ATS627LSG datasheet(3/22 Pages) ALLEGRO

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True Zero Speed, Low Jitter, High Accuracy

Position Sensor IC

ATS627LSG

Allegro MicroSystems, Inc.

115 Northeast Cutoff

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

1.508.853.5000; www.allegromicro.com

OPERATING CHARACTERISTICS Valid through full operating supply voltage and ambient temperature ranges, using

Reference Target 60+2; unless otherwise specified

Characteristics

Symbol

Test Conditions

Min.

Typ.1

Max.

Unit

Electrical Characteristics

Supply Voltage2

VCC

Operating, TJ < TJ(max)

4.0

–

Undervoltage Lockout

VCC(UV)

VCC = 0 → 5 V or 5 → 0 V

–

3.6

3.95

Reverse Supply Current3

IRCC

VCC = VRCC(max)

–

–10

Supply Zener Clamp Voltage

VZsupply

ICC = ICC(max) + 3 mA, TA = 25ºC

–

Supply Current

ICC

–

Test Pin Zener Clamp Voltage4

VZTEST

–6

–

Power-On Characteristics

Power-On State

POS

VOUT, IC connected as in figure 8

–

High

–

Output Stage Characteristics

Low Output Voltage

VOUT(SAT) VOUT = On (VOUT = low), IOUT = 20 mA

–

450

Output Zener Clamp Voltage

VZOUTPUT

IOUT = 3 mA, TA = 25°C

–

Output Leakage Current

IOUT(OFF) VOUT = Off (VOUT = high)

–

μA

Output Current Limit

IOUT(LIM)

VOUT = On (VOUT = low), TJ < TJ(max)

Output Rise Time

VPU = 12 V, RPU = 1.0 kΩ, CLOAD = 4.7 nF

–

μs

Output Fall Time

VPU = 12 V, RPU = 1.0 kΩ, CLOAD = 4.7 nF

–

0.6

μs

DAC Characteristics

Allowable User-Induced Offset5

BDIFFEXT

–60

–

Other Operating Characteristics, with Continuous Update method, bounded for increasing and decreasing AG

Running Mode Lockout Enable

LOE

–

115

–

Running Mode Lockout Release

LOR

–

220

–

Operate Point

BOP

% of peak-to-peak VPROC, referenced from

PDAC to NDAC, VOUT high → low

–

Release Point

BRP

% of peak-to-peak VPROC, referenced from

PDAC to NDAC, VOUT low → high

–

Bandwidth

f-3dB

Cutoff frequency for low pass filter

–

kHz

Operational Speed

SROT

–

12 000

rpm

Performance Characteristics

Operational Magnetic Range

BIN

Peak-to-peak differential signal

–

1200

Air Gap

Compliant to accuracy specifications, measured

from package branded face to target tooth

0.5

–

2.5

No missed edges, measured from package

branded face to target tooth

0.5

–

3.0

Relative Timing Accuracy, Sequential

Mechanical Rising Edges

ERRRR

0.5 mm ≤ AG ≤ 2.5 mm; constant target speed,

Running mode; relative to measurement taken

at AG = 1.5 mm

–

±0.4

deg.

Continued on the next page…

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