A1281 Specification

Low Sensitivity Unipolar Hall Effect Switch

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100214

RD-30011

Rev 1.02

A1281 is an Unipolar Hall switch of low operating voltage and low sensitivity.



Absolute Maximum Ratings

At (Ta=25℃)

Characteristics

Values

Unit

Supply voltage (VDD)

28

V

Output Voltage,(Vout)

28

V

Output current, (ISINK)

50

mA

Operating Temperature

Range, (TA)

-40 ~ +125

℃

Storage temperature

Range, (TS)

-55 ~ +150

℃

Package Power

Dissipation, (PD)

606 / 230

mW



Functional Block Diagram

Voltage

Regulator

Amp

VDD

Out

VSS

Hall

Sensor

Hall

Sensor

Clock



Electrical Specifications

DC Operating Parameters： TA=+25℃, VDD=12V

Parameters

Test Conditions

Min

Typ

Max

Units

Supply Voltage,(VDD)

Operating

3.0

24.0

V

Supply Current,(IDD)

B<BOP

2.5

5.0

mA

Output Saturation Voltage, (VDSON) Iout=20mA,B>BOP

500.0

mV

Output Leakage Current, (Ioff)

IOFF B<BRP, VOUT = 20V

10.0

uA

Output Rise Time, (TR)

RL=1kΩ, CL =20pF

0.04

0.45

uS

Output Fall Time, (TF)

RL=1kΩ; CL =20pF

0.18

0.45

uS

Electro-Static Discharge

HBM

4

KV

Operate Point,(BOP)

I3(S3)

140(-250)

250(-140)

Gauss

Release Point,(BRP)

I3(S3)

95(-205)

205(-95)

Gauss

Hysteresis,(BHYS)

|BOP - BRP|

45

Gauss

DMOS Hall

Effect Switch

Supply Voltage

3.0 ~ 24V

Bop：175 Gauss

Brp：130 Gauss

Output

Open Drain

Package

SIP-3(I3)

SOT-23(S3)