A3251EUA-T Allegro Microsystems Inc, A3251EUA-T Datasheet - Page 3
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A3251EUA-T
Manufacturer Part Number
A3251EUA-T
Description
IC SW HALL EFFECT UNI 3-SIP
Manufacturer
Allegro Microsystems Inc
Type
Unipolar Switchr
Specifications of A3251EUA-T
Sensing Range
50G
Voltage - Supply
4.2 V ~ 24 V
Current - Supply
10mA
Current - Output (max)
20mA
Output Type
Digital, Open Collector
Features
Regulated Voltage
Operating Temperature
-40°C ~ 85°C
Package / Case
3-SIP
Magnetic Type
Unipolar
Operating Supply Voltage (min)
4.2V
Operating Supply Voltage (typ)
5/9/12/15/18V
Operating Supply Voltage (max)
24V
Output Current
20mA
Mag Sensor Operate Point (g)
50Gs
Package Type
Ultra Mini SIP
Pin Count
3
Mounting
Through Hole
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
A3250
A3251
Description (continued)
The other differences in the devices are the power-on state. The
A3250 powers-on in the HIGH state, while the A3251 powers-on
in the LOW state.
Three package styles provide a magnetically optimized package
Selection Guide
Absolute Maximum Ratings
A3250LLTTR-T
1
2
Supply Voltage
Reverse Supply Voltage
Zener Overvoltage
Output Current
Magnetic Flux Density
Operating Ambient Temperature
Maximum Junction Temperature
Storage Temperature
Contact Allegro for additional packing options.
In south polarity magnetic field of sufficient strength.
Part Number
1
2
UA
Pin-out Diagrams
3
Characteristic
and
1
LT
7-in. reel, 1000 pieces/reel
2
Packing
3
Terminal List
Symbol
T
1
V
J
V
I
(max)
Number
T
OUT
V
T
RCC
B
CC
stg
A
Z
1
2
3
Field-Programmable, Chopper-Stabilized,
Range E
Range L
Name
VOUT
VCC
GND
Surface mount
Package
Connects power supply to chip
Ground
Device output
for most applications. Type LT is a miniature SOT89/TO-243AA
surface mount package that is thermally enhanced with an
exposed ground tab, and type UA is a three-lead ultramini SIP
for through-hole mounting. The packages are lead (Pb) free, with
100% matte tin plated leadframes (suffix, –T).
Notes
Unipolar Hall-Effect Switches
–40 to 150
(ºC)
T
Function
A
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
Power-On
–40 to 150
–65 to 170
Unlimited
–40 to 85
High
Rating
26.5
–18
165
30
20
V
OUT
Running
Low
Units
mA
ºC
ºC
ºC
ºC
G
V
V
V
2
2