A1369EUA-24-T datasheet(5/22 Pages) ALLEGRO

Part #	A1369EUA-24-T

Description	Customer Programmable Linear Hall-Effect Sensor

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Manufacturer	ALLEGRO [Allegro MicroSystems]

Direct Link	http://www.allegromicro.com

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Allegro MicroSystems, LLC

115 Northeast Cutoff

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

1.508.853.5000; www.allegromicro.com

Customer Programmable Linear Hall-Effect Sensor

Optimized for Use in Current Sensing Applications

A1369

Continued on the next page…

Characteristic

Symbol

Test Conditions

Min.

Typ.

Max.

Unit

Customer Quiescent Voltage Output Programming

Guaranteed Quiescent Voltage Output

Range7

VOUT(Q)

TA = 25ºC

2.45

–

2.55

V

Quiescent Voltage Output

Programming Bits

−

5

–

Bits

Average Quiescent Voltage Output

Step Size8,9

StepVOUT(Q) TA = 25ºC

4.75

7.5

10.5

mV

Quiescent Voltage Output

Programming Resolution10

ErrPGVOUT(Q) TA = 25ºC

–

StepVOUT(Q)

× ±0.5

Customer Sensitivity Programming

Sensitivity Programming Bits

–

7

–

Bits

Default Sensitivity

Sens

A1369-10, TA = 25ºC

−

-10.5

−

mV/G

A1369-24, TA = 25ºC

−

-24

−

mV/G

Guaranteed Fine Step Sensitivity

Range11

Sens

A1369-10, TA = 25ºC

-8.5

–

-12.5

mV/G

A1369-24, TA = 25ºC

-22

–

-26

mV/G

Average Sensitivity Step Size8,9

StepSens

A1369-10, TA = 25ºC

-72

-102

-133

µV/G

A1369-24, TA = 25ºC

-163

-233

-303

µV/G

Sensitivity Programming Resolution10 ErrPROGSENS TA = 25ºC

–

StepSens

× ±0.5

–

µV/G

Customer Clamp Disable Programming

Clamp Disable Bit

–

1

–

Bit

Output Voltage12

VSAT,HIGH

B = -X G;

RL = 4.7 kΩ (VOUT to GND)

4.75

–

V

VSAT,LOW

B = + X G;

RL = 4.7 kΩ (VOUT to GND)

–

0.25

V

Customer Lock

Overall Programming Lock Bit

LOCK

–

1

–

Bit

ELECTRICAL CHARACTERISTICS (continued): valid over TA, CBYPASS = 0.1 µF, VCC = 5 V, unless otherwise noted

7

VOUT(Q)(max) is the value available with all programming fuses blown (maximum programming code set). VOUT(Q) is the total range from VOUT(Q)init up to and includ-

ing VOUT(Q)(max). See Characteristic Definitions.

8

Step size is larger than required to account for manufacturing spread. See Characteristics Definitions

9

Non-ideal behavior in the programming DAC can cause the step size at each significant bit rollover code to be twice the maximum specified value of StepVOUT(Q) or

StepSENS

10

Fine programming value accuracy. See Characteristic Definitions

11

Sens(max) is the value available with all programming fuses blown (maximum programming code set). Sens range is the total range from Sensinit up to and including

Sens(max). See Characteristic Definitions.

12

VSAT,HIGH and VVSAT,LOW will scale with the supply voltage due to the Ratiometry of the part

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