A1140EUA Allegro Microsystems Inc, A1140EUA Datasheet - Page 6

• Manufacturer Part Number: A1140EUA
• Description: IC SWITCH HALL EFFECT UNI 3-SIP
• Manufacturer: Allegro Microsystems Inc
• Type: Unipolar Switchr

Specifications of A1140EUA

• Sensing Range: 110G Trip, 45G Release
• Voltage - Supply: 3.5 V ~ 24 V
• Current - Supply: 5mA
• Output Type: Digital, Open Drain
• Features: Regulated Voltage
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 3-SIP
• Magnetic Type: Unipolar
• Operating Supply Voltage (min): 3.5V
• Operating Supply Voltage (typ): 5/9/12/15/18V
• Operating Supply Voltage (max): 24V
• Mag Sensor Operate Point (g): 110Gs
• Mag Sensor Release Point (g): 45Gs
• Mag Sensor Hysteresis(g): 15Gs
• 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: Contains lead / RoHS non-compliant
• Current - Output (max): -
• Lead Free Status / Rohs Status: Not Compliant

A1140, A1142, and
A1143
THERMAL CHARACTERISTICS may require derating at maximum conditions, see application information
Package Thermal Resistance
*Additional thermal information available on Allegro Web site.
Characteristic
Symbol
1900
1800
1700
1600
1500
1400
1300
1200
1100
1000
900
800
700
600
500
400
300
200
100
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
R
10
9
8
7
6
5
4
3
2
0
θJA
20
20
Power Dissipation versus Ambient Temperature
40
40
2-layer PCB, Package LH
(R
1-layer PCB, Package UA
1-layer PCB, Package LH
(R
(R
Package LH, 1-layer PCB with copper limited to solder pads
Package LH, 2-layer PCB with 0.463 in.
connected by thermal vias
Package UA, 1-layer PCB with copper limited to solder pads
θJA
θJA
θJA
60
= 110 ºC/W)
= 165 ºC/W)
= 228 ºC/W)
Sensitive Two-Wire Chopper-Stabilized
60
Power Derating Curve
80
Temperature (ºC)
Temperature (°C)
80
100
100
120
Unipolar Hall Effect Switches
120
Test Conditions*
140
140
160
160
2
of copper area each side
180
180
V
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
V
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
CC(min)
CC(max)
Value Units
228
165
110
ºC/W
ºC/W
ºC/W
6