ATS643LSH datasheet(3/16 Pages) ALLEGRO

3 / 16 page

ATS643-DS, Rev. 1

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

115 Northeast Cutoff, Box 15036

www.allegromicro.com

Allegro MicroSystems, Inc.

Self-Calibrating, Zero-Speed Differential GTS with Continuous Update

ATS643LSH

OPERATING CHARACTERISTICS using reference target 60-0, TA and VCC within specification, unless otherwise noted

Characteristic

Symbol

Test Conditions

Min.

Typ.

Max.

Units

ELECTRICAL CHARACTERISTICS

Supply Voltage

VCC

Operating; TJ < 165 °C

4.0

–

Undervoltage Lockout

VCC(UV)

VCC 0 → 5 V

–

3.5

4.0

Supply Zener Clamp Voltage

ICC = 19 mA for ATS643-I1, and 19.8 mA for

ATS643-I2; TA = 25°C

–

Supply Current

ICC(Low)

ATS643-I1

4.0

8.0

ATS643-I2

5.9

8.4

ICC(High)

ATS643-I1

12.0

14.0

16.0

ATS643-I2

11.8

14.0

16.8

Supply Current Ratio

ICC(High)

ICC(Low)

Ratio of high current to low current

1.85

–

3.05

–

POWER-ON CHARACTERISTICS

Power-On State

ICC(PO)

t < ton; dI/dt < 5 µs

–

High

–

Power-On Time1

ton

Target gear speed < 100 rpm

–

OUTPUT STAGE

Output Slew Rate2

dI/dt

RLOAD = 100 Ω, CLOAD = 10 pF

–

mA/µs

Output State

VOUT

RSENSE on high side (VCC pin); ICC = ICC(High)

–

Low

–

RSENSE on low side (GND pin); ICC = ICC(High)

–

High

–

Continued on the next page.

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