A1373LKB datasheet(4/23 Pages) ALLEGRO

4 / 23 page

A1373-DS, Rev. 3

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

115 Northeast Cutoff, Box 15036

www.allegromicro.com

Allegro MicroSystems, Inc.

High Precision, Output Pin Programmable, Linear Hall Effect Sensors

A1373 and A1374

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

VOUT(Q)MID

2.0

–

3.2

VOUT(Q)HIGH

3.5

–

4.5

Average Quiescent Output Voltage

Step Size4,5,6

StepVOUT(Q)

TA = 25°C

3.0

3.275

3.5

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

VOUT(Q) = VOUT(Q)MID

–

±40

VOUT(Q) = VOUT(Q)HIGH

–

±55

Quiescent Output Voltage

Programming Bits

–

Coarse (Range selection)

–

Bit

Fine (Value selection)

–

Bit

10% Output Clamp Option7

VOUTCLP10HIGH

A1373

High-side output clamp

4.350

–

4.565

A1374

4.300

–

4.650

VOUTCLP10LOW

A1373

Low-side output clamp

0.4

–

0.6

A1374

0.3

–

0.6

20% Output Clamp Option7

VOUTCLP20HIGH

A1373

High-side output clamp

3.925

–

4.125

A1374

3.900

–

4.200

VOUTCLP20LOW

A1373

Low-side output clamp

0.9

–

1.1

A1374

0.8

–

1.1

Delay to Clamp

tCLP

A1373

–

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

9.5

μV/G

StepSENSMID

18.7

μV/G

StepSENSHIGH

37.0

μV/G

Sensitivity

Programming

Resolution

ErrPROGSENS

Fine programming value selection

accuracy

–

±0.5 ×

StepSENS

–

μV/G

Sensitivity

Programming Bits

–

Coarse (Range selection)

–

Bit

Fine (Value selection)

–

Bit

POLARITY PROGRAMMING

Polarity

Programming Bit

–

Negative Sensitivity

–

Bit

CHARACTERISTIC PARAMETERS (continued)

Continued on the next page...

Characteristic

Symbol

Test Conditions

Min.

Typ.

Max

Units

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