MICROPOWER,

ULTRA-SENSITIVE

HALL-EFFECT SWITCHES

www.allegromicro.com

4

ELECTRICAL CHARACTERISTICS: unless otherwise noted

over operating voltage and temperature range.

Limits

Characteristic

Symbol

Test Conditions

Min.

Typ.

Max.

Units

Operate Points

South pole to branded side

–

42

70

G

North pole to branded side

-70

-48

–

G

Release Points

South pole to branded side

10

32

–

G

North pole to branded side

–

-38

-10

G

Hysteresis

10

–

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.

4. 1 gauss (G) is exactly equal to 0.1 millitesla (mT).

MAGNETIC CHARACTERISTICS: over operating voltage and temperature range.

Limits

Characteristic

Symbol

Test Conditions

Min.

Typ.

Max.

Units

Supply Voltage Range

2.4

3.0

5.5

V

Output Leakage Current

–

<1.0

1.0

µA

Output On Voltage

–

100

300

mV

Awake Time

–60

90

µs

Period

A3213xx

–

240

360

µs

A3214xx

–

60

90

ms

Duty Cycle

d.c.

A3213xx

–

25

–

%

A3214xx

–

0.10

–

%

Chopping Frequency

–

340

–

kHz

Supply Current

Chip awake (enabled)

–

–

2.0

mA

Chip asleep (disabled)

–

–

8.0

µA

A3213xx

–

460

850

µA

A3214xx

–

11

22

µA

ESD, Human Body Model

–

Per CDF-AEC-Q100-002

5.0

–

–

kV

ESD, Machine Model

–

Per JESD22-A115

350

–

–

V

NOTES: 1. Operate and release points will vary with supply voltage.