A1363LU datasheet(5/29 Pages) ALLEGRO

Part #	A1363LU

Description	Low Noise, High Precision, Programmable Linear Hall Effect Sensor IC

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Manufacturer	ALLEGRO [Allegro MicroSystems]

Direct Link	http://www.allegromicro.com

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Low Noise, High Precision, Programmable Linear Hall Effect Sensor IC

With Advanced Temperature Compensation

And High Bandwidth (120 kHz) Analog Output

A1363LU

5

Allegro MicroSystems, LLC

115 Northeast Cutoff

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

1.508.853.5000; www.allegromicro.com

Continued on the next page…

Characteristics

Symbol

Test Conditions

Min.

Typ.

Max.

Unit1

Output Characteristics (continued)

Noise5

VN

TA = 25°C, CL = 1 nF, BWf = BWi

–

1.1

–

mGRMS/√¯(Hz)

TA = 25°C, CL = 1 nF, Sens = 2 mV/G,

BWf = BWi

–

6.3

–

mVp-p

TA = 25°C, CL = 1 nF, Sens = 2 mV/G,

BWf = BWi

–

1

–

mVRMS

DC Output Resistance

ROUT

TA = 25°C, VOUT = 2.5 V

–

<1

–

Ω

Output Load Resistance

RL(PULLUP) VOUT to VCC

4.7

–

kΩ

RL(PULLDWN) VOUT to GND

4.7

–

kΩ

Output Load Capacitance6

CL

VOUT to GND

–

1

10

nF

Output Slew Rate7

SR

Sens = 2 mV/G, CL = 1 nF

–

230

–

V/ms

Quiescent Voltage Output (VOUT(Q))2

Initial Unprogrammed Quiescent

Voltage Output2,8

VOUT(Q)init

TA = 25°C

2.4

2.5

2.6

V

Quiescent Voltage Output

Programming Range2,4,9

VOUT(Q)PR TA = 25°C

2.3

–

2.7

V

Quiescent Voltage Output

Programming Bits10

QVO

–

9

–

bit

Average Quiescent Voltage Output

Programming Step Size2,11,12

StepVOUT(Q) TA = 25°C

1.9

2.3

2.8

mV

Quiescent Voltage Output

Programming Resolution2,13

ErrPGVOUT(Q) TA = 25°C

–

±0.5 ×

StepVOUT(Q)

–

mV

Sensitivity (Sens)2

Initial Unprogrammed Sensitivity8

Sensinit

SENS_COARSE = 00, TA = 25°C

–

1

–

mV/G

SENS_COARSE = 01, TA = 25°C

–

2.2

–

mV/G

SENS_COARSE = 10, TA = 25°C

–

4.7

–

mV/G

SENS_COARSE = 11, TA = 25°C

–

9.6

–

mV/G

Sensitivity Programming Range4,9

SensPR

SENS_COARSE = 00, TA = 25°C

0.6

–

1.3

mV/G

SENS_COARSE = 01, TA = 25°C

1.3

–

2.9

mV/G

SENS_COARSE = 10, TA = 25°C

2.9

–

6.4

mV/G

SENS_COARSE = 11, TA = 25°C

6.4

–

14

mV/G

OPERATING CHARACTERISTICS (continued): valid through the full operating temperature range, TA, CBYPASS = 0.1 µF,

VCC = 5 V; unless otherwise specified

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