ATS19580LSNBTN-FDIHBO datasheet(4/16 Pages) ALLEGRO

4 / 16 page

Large Air Gap, GMR Transmission Speed and Direction

Sensor IC for Gear Tooth Sensing

ATS19580

Allegro MicroSystems

955 Perimeter Road

Manchester, NH 03103-3353 U.S.A.

www.allegromicro.com

Characteristic

Symbol

Test Conditions

Min.

Typ. [1]

Max.

Unit

ELECTRICAL SUPPLY CHARACTERISTICS

Supply Voltage [2]

VCC

Voltage across pin 1 and pin 3; does not include

voltage across RL

–

Undervoltage Lockout

VCC(UV)

–

3.95

Reverse Supply Current [3]

IRCC

VCC = –18 V

–10

–

Supply Current

ICC(LOW) Low-current state

5.9

–

ICC(HIGH) High-current state

–

Supply Current Ratio

ICC(HIGH) /

ICC(LOW)

Ratio of high current to low current (isothermal)

1.9

–

ASIL Safety Current

IFAULT

VCC ≤ 14 V, -A (ASIL) variant

1.5

–

3.9

ELECTRICAL PROTECTION CHARACTERISTICS

Supply Zener Clamp Voltage

VZsupply ICC = 19 mA

–

Reverse Supply Zener Clamp Voltage VRZSUPPLY ICC = –3 mA

–

–18

POWER-ON STATE CHARACTERISTICS

Power-On State

POS

VCC > VCC(min)

ICC(LOW)

–

Power-On Time [4]

tPO

Time from VCC > VCC(min), until device has

entered Calibration mode

–

OUTPUT CHARACTERISTICS

Output Rise Time

Voltage measured at pin 3

(see Figure 1),

RL = 100 Ω, CL = 10 pF, measured

between 10% and 90% of signal

Capacitor

L variant

4.5

8.8

μs

Capacitor

B variant

μs

Output Fall Time

Voltage measured at pin 3

(see Figure 1),

RL = 100 Ω, CL = 10 pF, measured

between 10% and 90% of signal

Capacitor

L variant

4.5

8.8

μs

Capacitor

B variant

μs

Pulse Width, Fault

tw(FAULT)

RL = 100 Ω, CL = 10 pF, pulse

duration measured at threshold of

(ICC(LOW) + IFAULT) / 2

-A (ASIL)

variant

–

OPERATING CHARACTERISTICS: Valid throughout full operating and temperature ranges, unless otherwise specified

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