ATS667LSGTN-T 查看數據表（PDF） - Unspecified

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ATS667LSGTN-T

True Zero-Speed, High Accuracy Gear Tooth Sensor IC

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ATS667LSG True Zero-Speed, High Accuracy Gear Tooth Sensor IC

OPERATING CHARACTERISTICS Valid over operating voltage and temperature ranges; unless otherwise noted

Characteristics

Symbol

Test Conditions

Min.

Typ.1

Max.

Electrical Characteristics

Supply Voltage2

Undervoltage Lockout (UVLO)

Reverse Supply Current

Supply Zener Clamp Voltage

Supply Zener Current

Supply Current

VCC

Operating, TJ < TJ(max)

4.0

–

24

VCC(UV)

–

3.5

3.95

IRCC

VCC = –18 V

–

–

– 10

VZ

ICC = 15 mA, TA = 25 °C

26.5

–

–

IZ

TA = 25°C, TJ < TJ(max), continuous, VZ = 26.5 V

–

–

15

Output off

ICC

Output on

4

7

12

4

7

12

Power-On State Characteristics

Power-On State

POS Connected as in figure 6

–

High

–

Power-On Time3

OUTPUT STAGE

tPO

SROT < 200 rpm; VCC > VCC(min)

–

–

2

Low Output Voltage

Output Zener Clamp Voltage

Output Current Limit

Output Leakage Current

Output Rise Time

VOUT(SAT)

VZOUT

IOUT(LIM)

IOUT(OFF)

tr

IOUT = 10 mA, Output = on

IOUT = 3 mA, TA = 25°C

VOUT = 12 V, TJ < TJ(max)

Output = off, VOUT = 24 V

RPULLUP = 1 kΩ, CL = 4.7 nF, VPULLUP = 12 V,

10% to 90%, connected as in figure 6

–

100

250

26.5

–

–

25

45

70

–

–

10

–

10

–

Output Fall Time

tf

RPULLUP = 1 kΩ, CL = 4.7 nF, VPULLUP = 12 V,

90% to 10%, connected as in figure 6

–

0.6

2

D-to- A Converter (DAC) Characteristics

Allowable User Induced Differential

Offset4,5

BDIFFEXT User induced differential offset

–

±60

–

Calibration

Initial Calibration6

CALI

Possible reduced edge detection accuracy, duty

cycle not guaranteed

–

1

6

Update Method

Running mode operation, bounded for

decreasing AG, unlimited for increasing AG

–

Continuous

–

Operating Characteristics (with Allegro 60-0 Reference Target)

Operational Air Gap Range7

AGOP Repeatability and duty cycle within specification

0.5

–

2.5

Maximum Operational Air Gap Range

AGOPMAX Output switching only (no missing edges)

–

–

3.1

Relative Repeatability8

TθE

100 Gpk-pk ideal sinusoidal signal, TA = 150°C,

SROT = 1000 rpm (f = 1000 Hz)

–

0.12

–

Maximum Single Outward Sudden Air

Gap Change9

ΔAGMAX

Percentage of most recent AGpk-pk , single

instantaneous air gap increase, f < 500 Hz,

VPROC(pk-pk) > VLOE after sudden AG change

–

40

–

Duty Cycle

D

Wobble < 0.5 mm, AGOP < AGOPMAX , direction

of target rotation pin 1 to pin 4

42

47

52

Unit

V

V

mA

V

mA

mA

mA

–

ms

mV

V

mA

μA

μs

μs

G

edge

–

mm

mm

deg.

%

%

Continued on the next page…

Allegro MicroSystems, Inc.

3

115 Northeast Cutoff

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

1.508.853.5000; www.allegromicro.com

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