ATS665LSG datasheet(2/18 Pages) ALLEGRO

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ATS665LSG

TRUE ZERO-SPEED GEAR TOOTH SENSOR

OPERATING CHARACTERISTICS

Valid at TA = -40

oC to 150oC over air gap, unless otherwise noted

Typical operating parameters: Vcc = 12 V and TA = 25°C

Limits

Characteristics

Symbol

Test Conditions

Min.

Typ.

Max.

Units

ELECTRICAL CHARACTERISTICS

Supply Voltage

VCC

Operating; Tj < Tjmax

3.3

–

Under Voltage Lockout

VCC(UV)

–

< Vcc

min

Reverse Supply Current

IRCC

VCC = –18 V

–

–10

Supply Zener Clamp Voltage

Icc = IcconMAX + 3mA,TA = 25°C

26.5

–

Supply Zener Current

Test only; VCC = 28V, Tj < Tj(max)

–

Icconmax

+ 3

Output OFF

–

Supply Current

ICC

Output ON

–

POWER-ON STATE CHARACTERISTICS

Power-On State

SPO

–

High

–

Power-On Time

tPO

Gear Speed < 100 RPM; VCC > VCC min

–

200

µs

OUTPUT STAGE

Low Output Voltage

VSat

Output = ON, ISINK = 20 mA

–

225

400

Output Current Limit

Ilim

VOUT = 12 V, Tj < Tj(max)

Output Leakage Current

IOFF

Output = OFF, VOUT = 24 V

–

µA

Output Rise Time

RLOAD = 500 Ω, CLOAD = 10 pF

–

1.0

µs

Output Fall Time

RLOAD = 500 Ω, CLOAD = 10 pF

–

0.6

µs

SWITCH POINT CHARACTERISTICS

Target Speed

Reference target

–

12000

rpm

Bandwidth

f-3dB

–

kHz

Operate Point

BOP

% of peak-to-peak signal, AG < AG (max)

–

Release Point

BRP

% of peak-to-peak signal, AG < AG (max)

–

Final Version, Rev 1.0; DSD; 01Aug03

Page 2

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

115 Northeast Cutoff, Box 15036

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