3425

DUAL, CHOPPER-STABILIZED,

ULTRA-SENSITIVE,

BIPOLAR HALL-EFFECT SWITCH

www.allegromicro.com

3

ELECTRICAL CHARACTERISTICS over operating temperature range, each switch tested

separately (unless otherwise specified).

Limits

Characteristic

Symbol

Test Conditions

Min.

Typ.

Max.

Units

Supply Voltage Range

3.3

–

26.5

V

Output Leakage Current

–

<1.0

10

µA

Output Saturation Voltage

–

225

400

mV

Output Current Limit

30

–

55

mA

Chopping Frequency

–

340

–

kHz

Output Rise Time

–

110

–

ns

Output Fall Time

–

55

–

ns

Total Supply Current

≤ 26.5 V

–

3.8

6.0

mA

≤ 26.5 V

–

7.5

10

mA

Reverse Battery Current

–

2.0

15

mA

Zener Voltage

°C

283337

V

Zener Impedance

°C

–

50

100

Ω

NOTES:1. Supply voltage is limited by allowable package power dissipation as a function of ambient temperature.

°C and V

MAGNETIC CHARACTERISTICS over operating supply voltage and temperature ranges, each

switch tested separately (unless otherwise specified).

Limits

Characteristic

Symbol

Test Conditions

Min.

Typ.

Max.

Units

Operate Point

–

8.0

24

G

–11

24

G

Release Point

-24

-11

–

G

-24

-8.0

–

G

Hysteresis

5.0

19

35

G

Operate Differential

–

-2.0

±30

G

Release Differential

–

-3.3

±30

G

Symmetry

––

±30

G

NOTES:1. As used here, negative flux densities are defined as less than zero (algebraic convention) and -50 G is less than +10 G.