參數(shù)資料
型號(hào)： ATS636LSETN-T
廠商： Allegro MicroSystems, Inc.
英文描述： RESISTOR, FIXED, FILM, CHIP
中文描述： 可編程回到偏霍爾效應(yīng)的聚烯烴功能開關(guān)
文件頁(yè)數(shù)： 3/15頁(yè)
文件大?。?/td> 814K
代理商： ATS636LSETN-T
ATS635LSE and ATS636LSE
PROGRAMMABLE TRUE POWER-ON HALL-EFFECT GEAR-TOOTH SWITCHES
MAGNETIC CHARACTERISTICS over operating voltage and junction temperature range using
reference target (Unless otherwise noted)
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
Copyright 2005 Allegro MicroSystems, Inc.
Limits
Characteristics
Symbol
Test Conditions
Switch Point
Min.
Typ.
Max.
Units
–
7
–
Bit
Switch Point Polarity
–
1
–
Bit
Number of Programming
Bits
-
Programming Lock
–
1
–
Bit
Gear Tooth Sensor / Proximity Sensing Characteristics (Low Switchpoint Only)
Temp: 25°C Code –127
2.5
–
–
mm
1
Programming Air Gap
Range
AG
Range
Temp: 25°C Code +127
Temperature: 25°C
Program Air Gap = 2.5 mm
Device Programmed
to 2.5 mm
Over Tooth
(ATS635LSE)
–
–
1.5
mm
Programming Resolution
AG
Res
–
0.05
–
mm
2
Air Gap Drift Over Full
Temperature Range
AG
Drift
–
0.2
–
mm
–
HIGH
–
–
Over Valley
(ATS635LSE)
–
LOW
–
–
Over Tooth
(ATS636LSE)
–
LOW
–
–
Polarity
P
Over Valley
(ATS636LSE)
–
HIGH
–
–
1
The switch point will vary over temperature. A sufficient margin obtained through customer testing is required to guarantee functionality over
temperature. Programming at larger air gaps leaves no safety margin for switchpoint drift. See the applications note: “Proximity Sensing
Programming Technique”
http://www.allegromicro.com/techpub2/proximity_sensing/
or visit the Allegro website at
http://www.allegromicro.com
for additional information.
2
The switch point will vary over temperature, proportionally to the programmed air gap. This parameter is based on characterization data and is not
a tested parameter in production. Switch point air gap generally drifts downward as temperature increases.
Tooth and Valley Field vs. Air Gap
Reference Target
0
200
400
600
800
1000
1200
1400
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
Air Gap [mm]
F
Reference Target Tooth
Reference Target Valley
Reference Target Tooth and Valley Field vs. Air Gap
Reference Target Flux Density vs. Position
0
200
400
600
800
1000
1200
1400
0
30
60
90
120
150
210 240
270
300 330
360
P180
F
0.25
0.50
1.00
1.50
2.00
2.25
3.00
3.25
4.00
4.25
4.50
5.50
Reference Target Flux Density vs. Position: Typical
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