MLX90277EGOSR2-1 datasheet, PDF

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MLX90277EGOSR2-1: DescriptionMAGNETIC FIELD SENSOR-HALL EFFECT, 62-156mT, RECTANGULAR, SURFACE MOUNT; CategoryThe sensor; File Size415KB，21 Pages; ManufacturerMelexis; Websitehttps://www.melexis.com/zh

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MLX90277EGOSR2-1 Overview

MAGNETIC FIELD SENSOR-HALL EFFECT, 62-156mT, RECTANGULAR, SURFACE MOUNT

MLX90277EGOSR2-1 Parametric

Parameter Name	Attribute value
Maximum supply voltage	5.5 V
Minimum supply voltage	4.5 V
Maximum operating temperature	150 Cel
Minimum operating temperature	-40 Cel
Maximum magnetic field range	156 mT
Minimum magnetic field range	62 mT
Output current	1250 mA
Processing package description	Lead FREE, SSOP-14
state	ACTIVE
high	1.1 mm
width	4.4 mm
Installation features	surface mount
Terminal type	welding
Working current	50 mA
type of packaging	Rectangle
length or diameter	5 mm
Linear	0.2000
Output type	ANALOG voltage
sensor type	HALL EFFECT

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MLX90277

Dual Programmable Linear Hall Effect Sensor

Features and Benefits

Full Redundant Sensor

Analog Signal Processing

Quad Switched Hall Plate

Chopper Stabilized Amplifier

Linear Analog Ratiometric Output Voltage

Programmable Output Quiescent Voltage (V

)

-100%V

…200%V

Range

Programmable Magnetic Sensitivity

Programmable Low Pass Filter

Programmable Clamping Voltage

Programmable Temperature Compensation

Melexis ID Number

Programmable Customer ID Number

Lead-free package

Application Examples

Linear Position Sensing

Rotary Position Sensing

Current Sensing

Magnetic Field Measurement

Ordering Information

Part No.

MLX90277

Temperature Code

E (-40° to 85°

Package Code

GO (TSSOP 14)

Option Code SR(IC_A, IC_B)

SRA-B, (A = 0, 1, 2, or 3)

(B = 0, 1, 2, or 3)

†

Example:

MLX90277EGO SR2-1

†

Please see section 10.4 for detailed information on the option codes.

1 Functional Diagram

Supply

2 General Description

The MLX90277 is a Dual Programmable

Ratiometric Linear Hall Effect sensor. Two

discrete CMOS ICs are mounted inside a single

package, electrically insulated, and independently

programmable. The MLX90277 is suitable for

applications requiring full redundancy. The linear

output voltages are proportional to the magnetic

flux density. The ratiometric output voltages are

proportional to the supply voltages. The

MLX90277 possesses active error correction

circuitry, which virtually eliminates the offset errors

normally associated with analog Hall Effect

devices. All the parameters of the MLX90277

transfer characteristic are fully programmable.

The V

OUT

@ B = 0 Gauss), the Sensitivity,

the slope polarity, the Output Clamping levels, the

thermal Sensitivity drift, the internal bias point and

a low-pass filter are all programmable in end-user

applications. The MLX90277 has a very stable

thermal compensation for both the Sensitivity and

the V

over a broad temperature range. For

traceability purpose the MLX90277 will carry a

unique ID number programmed by Melexis and 24

bits of EEPROM memory are allocated for a user

programmed serial number.

OPA

Filter

OPA

Program

decoder

DAC

Shift Register

E E P R O M

Figure 1-1 Functional Diagram

TSSOP 14 pin out

IC_A

IC_B

1 - 4 - 7 - 8 - 11 - 13

Vdd

Out

Vss (Ground)

Test

Table 1: Pin out

3901090277

Rev 004

DAC

Page 1 of 21

Data Sheet

Nov/06

MLX90277

Dual Programmable Linear Hall Effect Sensor

Table of Contents

1 Functional Diagram ........................................................................................................... 1

2 General Description .......................................................................................................... 1

3 Glossary of Terms............................................................................................................. 3

4 Maximum Ratings ............................................................................................................. 3

5 Detailed Block Diagram..................................................................................................... 4

5.1 Detailed Description .................................................................................................... 4

6 General Electrical Specifications....................................................................................... 5

7 Programming Range ......................................................................................................... 6

8 Timing Specifications ........................................................................................................ 6

9 Accuracy ........................................................................................................................... 6

10 Programmable Features ................................................................................................. 7

10.1 Output Quiescent Voltage (V

)................................................................................ 8

10.2 Thermal V

Drift (DRIFT) ........................................................................................ 8

10.3 Sensitivity, Rough Gain and Fine Gain ..................................................................... 8

10.4 Sensitivity Range Selection....................................................................................... 9

10.5 Sensitivity Polarity (INVERT)................................................................................... 11

10.6 Clamping Levels (CLAMPLOW, CLAMPHIGH)....................................................... 11

10.7 Filter (FILTER) ........................................................................................................ 12

10.8 Sensitivity Temperature Compensation (TC, TCW, TC

) ........................................ 12

10.9 Diagnostic Output Level (FAULTLEV)..................................................................... 13

10.10 The EEPROM, Parity and Melexis CRC ............................................................... 13

10.11 Output Amplifier Configuration (MODE) ................................................................ 14

10.12 Memory Lock (MEMLOCK) ................................................................................... 14

10.13 IC traceability ........................................................................................................ 14

11 Performance Graphs..................................................................................................... 14

12 Applications Information................................................................................................ 15

12.1 Application Circuits.................................................................................................. 15

12.2 Programming the Sensor ........................................................................................ 16

12.3 Calibration Procedure ............................................................................................. 17

13 Standard information regarding manufacturability of Melexis products with different

soldering processes ........................................................................................................... 18

14 ESD Precautions........................................................................................................... 18

15 Package Information ..................................................................................................... 19

15.1 Package Dimensions .............................................................................................. 19

15.2 Pin-out and Marking ................................................................................................ 20

15.3 Hall Plate Positioning .............................................................................................. 20

16 Disclaimer ..................................................................................................................... 21

3901090277

Rev 004

Page 2 of 21

Data Sheet

Nov/06

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