ATS645LSH datasheet(7/14 Pages) ALLEGRO

7 / 14 page

True Zero Speed Miniature Differential Peak-

Detecting Gear Tooth Sensor

ATS645LSH

Allegro MicroSystems, Inc.

115 Northeast Cutoff, Box 15036

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

www.allegromicro.com

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

CHARACTERISTIC

Symbol

TEST CONDITIONS*

Value

Units

Package Thermal Resistance

RθJA

Single-layer PCB with copper limited to solder pads

126

ºC/W

Two-layer PCB with 3.8 in.2 of copper area on each side con-

nected with thermal vias and to device ground pin

ºC/W

*Additional information is available on the Allegro Web site.

100

120

140

160

180

Temperature (ºC)

TJ(max) = 165ºC; ICC =ICC(max)

Power Derating Curve

(RθJA = 126 ºC/W)

(RθJA = 84 ºC/W)

VCC(min)

VCC(max)

100

200

300

400

500

600

700

800

900

1000

1100

1200

1300

1400

1500

1600

1700

1800

1900

100

120

140

160

180

Temperature (°C)

TJ(max) =165ºC;VCC =VCC(max);ICC =ICC(max)

Maximum Power Dissipation, PD(max)

θJA =

126

ºC/

)

θJA

ºC/W

)

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