A1454 Datasheet, PDF (2/15 Pages) Allegro MicroSystems – 3V Hall Effect Linear Sensor with I2C Output

A1454
3V Hall Effect Linear Sensor with I²C Output
Selection Guide
Part Number
Sensitivity
A1454KLETR-2F-T
2 LSB/G
A1454KLETR-4F-T
4 LSB/G
A1454KLETR-2N-T
2 LSB/G
A1454KLETR-4N-T
4 LSB/G
*Contact Allegro^™ for additional packing options.
SPECIFICATIONS
Target Magnet
Ferrite
Ferrite
Neodymium
Neodymium
Packing
Package
4000 pieces per reel 8-Pin TSSOP Package
Absolute Maximum Ratings
Characteristic
Symbol
Notes
Rating
Unit
Forward Supply Voltage
V_CC
5.0
V
Reverse Supply Voltage
V_RCC
–0.1
V
Forward SCL Pin Voltage
V_I2C(SCL)
5.5
V
Forward SDA Pin Voltage
V_I2C(SDA)
5.5
V
Reverse SCL and SDA Voltage
V_RI2C
–0.1
V
Operating Ambient Temperature
T_A
Range K
–40 to 125
ºC
Maximum Junction Temperature
T_J(max)
165
ºC
Storage Temperature¹
T_stg
–65 to 170
ºC
1_{Stresses Beyond the Absolute Maximum Ratings may result in permanent device damage. Exposure to absolute maximum rating conditions for extended periods of time}
may affect device reliability.
Thermal Characteristics may require derating at maximum conditions, see application information
Characteristic
Symbol
Test Conditions*
Package Thermal Resistance
R_θJA
On single-layer PCB with copper limited to solder pads
*Additional thermal information available on the Allegro website.
Value Unit
137 ºC/W
Pin-out Diagram and Terminal List Table
VCC 1
ADR0 2
GND 3
NC 4
8 SCL
7 SDA
6 ADR1
5 NC
Package LE, 8-Pin TSSOP Pin-out Diagram
Terminal List Table
Number
Name
1
VCC
2
ADR0
3
GND
4
NC
5
NC
6
ADR1
7
SDA
8
SCL
Function
Device Supply Voltage Pin
Address Select Pin 0
Device Ground Pin
No Connection
No Connection
Address Select Pin1
I²C interface SDA Pin
I²C interface SCL Pin
Allegro MicroSystems, LLC
2
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com