A1148EUA Allegro Microsystems Inc, A1148EUA Datasheet

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A1148EUA

Manufacturer Part Number
A1148EUA
Description
IC SWITCH HALL EFFECT UNI 3-SIP
Manufacturer
Allegro Microsystems Inc
Type
Unipolar Switchr
Datasheet

Specifications of A1148EUA

Sensing Range
80G Trip, 10G Release
Voltage - Supply
3.5 V ~ 24 V
Current - Supply
5mA
Output Type
Digital, Open Collector
Features
Regulated Voltage
Operating Temperature
-40°C ~ 85°C
Package / Case
3-SIP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Current - Output (max)
-
Allegro MicroSystems, Inc. reserves the right to make, from time to time, revisions to the anticipated product life cycle plan
for a product to accommodate changes in production capabilities, alternative product availabilities, or market demand. The
information included herein is believed to be accurate and reliable. However, Allegro MicroSystems, Inc. assumes no respon-
sibility for its use; nor for any infringements of patents or other rights of third parties which may result from its use.
Low Current Ultrasensitive Two-Wire Chopper-Stabilized
Date of status change: January 31, 2011
For existing customer transition, and for new customers or new appli-
cations, contact Allegro Sales.
These parts are in production but have been determined to be
NOT FOR NEW DESIGN. This classification indicates that sale of
this device is currently restricted to existing customer applications.
The device should not be purchased for new design applications
because obsolescence in the near future is probable. Samples are no
longer available.
Recommended Substitutions:
NOTE: For detailed information on purchasing options, contact your
local Allegro field applications engineer or sales representative.
Not for New Design
Unipolar Hall Effect Switches
A1147 and A1148

Related parts for A1148EUA

A1148EUA Summary of contents

Page 1

Low Current Ultrasensitive Two-Wire Chopper-Stabilized These parts are in production but have been determined to be NOT FOR NEW DESIGN. This classification indicates that sale of this device is currently restricted to existing customer applications. The device should not be ...

Page 2

Low Current Ultrasensitive Two-Wire Chopper-Stabilized Features and Benefits ▪ Chopper stabilization ▫ Low switchpoint drift over operating temperature range ▫ Low sensitivity to stress ▪ Factory programmed at end-of-line for optimized switchpoints ▪ On-chip protection ▫ Supply transient protection ▫ ...

Page 3

... Bulk Bag, 500 pieces/bag A1147LLHLT-T Yes Tape and Reel, 3000 pieces/reel A1147LUA-T Yes Bulk Bag, 500 pieces/bag A1148ELHLT-T Yes Tape and Reel, 3000 pieces/reel A1148EUA-T Yes Bulk Bag, 500 pieces/bag A1148LLHLT-T Yes Tape and Reel, 3000 pieces/reel A1148LUA-T Yes Bulk Bag, 500 pieces/bag 1 Contact Allegro for additional packing options ...

Page 4

A1147 and A1148 Chopper-Stabilized Unipolar Hall Effect Switches ELECTRICAL CHARACTERISTICS Characteristic Symbol Supply Voltage 1 2 Supply Current Reverse Supply Current Supply Zener Clamp Voltage V ZSUPPLY 3 Supply Zener Clamp Current I ZSUPPLY Output Slew Rate 4 Chopping Frequency ...

Page 5

A1147 and A1148 Chopper-Stabilized Unipolar Hall Effect Switches Supply Current (Low) versus Ambient Temperature at Various Levels of V (A1147 and A1148 – 100 Ambient Temperature, T Operate Point versus Ambient Temperature ...

Page 6

A1147 and A1148 Chopper-Stabilized Unipolar Hall Effect Switches THERMAL CHARACTERISTICS may require derating at maximum conditions, see application information Characteristic Package Thermal Resistance *Additional thermal information available on Allegro Web site. Low Current Ultrasensitive Two-Wire Symbol Test Conditions* Package LH, ...

Page 7

A1147 and A1148 Chopper-Stabilized Unipolar Hall Effect Switches Operation The output the A1147 device switches low after the CC magnetic field at the Hall element exceeds the operate point threshold When the magnetic field is ...

Page 8

A1147 and A1148 Chopper-Stabilized Unipolar Hall Effect Switches Chopper Stabilization Technique When using Hall-effect technology, a limiting factor for switchpoint accuracy is the small signal voltage developed across the Hall element. This voltage is disproportionally small relative to the offset ...

Page 9

A1147 and A1148 Chopper-Stabilized Unipolar Hall Effect Switches Typical Application Circuit The A114x family of devices must be protected by an external bypass capacitor connected between the supply, VCC, BYP and the ground, GND, of the device. C ...

Page 10

A1147 and A1148 Chopper-Stabilized Unipolar Hall Effect Switches Power Derating The device must be operated below the maximum junction temperature of the device Under certain combinations of J(max) peak conditions, reliable operation may require derating sup- plied power ...

Page 11

A1147 and A1148 Chopper-Stabilized Unipolar Hall Effect Switches EMC (Electromagnetic Compatibility) Requirements Package LH, 3-pin SOT VCC connection 3. GND Low Current Ultrasensitive Two-Wire Device Qualification Program Contact Allegro for information. Contact your ...

Page 12

A1147 and A1148 Chopper-Stabilized Unipolar Hall Effect Switches +0.12 2.98 –0.08 3 +0.10 2.90 –0. 10° REF 0.95 BSC For Reference Only; not for tooling use (reference dwg. 802840) Dimensions in millimeters Dimensions exclusive of mold flash, gate ...

Page 13

A1147 and A1148 Chopper-Stabilized Unipolar Hall Effect Switches 4.09 45° +0.08 3.02 –0.05 2.16 MAX 0.51 REF 1 2 15.75 ±0.51 +0.05 0.43 –0.07 Copyright ©2004-2010, Allegro MicroSystems, Inc. Allegro MicroSystems, Inc. reserves the right to make, from time to ...

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