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参数资料
| 型号： | ATS651LSH |
| 厂商： | Allegro MicroSystems, Inc. |
| 英文描述： | Two-Wire Self-Calibrating Differential Speed and Direction Sensor with Vibration Immunity |
| 中文描述： | 双线自校准差分速度和方向传感器的振动免疫 |
| 文件页数： | 4/12页 |
| 文件大小： | 438K |
| 代理商： | ATS651LSH |
4
651LSH-DS
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Two-Wire Self-Calibrating Differential Speed and Direction Sensor with Vibration Immunity
ATS651LSH
SWITCHING CHARACTERISTICS Valid for –40°C
≤
T
A
≤
150°C, T
J
≤
165°C, unless otherwise noted
Characteristics
Symbol
Test Conditions
Min.
Typ.
Max.
Units
Operate Point
B
OP
% of peak-to-peak referenced from PDAC to NDAC,
AG
OP
< AG
OP(max)
% of peak-to-peak referenced from PDAC to NDAC,
AG
OP
< AG
OP(max)
–
58
–
%
Release Point
B
RP
–
42
–
%
Axial/Radial Runout
1
(Multiple teeth)
Sudden Air Gap
(Single tooth)
RO
A/R
–
–
±1.75
mm
Δ
AG
SAG
Instantaneous air gap change (<500 Hz)
–
–
±0.4
mm
Incremental Air Gap
(Consecutive edges)
Δ
AG
IR+
Air gap change between edges @ >8 kHz
–
–
±0.1
mm
Air gap change between edges @ 8-4 kHz
±0.15
mm
Δ
AG
IR-
Air gap change between edges @ <4 kHz
–
–
±0.2
mm
Vibration Immunity
(At power-on)
ROT
VIBS
Rotation allowed due to vibration with temperature change
less than 10°C
–
–
±0.75
(°)
Vibration Immunity
2
(Running)
ROT
VIBR
Rotation allowed due to vibration with temperature change
less than 10°C
–
–
±0.35
(°)
Maximum Operating Frequency
3
f
L
f
R
Rotation Left (target rotation CCW, pin 1 to pin 4), t
LD
= 38
μ
s
Rotation Right (target rotation CW, pin 4 to pin 1), t
LD
= 38
μ
s
6
–
–
kHz
12
–
–
kHz
1
Inclusive of all Sudden Air Gap and Incremental Air Gap changes during operation.
2
Device may output one reverse pulse at the start of vibration.
3
Maximum Operating Frequency may be increased if the customer can resolve Minimum Low-State Duration levels down to the specified value.
ATS651LSH Switchpoints
100 %
D
F
Valley
Tooth
B+
B–
t
B
OP
%
B
OP
B
RP
B
RP
%
Device Characteristics Tables (Continued)
Continued on the next page...
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