADXL204E TOP VIEW (Not to Scale ...

Page 6

ADXL204 TYPICAL PERFORMANCE CHARACTERISTICS V = 3.3 V for all graphs, unless otherwise noted VOLTS (V) Figure 4. X-Axis Zero g Bias Output at 25° ...

Page 7

TEMPERATURE (°C) Figure 10. Zero g Bias vs. Temperature—Parts Soldered to PCB 120 130 140 150 160 170 180 ...

Page 8

ADXL204 0.9 0 0.7 0.6 0.5 0.4 0.3 – TEMPERATURE (°C) Figure 16. Supply Current vs. Temperature VOLTS (V) Figure 17. X-Axis Self-Test Response at 25°C ...

Page 9

THEORY OF OPERATION X OUT Y OUT The ADXL204 is a complete acceleration measurement system on a single monolithic IC. The ADXL204 is a dual-axis accelerometer. It contains a polysilicon surface-micromachined sensor and signal conditioning circuitry to implement an open-loop ...

Page 10

ADXL204 APPLICATIONS POWER SUPPLY DECOUPLING For most applications, a single 0.1 μF capacitor, C decouples the accelerometer from noise on the power supply. However in some cases, particularly where noise is present at the 140 kHz internal clock frequency (or ...

Page 11

Peak-to-peak noise values give the best estimate of the uncertainty in a single measurement and is estimated by 6 × rms. Table 8 gives the typical noise output of the ADXL204 for various C and C values. Y Table 8. ...

Page 12

... ADXL204 OUTLINE DIMENSIONS ORDERING GUIDE Model Number of Axes ADXL204CE 2 ADXL204CE-REEL 2 ADXL204EB ©2006 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. 1.27 5.00 1. 1.27 4.50 TOP VIEW SQ 1.27 5 0.20 R 0.38 R 0.20 BOTTOM VIEW Figure 23. 8-Terminal Ceramic Leadless Chip Carrier [LCC] ...

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