Two-Wire Self-Calibrating Differential Speed and Direction Sensor with Vibration Immunity

ATS651LSH

9

651LSH-DS, Rev. 3

Worcester, Massachusetts 01615-0036 (508) 853-5000

115 Northeast Cutoff, Box 15036

www.allegromicro.com

Allegro MicroSystems, Inc.

THERMAL CHARACTERISTICS may require derating at maximum conditions, see application information

Characteristic

Symbol

Test Conditions

Min. Typ.

Max Units

Package Thermal Resistance

1-layer PCB with copper limited to solder pads

126

–

–

ºC/W

connected by thermal vias

84

–

–

ºC/W

6

7

8

9

2

3

4

5

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

20

40

60

80

100

120

140

160

180

Power Derating Curve

0

100

200

300

400

500

600

700

800

900

1000

1100

1200

1300

1400

1500

1600

1700

1800

1900

20

40

60

80

100

120

140

160

180

Temperature (°C)

R

126

ºC/W

R

θJA

=

84

ºC/W