A3240ELT-T Allegro Microsystems Inc, A3240ELT-T Datasheet - Page 5

• Manufacturer Part Number: A3240ELT-T
• Description: IC SWITCH HALL EFFECT SOT-89
• Manufacturer: Allegro Microsystems Inc
• Type: Special Purposer

Specifications of A3240ELT-T

• Sensing Range: 50G Trip, 5G Release
• Voltage - Supply: 4.2 V ~ 24 V
• Current - Supply: 6mA
• Current - Output (max): 25mA
• Output Type: Digital, Open Collector
• Features: Regulated Voltage
• Operating Temperature: -40°C ~ 85°C
• Package / Case: SOT-89-3
• Magnetic Type: Bipolar
• Operating Supply Voltage (min): 4.2V
• Operating Supply Voltage (typ): 5/9/12/15/18V
• Operating Supply Voltage (max): 24V
• Output Current: 25mA
• Mag Sensor Operate Point (g): 50Gs
• Mag Sensor Release Point (g): 5Gs
• Mag Sensor Hysteresis(g): 10Gs
• Package Type: SOT-89
• Pin Count: 3 +Tab
• Mounting: Surface Mount
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

A3240
ELECTRICAL CHARACTERISTICS over operating temperature range.
NOTES: 1. Maximum voltage must be adjusted for power dissipation and junction temperature.
MAGNETIC CHARACTERISTICS over operating supply voltage and temperature ranges.
NOTES: 1. Typical Data is at T
Characteristic
Supply Voltage Range
Output Leakage Current
Output Saturation Voltage
Output Current Limit
Power-On Time
Chopping Frequency
Output Rise Time
Output Fall Time
Supply Current
Reverse Battery Current
Zener Voltage
Zener Impedance
Characteristic
Operate Point
Release Point
Hysteresis
2. B
3. Typical Data is at T
2. 1 gauss (G) is exactly equal to 0.1 millitesla (mT).
OP
= operate point (output turns on); B
A
A
= +25°C and V
= +25°C and V
Chopper-Stabilized, Precision Hall-Effect Switch
V
Symbol
Symbol
V
z
OUT(SAT)
z
Z
V
I
B
B
B
I
I
I
OFF
t
OM
f
CC
CC
+ z
CC
po
t
t
CC
+ V
hys
CC
C
OP
RP
r
f
= 12 V and is for design information only.
D
= 12 V and is for design information only.
RP
D
= release point (output turns off).
Test Conditions
Operating, T
V
I
B > B
V
R
R
B < B
B > B
V
I
I
Test Conditions
B
OUT
CC
CC
OUT
CC
RCC
L
L
OP
= 820 , C
= 820 , C
= 15 mA, T
= 15 mA, T
> 4.2 V
= 20 mA, B > B
- B
= 24 V, B < B
OP
RP
OP
= -30 V
, V
RP
, V
CC
CC
J
= 12 V
= 12 V
< 170°C
L
L
A
A
= 20 pF
= 20 pF
= 25°C
= 25°C
RP
OP
1
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
Min.
Min.
4.2
5.0
30
28
–
–
–
–
–
–
–
–
–
–
–
–
Typ.
Typ.
185
340
0.2
0.1
3.0
4.0
32
50
35
25
10
–
–
–
–
–
Limits
Limits
Max.
Max.
-5.0
500
2.0
2.0
6.0
6.0
24
10
60
50
37
50
–
–
–
–
Units
Units
kHz
mV
mA
mA
mA
mA
μA
μs
μs
μs

V
V
G
G
G
4