A3212LLHLT Allegro Microsystems Inc, A3212LLHLT Datasheet - Page 5

• Manufacturer Part Number: A3212LLHLT
• Description: IC SWITCH HALL EFFECT SOT23W
• Manufacturer: Allegro Microsystems Inc
• Type: Digital Omnipolar Switchr

Specifications of A3212LLHLT

• Sensing Range: ±65G Trip, ±10G Release
• Voltage - Supply: 2.5 V ~ 3.5 V
• Current - Supply: 2mA
• Current - Output (max): 1mA
• Output Type: Digital, Open Collector
• Features: Ultra Sensitive
• Operating Temperature: -40°C ~ 150°C
• Package / Case: SOT-23W
• Magnetic Type: Latch
• Operating Supply Voltage (min): 2.5V
• Operating Supply Voltage (typ): 2.75V
• Operating Supply Voltage (max): 3.5V
• Output Current: 1mA
• Mag Sensor Operate Point (g): 65Gs
• Mag Sensor Release Point (g): 10Gs
• Mag Sensor Hysteresis(g): 5.9Gs
• Package Type: SOT-23W
• Pin Count: 3
• Mounting: Surface Mount
• Operating Temp Range: -40C to 150C
• Operating Temperature Classification: Automotive
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

NOTES: 1. Negative flux densities are defined as less than zero (algebraic convention), i.e., -50 G is less than +10 G.
A3211
A3212
NOTES: 1. Negative flux densities are defined as less than zero (algebraic convention), i.e., -50 G is less than +10 G.
A3211 MAGNETIC CHARACTERISTICS
A3212 MAGNETIC CHARACTERISTICS
Over Temperature Range E: T
Release Points
Over Temperature Range E: T
Release Points
Over Temperature Range L: T
Release Points
Characteristic
Operate Points
Characteristic
Operate Points
Operate Points
Hysteresis
Hysteresis
Hysteresis
2. B
3. Typical Data is at T
4. 1 gauss (G) is exactly equal to 0.1 millitesla (mT).
2. B
3. Typical Data is at T
4. 1 gauss (G) is exactly equal to 0.1 millitesla (mT).
OPx
OPx
and
= operate point (output turns off); B
= operate point (output turns on); B
Symbol
Symbol
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
OPS
OPN
RPS
RPN
HYS
OPS
OPN
RPN
OPS
OPN
RPN
RPS
HYS
RPS
HYS
A
A
South pole to branded side; B > B
North pole to branded side; B > B
South pole to branded side; B < B
North pole to branded side; B < B
|B
= +25°C and V
South pole to branded side; B > B
North pole to branded side; B > B
South pole to branded side; B < B
North pole to branded side; B < B
|B
South pole to branded side; B > B
North pole to branded side; B > B
South pole to branded side; B < B
North pole to branded side; B < B
|B
= +25°C and V
A
A
A
OPx
OPx
OPx
= –40°C to 150°C
= –40°C to 85°C
= –40°C to 85°C
- B
- B
- B
RPx
RPx
RPx
|
|
|
DD
DD
= 2.75 V and is for design information only.
= 2.75 V and is for design information only.
RPx
RPx
Test Conditions
Test Conditions
= release point (output turns on).
= release point (output turns off).
over operating voltage range (unless otherwise specified)
over operating voltage range (unless otherwise specified)
OP
RP
OP
RP
OP
RP
OP
RP
OP
RP
OP
RP
, V
, V
, V
, V
, V
, V
, V
, V
, V
, V
, V
, V
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
= Low (Output On)
= High (Output Off)
= High (Output Off)
= High (Output Off)
= Low (Output On)
= Low (Output On)
= High (Output Off)
= Low (Output On)
= High (Output Off)
= High (Output Off)
= Low (Output On)
= Low (Output On)
Micropower, Ultrasensitive
Hall-Effect Switches
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
Min.
Min.
–55
–55
–65
10
10
10
–
–
–
–
–
–
–
–
–
Typ.
Typ.
–40
–34
–40
–34
–40
–34
5.9
5.9
5.9
37
31
37
31
37
31
Limits
Limits
Max.
Max.
–10
–10
–10
55
55
65
–
–
–
–
–
–
–
–
–
Units
Units
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
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