A16601 datasheet(4/13 Pages) ALLEGRO

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AC-Coupled Differential Crankshaft Speed Sensor IC

A16601

Allegro MicroSystems

955 Perimeter Road

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

www.allegromicro.com

OPERATING CHARACTERISTICS: Valid at TA = –40°C to 160°C, TJ ≤ 175°C, over operational air gap range and VCC within

operating range, unless otherwise noted. Typical operating parameters: VCC=12 V and TA=25°C.

Characteristic

Symbol

Test Conditions

Min.

Typ.

Max.

Unit [1]

ELECTRICAL CHARACTERISTICS

Supply Voltage

VCC

Operating; TJ < TJ(max)

4.0

–

26.5

Undervoltage Lockout

VCC(UV)

VCC from 5 V → 0 V

–

3.6

VCC from 0 V → 5 V

–

<VCC(min)

Supply Current

ICC

–

4.2

7.0

Output Saturation Voltage

VOUT(SAT) IOUT = 20 mA

–

140

400

Output Leakage Current

IOFF

VOUT = 24 V, Bdiff = 0 G

–

μA

PROTECTION COMPONENT CHARACTERISTICS

Reverse Supply Current

IRCC

VCC = –18 V

–

–1

Supply Zener Current

IZSupply

VCC = 28 V

–

Supply Zener Clamp Voltage [2]

VZSupply

ICC = 11 mA, TA = 25°C

Output Zener Current

IZOutput

VOUT = 28 V

–

Output Zener Clamp Voltage

VZOutput

IOUT = 3 mA, TA = 25°C

–

Output Short Circuit Current Limit

IOUTS(lim)

RESPONSE CHARACTERISTICS

Power-On State

POS

t < tPO [9]

–

High

–

Power-On Time [3][7]

tPO

VCC > VCC(min)

–

4.5

Settling Time [4][7]

tSettle

fBdiff ≥ 100 Hz

–

Response Time [7]

tResponse Equal to tPO + tSettle; fBdiff ≥ 100 Hz

–

Minimum Corner Frequency, Upper

fcu

–3 dB, single pole

–

kHz

Maximum Corner Frequency, Lower

fcl

–3 dB, single pole

–

OUTPUT CHARACTERISTICS

Output Rise Time [5]

RPU = 1 kΩ, VCC = 5 V

–

µs

Output Fall Time

RPU = 1 kΩ, CL = 10 pF, IOUT = 5 mA

–

0.5

µs

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