A1145LUA-T Allegro Microsystems Inc, A1145LUA-T Datasheet - Page 3

• Manufacturer Part Number: A1145LUA-T
• Description: IC SWITCH HALL EFFECT UNI 3-SIP
• Manufacturer: Allegro Microsystems Inc
• Type: Unipolar Switchr

Specifications of A1145LUA-T

• Sensing Range: 60G Trip, 10G Release
• Voltage - Supply: 3.5 V ~ 24 V
• Current - Supply: 6.9mA
• Output Type: Digital, Open Drain
• Features: Regulated Voltage
• Operating Temperature: -40°C ~ 150°C
• Package / Case: 3-SIP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output (max): -

A1145
A1146
Description (continued)
feature on-chip transient protection and a Zener clamp to protect
against overvoltage conditions on the supply line.
The output currents of the A1146 switches HIGH in the presence
of a south (+) polarity magnetic field of sufficient strength, and
switches LOW otherwise, as in the presence of a weak field or a
north (–) polarity field. The A1145 has an opposite output: the
currents switch LOW in the presence of a south-polarity magnetic
Absolute Maximum Ratings
Selection Guide
A1145ELHLT-T
A1145EUA-T
A1146ELHLT-T
A1146EUA-T
A1146LLHLT-T
A1146LUA-T
1
2
3
6 months, the device will enter its final, Last Time Buy, order phase. Status change: January 31, 2011. Suggested replacements: for the
A1145ELHLT-T use the A1155LLHLX-T, for the A1146ELHLT-T and the A1146LLHLT-T use the A1156LLHLX-T.
4
currently restricted to existing customer applications. The variant should not be purchased for new design applications because obsoles-
cence in the near future is probable. Samples are no longer available. Status change: January 31, 2011.
Supply Voltage
Reverse Supply Voltage
Magnetic Flux Density
Operating Ambient Temperature
Maximum Junction Temperature
Storage Temperature
Contact Allegro for additional packing options.
South (+) magnetic fields must be of sufficient strength.
This variant is in production, however, it has been deemed Pre-End of Life. The product is approaching end of life. Within a minimum of
Variant is in production but has been determined to be NOT FOR NEW DESIGN. This classification indicates that sale of the variant is
Part Number
Characteristic
4
4
4
and
3
3
3
Tape and Reel, 3000 pieces/reel
Bulk Bag, 500 pieces/bag
Tape and Reel, 3000 pieces/reel
Bulk Bag, 500 pieces/bag
Tape and Reel, 3000 pieces/reel
Bulk Bag, 500 pieces/bag
Packing
Symbol
T
J
V
V
(max)
T
RCC
T
B
stg
CC
A
1
Ultrasensitive Two-Wire Chopper-Stabilized
Range E
Range L
Surface Mount
Surface Mount
Surface Mount
Through Hole
Through Hole
Through Hole
Package
field of sufficient strength, and switch HIGH otherwise.
Both versions are offered in two package styles. The LH is a SOT-
23W, miniature low-profile package for surface-mount applications.
The UA is a three-lead ultramini SIP for through-hole mounting.
Each package is available in a lead (Pb) free version (suffix, –T)
with 100% matte tin plated leadframe. Field-programmable versions
also available: A1185 and A1186.
Notes
Unipolar Hall Effect Switches
Operating Ambient
Temperature, T
–40 to 150
–40 to 85
–40 to 85
(°C)
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
–40 to 150
–65 to 170
Unlimited
–40 to 85
A
Rating
–18
165
28
South (+) Field
Output Level in
High
Low
Units
ºC
ºC
ºC
ºC
G
V
V
2
2