AATS643LSH_06 Datasheet, PDF (8/16 Pages) Allegro MicroSystems – Self-Calibrating, Zero-Speed Differential Gear Tooth Sensor with Continuous Update

ATS643LSH
Self-Calibrating, Zero-Speed Differential
Gear Tooth Sensor with Continuous Update
THERMAL CHARACTERISTICS may require derating at maximum conditions, see application information
Characteristic
Symbol
Test Conditions
Min. Typ. Max Units
Package Thermal Resistance
Minimum-K PCB (single-sided with copper limited to
solder pads)
126
–
– ºC/W
R_θJA
Low-K PCB (single-sided with copper limited to solder
pads and 3.57 in.² (23.03 cm²) of copper area)
84
–
– ºC/W
Power Derating Curve
T_J(max) = 165ºC; I_CC = I_CC(max)
25
24
23
22
21
20
19
18
V_CC(max)
17
16
15
14
Low-K PCB
13
(R_θJA = 84 ºC/W)
12
11
Minimum-K PCB
10
(R_θJA = 126 ºC/W)
9
8
7
6
5
4
3
V_CC(min)
2
20 40 60 80 100 120 140 160 180
1900
1800
1700
1600
1500
1400
1300
1200
1100
1000
900
800
700
600
500
400
300
200
100
0
20
Maximum Power Dissipation, P_D(max)
T_J(max) = 165ºC; V_CC = V_CC(max); I_CC = I_CC(max)
(RM_θJⁱ_A^nim= _{u1m26-K(ºRC}^θ_PL^J_/^{AoCWw=B-)K84PºCCB/W)}
40 60 80 100 120 140 160 180
Temperature (°C)
Allegro MicroSystems, Inc.
8
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com