A1261

Specification

Micropower Open Drain Output Hall Effect Switch

050423

www.masteranalog.com

Page 1 of 2

RD-30042

Rev 2.04

A1261 is a micro-package and micro-power omnipolar Hall switch, with wide operating voltage, high sensitivity and

larger current driver open drain output.



Absolute Maximum Ratings

At (TA=25℃)

Characteristics

Values

Unit

Supply Voltage, (VDD)

6.0

V

Output Voltage, (VOUT)

6.0

V

Output Current, (ISINK)

10

mA

Operating Temperature

Range, (TA)

-40 ~ +85

℃

Storage Temperature

Range, (TS)

-65 ~ +150

℃

Package Power

Dissipation, (PD)

416 / 780

mW



Functional Block Diagram

Awake/Sleep

Timing Control

Amp

Control

Logic

Offset

Cancellation

VDD

Out

Hall

Sensor

Vss

SPD



Electrical Specifications

DC Operating Parameters： TA=+25℃, VDD=1.8V

Parameters

Test Conditions

Min

Typ

Max

Units

Supply Voltage, (VDD)

Operating(SPD=Lo)

1.7(2.0)

5.5

V

Supply Current, (IDD)

Awake State

1.5

3.0

mA

Sleep State

3.5

7.0

uA

Average (SPD= Lo)

5.0(350)

10(600)

uA

Output Saturation Voltage, (VDSON)

IOUT=5mA, B>BOPX

200

mV

Output Leakage Current, (IOFF)

VOUT=5.5V, B<BRPX

1.0

uA

Awake mode time, (TAW)

Operating

40

80

uS

Sleep mode time, (TSL)

Operating (SPD= Lo)

40(0.16) 80(0.32)

mS

Duty Cycle

, (D,C)

(SPD= Lo)

0.1(25)

%

Output Switch Frequency, (FSW)

(SPD=Lo)

10(200)

Hz

Electro-Static Discharge

HBM

4

KV

Operate Point,

BOPS(BOPN)

B>BOPS(B<BOPN), VOUT On

20(-55)

55(-20)

Gauss

Release Point,

BRPS(BRPN)

B<BRPS(B>BRPN), VOUT Off

10(-45)

45(-10)

Gauss

Hysteresis, (BHYS)

|BOPX - BRPX|

10

Gauss

CMOS Hall

Effect Switch

Supply Voltage

1.7 ~ 5.5V

BOPS：30 Gauss

BRPS：20 Gauss

BOPN：-30 Gauss

BRPN：-20 Gauss

Output

Open Drain

Package

DFN1010-4(D4)

DFN2020-6(D6)