ATS674 datasheet(4/20 Pages) ALLEGRO

4 / 20 page

ATS673LSE-DS

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

115 Northeast Cutoff, Box 15036

www.allegromicro.com

Allegro MicroSystems, Inc.

Self-Calibrating TPOS Gear Tooth Sensor Optimized for Automotive Cam Sensing Applications

ATS673 and ATS674

OPERATING CHARACTERISTICS Valid at TA = –40°C to 150°C, TJ ≤TJ(max), over full range of AG, unless otherwise noted

Characteristic

Symbol

Test Conditions

Min.

Typ.1

Max.

Units

Continued on the next page...

ELECTRICAL CHARACTERISTICS

Supply Voltage

VCC

Operating; TJ < TJ(Max)

3.3

–

26.5

Undervoltage Lockout

VCCUV

––

<VCC(Min)

Supply Zener Clamp Voltage

VZSupply

ICC = ICC(Max) + 3 mA, TA = 25°C

Supply Zener Current2

IZSupply

VSupply = 27 V

–

Supply Current

ICC

Output = OFF or ON

6.5

Reverse Supply Current

IRCC

VRCC = –18 V

–

–5

–10

POWER-ON CHARACTERISTICS

Power-On Time3

tPO

Gear Speed < 100 rpm; VCC > VCC(Min)

–

500

µs

OUTPUT CHARACTERISTICS

Low Output Voltage

VOUT(Sat)

ISINK = 15 mA, Output = ON

–

200

450

Output Zener Voltage

VZOUT

IOUT = 3 mA, TA = 25°C

–

Output Current Limit

IOUTLIM

Output = ON, VOUT = 12 V

Output Leakage Current

IOUTOFF

Output = OFF, VOUT = VCC(Max)

––

µA

Output Rise Time

10/90% points; RLOAD = 500 Ω, CLOAD = 10 pF, TA = 25°C

–

0.9

µs

Output Fall Time

10/90% points; RLOAD = 500 Ω, CLOAD = 10 pF, TA = 25°C

–

0.5

µs

Output Polarity

VOUT

HT device option

Over tooth

–

HIGH

–

Over valley

–

LOW

–

LT device option

Over tooth

–

LOW

–

Over valley

–

HIGH

–

100

Output Rise and Fall Time

VOUT(High)

VOUT(Low)

V+

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