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Continuous-Time Ratiometric 

Linear Hall Effect Sensors 

A1301 

and

 

A1302 

2

Allegro MicroSystems, Inc.

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036  (508) 853-5000
www.allegromicro.com

Selection Guide

Part Number

Pb-free

1

Packing

2

Package

Ambient, T

A

Sensitivity (Typical)

A1301ELHLT-T

Yes

7-in. tape and reel, 3000 pieces/reel

Surface Mount

–40ºC to 85ºC

2.5 mV/G

A1301EUA-T

Yes

Bulk, 500 pieces/bag

SIP

A1301KLHLT-T

Yes

7-in. tape and reel, 3000 pieces/reel

Surface Mount

–40ºC to 125ºC

A1301KUA-T

Yes

Bulk, 500 pieces/bag

SIP

A1302ELHLT-T

Yes

7-in. tape and reel, 3000 pieces/reel

Surface Mount

–40ºC to 85ºC

1.3 mV/G

A1302EUA-T

Yes

Bulk, 500 pieces/bag

SIP

A1302KLHLT-T

Yes

7-in. tape and reel, 3000 pieces/reel

Surface Mount

–40ºC to 125ºC

A1302KUA-T

Yes

Bulk, 500 pieces/bag

SIP

1

Pb-based variants are being phased out of the product line. Certain variants cited in this footnote are no longer in production  The variants should 

not be purchased for new design applications. Samples are no longer available. Status change: May 1, 2006.  These variants include: A1301ELHLT, 
A1301EUA, A1301KLHLT, A1301KUA, A1302ELHLT, A1302EUA, A1302KLHLT, and A1302KUA.

2

Contact Allegro for additional packing options.

Absolute Maximum Ratings

Characteristic

Symbol

Notes

Rating

Units

Supply Voltage 

V

CC

8

V

Output Voltage

V

OUT

8

V

Reverse Supply Voltage

V

RCC

–0.1

V

Reverse Supply Voltage

V

RCC

–0.1

V

Output Sink Current

I

OUT

10

mA

Operating Ambient Temperature

T

A

Range E

–40 to 85

ºC

Range K

–40 to 125

ºC

Maximum Junction Temperature

T

J

(max)

165

ºC

Storage Temperature

T

stg

–65 to 170

ºC

Summary of Contents for A1301

Page 1: ...ents made at end of line during the manufacturing process These features make the A1301 and A1302 ideal for use in position sensing systems for both linear target motion and rotational target motion They are well suited for industrial applications over extended temperature ranges from 40 C to 125 C Two device package types are available LH a 3 pin SOT23W type for surface mount and UA a 3 pin ultra...

Page 2: ...s 7 in tape and reel 3000 pieces reel Surface Mount 40ºC to 125ºC A1302KUA T Yes Bulk 500 pieces bag SIP 1Pb based variants are being phased out of the product line Certain variants cited in this footnote are no longer in production The variants should not be purchased for new design applications Samples are no longer available Status change May 1 2006 These variants include A1301ELHLT A1301EUA A1...

Page 3: ...V μs to 4 5 V 100 ns 3 5 μs Output Resistance ROUT ISINK 1 mA ISOURCE 1 mA 2 5 Ω Wide Band Output Noise rms VOUTN External output low pass filter 10 kHz Sens nominal 150 μV Ratiometry Quiescent Output Voltage Error with respect to ΔVCC 1 ΔVOUTQ V TA 25 C 3 0 Magnetic Sensitivity Error with respect to ΔVCC 2 ΔSens V TA 25 C 3 0 Output Linearity Lin TA 25 C 2 5 Symmetry Sym TA 25 C 3 0 Magnetic Char...

Page 4: ...ely the application of a north polarity B magnetic field in the same orientation proportionally decreases the output voltage from its quiescent value This proportionality is specified as the magnetic sensitivity of the device and is defined as The stability of the device magnetic sensitivity as a function of ambient temperature ΔSens ΔTA is defined as Ratiometric The A1301 and A1302 feature a rati...

Page 5: ...0 25 50 75 100 125 150 2 40 2 45 2 50 2 55 2 60 50 25 0 25 50 75 100 125 150 4 5 5 0 5 5 6 0 4 5 5 0 5 5 6 0 LH Package UA Package LH Package UA Package 1301 Device Sensitivity vs Ambient Temperature 1302 Device Sensitivity vs Temperature Temperature C Temperature C 1301 Device VOUTQ vs Ambient Temperature 1302 Device VOUTQ vs Ambient Temperature 1301 Device Sensitivity vs Supply Voltage 1302 Devi...

Page 6: ...99 4 99 5 99 6 99 7 99 8 99 9 100 0 4 5 5 0 5 5 6 0 99 5 99 6 99 7 99 8 99 9 100 0 100 1 100 2 100 3 100 4 100 5 4 5 5 0 5 5 6 0 Supply Voltage V LIN LIN LIN LIN 99 6 99 7 99 8 99 9 100 0 99 8 99 9 100 0 100 1 100 2 100 3 100 4 1302 Device VOUTQ vs Supply Voltage 1301 Device Symmetry vs Supply Voltage 1302 Device Symmetry vs Supply Voltage 1301 Device LIN and LIN vs Supply Voltage 1302 Device LIN ...

Page 7: ...0 075 0 25 010 3 04 2 80 120 110 2 1 3 GAUGE PLANE SEATING PLANE B A B Preliminary dimensions for reference only Dimensions in millimeters U S Customary dimensions in in brackets for reference only reference JEDEC TO 236 AB except case width and terminal tip to tip Dimensions exclusive of mold flash gate burrs and dambar protrusions Exact case and lead configuration at supplier discretion within l...

Page 8: ... is cautioned to verify that the information being relied upon is current Allegro products are not authorized for use as critical components in life support devices or systems without express written approval The information included herein is believed to be accurate and reliable However Allegro MicroSystems Inc assumes no responsibility for its use nor for any infringement of patents or other rig...

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