A1126 データシートの表示（PDF） - Allegro MicroSystems

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A1126

Chopper-Stabilized Omnipolar Hall-Effect Switch

Allegro MicroSystems 

A1126

Chopper-Stabilized Omnipolar Hall-Effect Switch

OPERATING CHARACTERISTICS: Valid through TA  and VCC ranges, TJ < TJ(max), CBYP = 0.1 µF, unless otherwise specified

Characteristics

Symbol

Test Conditions

Min.

Typ.

Max.

Unit1

Electrical Characteristics

Supply Voltage

Output Leakage Current

Output On Voltage

Output Current Limit

Power-On Time2,3

Chopping Frequency

Output Rise Time3,4

Output Fall Time3,4

Supply Current

VCC

IOUTOFF

VOUT(SAT)

IOM

tPO

fC

tr

tf

ICC(ON)

ICC(OFF)

Operating, TJ < 165°C

VOUT = 24 V, B < BRPS

IOUT = 20 mA, B > BOP

B > BOP

RLOAD = 820 Ω, CS = 20 pF

RLOAD = 820 Ω, CS = 20 pF

B > BOP , VCC = 12 V

B < BRP , VCC = 12 V

3

–

24

V

–

–

10

µA

–

185

500

mV

30

–

60

mA

–

–

25

µs

–

800

–

kHz

–

0.2

2

µs

–

0.1

2

µs

–

–

4

mA

–

–

4

mA

Supply Zener Clamp Voltage

Supply Zener Current

Magnetic Characteristics

VZ

IZSUPPLY

ICC = 6.5 mA; TA = 25°C

VS = 28 V

28

–

–

V

–

–

6.5

mA

Operate Point

BOPS

BOPN

South pole adjacent to branded face

North pole adjacent to branded face

Release Point

BRPS

BRPN

South pole adjacent to branded face

North pole adjacent to branded face

Hysteresis

BHYS

| BOPS – BRPS |, | BOPN – BRPN |

1 1 G (gauss) = 0.1 mT (millitesla).

2 B < BRP (min) – 10 G , B > BOP (max) + 10 G.

3 Guaranteed by device design and characterization.

4 CS = oscilloscope probe capacitance.

15

38

55

G

-55

-38

-15

G

5

20

50

G

-50

-20

-5

G

5

–

30

G

Allegro MicroSystems, LLC

3

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

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