A1373EKBTI-T datasheet(4/22 Pages) ALLEGRO

Part #	A1373EKBTI-T

Description	High Precision, Output Pin Programmable Linear Hall Effect Sensors

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Manufacturer	ALLEGRO [Allegro MicroSystems]

Direct Link	http://www.allegromicro.com

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4 / 22 page

High Precision, Output Pin Programmable

Linear Hall Effect Sensors

A1373 and

A1374

4

Allegro MicroSystems, Inc.

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

www.allegromicro.com

QUIESCENT OUTPUT VOLTAGE PROGRAMMING

over operating temperature range, VCC=5.0 V, unless otherwise noted

Quiescent Output Voltage Range

VOUT(Q)LOW

B = 0 G, TA = 25°C

0.7

–

1.9

V

VOUT(Q)MID

2.0

–

3.2

V

VOUT(Q)HIGH

3.5

–

4.5

V

Average Quiescent Output Voltage

Step Size4,5,6

StepVOUT(Q)

TA = 25°C

3.0

3.275

3.5

mV

Quiescent Output Voltage

Programming Resolution

ErrPROGVOUT(Q)

Fine programming value selection

accuracy

–

±0.5 ×

StepVOUT(Q)

–mV

Quiescent Output Voltage Drift

Over Operating Temperature

Range

ΔVOUT(Q)

VOUT(Q) = VOUT(Q)LOW

–

±40

mV

VOUT(Q) = VOUT(Q)MID

–

±40

mV

VOUT(Q) = VOUT(Q)HIGH

–

±55

mV

Quiescent Output Voltage

Programming Bits

–

Coarse (Range selection)

–

2

–

Bit

Fine (Value selection)

–

9

–

Bit

10% Output Clamp Option7

VOUTCLP10HIGH

A1373

High-side output clamp

4.350

–

4.565

V

A1374

4.300

–

4.650

V

VOUTCLP10LOW

A1373

Low-side output clamp

0.4

–

0.6

V

A1374

0.3

–

0.6

V

20% Output Clamp Option7

VOUTCLP20HIGH

A1373

High-side output clamp

3.925

–

4.125

V

A1374

3.900

–

4.200

V

VOUTCLP20LOW

A1373

Low-side output clamp

0.9

–

1.1

V

A1374

0.8

–

1.1

V

Delay to Clamp

tCLP

A1373

–

2

μs

A1374

–

100

μs

SENSITIVITY PROGRAMMING

over operating temperature range, VCC=5.0 V, unless otherwise noted

Sensitivity Range8

SensLOW

TA = 25°C

1.75

–

2.8

mV/G

SensMID

3.5

–

5.7

mV/G

SensHIGH

7.0

–

11.25

mV/G

Average Sensitivity Step Size4,5,6

StepSENSLOW

TA = 25°C

6

9.5

14

μV/G

StepSENSMID

12

18.7

28

μV/G

StepSENSHIGH

22

37.0

56

μV/G

Sensitivity

Programming

Resolution

ErrPROGSENS

Fine programming value selection

accuracy

–

±0.5 ×

StepSENS

–

μV/G

Sensitivity

Programming Bits

–

Coarse (Range selection)

–

2

–

Bit

Fine (Value selection)

–

8

–

Bit

POLARITY PROGRAMMING

Polarity

Programming Bit

–

Negative Sensitivity

–

1

–

Bit

CHARACTERISTIC PARAMETERS (continued)

Continued on the next page...

Characteristic

Symbol

Test Conditions

Min.

Typ.

Max

Units

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