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| 型号： | ATS612JSB |
| 厂商： | Allegro MicroSystems, Inc. |
| 英文描述： | Silver Mica Capacitor; Capacitance:8pF; Capacitance Tolerance: 0.5pF; Series:CD17; Voltage Rating:500VDC; Capacitor Dielectric Material:Mica; Termination:Radial Leaded; Lead Pitch:5.9mm; Leaded Process Compatible:Yes RoHS Compliant: Yes |
| 中文描述： | 动态，自校准，峰值检测，差分霍尔效应齿轮齿传感器 |
| 文件页数： | 9/16页 |
| 文件大小： | 208K |
| 代理商： | ATS612JSB |
ATS612LSB
DYNAMIC, SELF-CALIBRATING, PEAK-DETECTING,
DIFFERENTIAL HALL-EFFECT GEAR-TOOTH SENSOR
9
www.allegromicro.com
DEVICE DESCRIPTION — Continued
Tilted or off-center installation.
Traditional differen-
tial sensors will switch incorrectly due to baseline
changes versus air gap caused by tilted or off center
installation. The peak detector circuitry references the
switch point from the peak and is immune to this failure
mode. There may be a timing accuracy shift caused by
this condition.
Large operating air gaps.
Operating air gaps greater
than 2.5 mm are easily achievable (dependent on target
dimensions, material, and speed) with this device due
to the sensitive switch points after start up.
Immunity to magnetic overshoot.
The air gap-
in
dependent hysteresis minimizes the impact of over-
shoot on the switching of device output.
Response to surface defects in the target.
The gain-
adjust circuitry reduces the effect of minor gear anoma-
lies that would normally cause false switching.
Immunity to vibration and backlash.
The gain-adjust
circuitry keeps the hysteresis of the device roughly
proportional to the peak to peak signal. This allows the
device to have good immunity to vibration even when
operating at close air gaps.
Immunity to gear run out.
The differential sensor
configuration eliminates the base line variations caused
by gear run out.
Differential vs. Single-Element Sensing
. The differential
Hall-element configuration is superior in most applications
to the classical single-element gear-tooth sensor. As
shown in the flux maps on th
is
page, the
single-element configuration commonly used (Hall-effect
sensor mounted on the face of a simple permanent
magnet) requires the detection of a small signal (often
<100G) that is superimposed on a large back-biased field,
often 1500G to 3500G. For most gear/target configura-
tions, the back-biased field values change due to concen-
tration effects, resulting in a varying baseline with air gap,
with valley widths, with eccentricities, and with vibration.
The differential configuration cancels the effects of the
back-biased field and avoids many of the issues presented
by the single Hall element.
NOTE — 10 G = 1 mT, exactly.
Single-element flux maps
showing the impact of varying valley widths
Differential flux maps vs. air gaps
10
20
30
60
-2000
-5000
ANGLE OF TARGET ROTATION IN DEGREES
-2500
-4000
-4500
0
Dwg. GH-061-1
S
-3500
-3000
T A
°
C
50
40
TARGET
AIR GAP = 0.5 mm
AIR GAP = 1.0 mm
AIR GAP = 1.5 mm
AIR GAP = 2.5 mm
AIR GAP = 2.0 mm
10
20
30
60
1500
-1500
ANGLE OF TARGET ROTATION IN DEGREES
1000
-500
-1000
0
Dwg. GH-061
D
0
500
T A
°
C
50
40
TARGET
AIR GAP = 2.5 mm
AIR GAP = 2.0 mm
AIR GAP = 1.5 mm
AIR GAP = 0.5 mm
AIR GAP = 1.0 mm
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ATS612LSB | 功能描述:IC SENSOR GEAR TOOTH 4LEAD RoHS:否 类别:传感器，转换器 >> 磁性 - 霍尔效应，数字式开关，线性，罗盘 (IC) 系列:- 标准包装:1 系列:- 传感范围:20mT ~ 80mT 类型:旋转 电源电压:4.5 V ~ 5.5 V 电流 - 电源:15mA 电流 - 输出（最大）:- 输出类型:数字式，PWM，8.5 位串行 特点:可编程 工作温度:-40°C ~ 150°C 封装/外壳:20-SSOP（0.209"，5.30mm 宽） 供应商设备封装:20-SSOP 包装:Digi-Reel® 其它名称:AS5132-HSST-500DKR |
| ATS612LSB_1 | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:Dynamic, Self-Calibrating, Peak-Detecting, Differential Hall Effect Gear Tooth Sensor |
| ATS612LSG | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:DYNAMIC, SELF-CALIBRATING, PEAK-DETECTING, DIFFERENTIAL HALL-EFFECT GEAR-TOOTH SENSOR |
| ATS-61300D-C1-R0 | 功能描述:散热片 FANSINK ASSY 29.25X29.25X9.5 (MM) RoHS:否 制造商:Ampro By ADLINK 产品:Heat Sink Accessories 安装风格:Through Hole 散热片材料: 散热片样式: 热阻: 长度: 宽度: 高度: 设计目的:Express-HRR |
| ATS-61300K-C1-R0 | 功能描述:散热片 FANSINK ASSY 29.25 X 29.25 X 14.5 (MM) RoHS:否 制造商:Ampro By ADLINK 产品:Heat Sink Accessories 安装风格:Through Hole 散热片材料: 散热片样式: 热阻: 长度: 宽度: 高度: 设计目的:Express-HRR |
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