Datasheet > US5682ESEAAA-000RE

US5682ESEAAA-000RE

更新时间： 2022-02-26 12:23:58

品牌	Logo	应用领域
迈来芯 - MELEXIS		/
页数	文件大小	规格书
11页	508K
描述
Unipolar Hall Switch â High Sensitivity

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US5682

Unipolar Hall Switch – High Sensitivity

Inverted Output

8 Output Behaviour versus Magnetic Pole

DC Operating Parameters T_A= -40^oC to 125^oC, V_DD= 3.5V to 24V (unless otherwise specified)

Parameter

South pole

Test Conditions

B > B_OP

OUT

High

Low

Null or weak magnetic field

North pole

B  0 or B < B_RP

B > B_OP

Low

Table 6: Output behaviour versus magnetic pole

OUT = High (≈V_PU)

9 Detailed General Description

Based on mixed signal CMOS technology, Melexis US5682 is a Hall-effect device with high magnetic

sensitivity and inverted output. Its sensitivity enables high accuracy in position sensing by the use of small air

gap.

The Correlated Double Sampling (CDS) technique suppresses the offset generally observed with Hall

sensors and amplifiers. The CMOS technology makes this advanced technique possible and contributes to

smaller chip size and lower current consumption than bipolar technology. The small chip size is also an

important factor to minimize the effect of physical stress.

This combination results in more accurate and stable magnetic characteristics, and enables faster and more

precise design.

The wide operating voltage from 3.5V to 24V and low current consumption make this device especially

suitable for solid state switch applications.

The output signal is open-drain type. Such output allows simple connectivity with TTL or CMOS logic by using

a pull-up resistor tied between a pull-up voltage and the device output.

10 Unique Features

The US5682 exhibits unipolar magnetic switching characteristics. Therefore, it operates only with one

magnetic pole.

Output level

The US5682 device is inverted output, south pole active:

Applying a south magnetic pole greater than B_OPfacing the

OUT = High

branded side of the package switches the output high.

Removing the magnetic field (B0) switches the output low.

The use of the opposite magnetic pole facing the branded side

does not affect the output state.

OUT = Low

0mT

B_OP

Flux density

B_RP

Unipolar switch characteristic

A magnetic hysteresis B_HYSTkeeps B_OPand B_RPseparated by a minimal value. This hysteresis prevents

output oscillation near the switching point.

3901005682

Rev 006

Page 5 of 11

Data Sheet

Jan/15

1 2 3 456 7 8...11

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