ATS617LSG datasheet(3/16 Pages) ALLEGRO

3 / 16 page

Dynamic, Self-Calibrating, Peak-Detecting, Differential

Hall Effect Gear Tooth Sensor IC

ATS617LSG

Allegro MicroSystems, Inc.

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

OPERATING CHARACTERISTICS over operating voltage and temperature range, unless otherwise noted

Characteristic

Symbol

Test Condition

Min.

Typ.1

Max.

Unit

Electrical Characteristics

Supply Voltage2

VCC

Operating, TJ < 165C

4.5

–

Supply Protection Resistor

–60

Undervoltage Lockout Threshold

VCC(UV) VCC = 0 → 5 V; VCC = 5 → 0 V

–

3.7

–

Output On Voltage

VOUT(SAT) IOUT = 15 mA, output on

–

100

400

Supply Zener Clamp Voltage

VZsupply ICC = 15 mA, TA = 25°C

–

Output Zener Clamp Voltage

VZoutput IOUT = 3 mA, TA = 25°C

–

Supply Zener Current

IZsupply

VS = 28 V

–

Output Zener Current

IZoutput

VOUT = 30 V

–

Output Current Limit

IOUTM

VOUT = 12 V

Output Leakage Current

IOUTOFF VOUT = 24 V, output off

–

μA

Supply Current

ICC

VCC > VCC(min)

Power-On Time

tPO

VCC > 5 V

–

500

μs

Power-On State

POS

VCC = 0 → 5 V

–

High

–

Output Rise Time3

RPU = 2 kΩ, CL = 4.7 nF, 10% to 90%

–

μs

Output Fall Time

VPU = 5 V, RPU = 2 kΩ, CL = 4.7 nF, 90% to 10%

–

μs

VPU =12 V, RPU = 2 kΩ, CL = 4.7 nF, 90% to 10%

μs

Performance Characteristics

Operating Air Gap Range

Allegro reference target 60+2 operating at or above Mini-

mum Operating Speed

0.4

–

2.5

Operating Magnetic Flux Density

Differential4

BAG(p-p) Operation at or above Minimum Operating Speed

–

Analog Signal Bandwidth

–

kHz

Minimum Operating Speed

SOP

Allegro 60+2 reference target

–

rpm

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