3422 Просмотр технического описания (PDF) - Allegro MicroSystems

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3422

HALL-EFFECT, DIRECTION-DETECTION SENSORS

Allegro MicroSystems 

3421 AND 3422

HALL-EFFECT,

DIRECTION-DETECTION

SENSORS

MAGNETIC CHARACTERISTICS over operating voltage range.

A3421xKA

Characteristic

Symbol Test Conditions Min. Typ. Max.

Operate Point

Release Point3

BOP

TA = -40°C

140 185 300

TA = +25°C

130 160 280

TA = Maximum

120

—

260

BRP

TA = -40°C

-300 -190 -140

TA = +25°C

-280 -175 -130

Hysteresis

TA = Maximum -260

—

-120

Bhys

TA = -40°C

280 375

—

TA = +25°C

260 335

—

TA = Maximum

240

—

—

Operate Differential

BOP1 - BOP2

—

—

±80

Release Differential

BRP1 - BRP2

—

—

±80

A3422xKA

Min. Typ. Max.

—

29

85

—

29

75

—

—

75

-85

-19

—

-75

-18

—

-75

-16

—

10

48

—

10

46

—

10

—

—

—

—

±60

—

—

±60

NOTES:1. Magnetic flux density is measured at most sensitive area of device,

nominally located 0.014” (0.37 mm) below the branded face of the package.

2. Typical Data is at VCC = 12 V and TA = +25°C and is for design information only.

3. As used here, negative flux densities are defined as less than zero (algebraic convention).

Units

G

G

G

G

G

G

G

G

G

G

G

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

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