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| 型号： | ATS643LSHTN-I1-T |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 13/16页 |
| 文件大小： | 492K |
| 描述： | IC SENSOR GEAR TOOTH 4-SIP |
| 产品培训模块： | Current Sensor |
| 标准包装： | 800 |
| 传感范围： | 65% 跳闸，35% 释放 |
| 类型： | 专用型 |
| 电源电压： | 4 V ~ 24 V |
| 电流 - 电源： | 8mA |
| 输出类型： | 数字，开路集电极 |
| 特点： | 轮齿类型 |
| 工作温度： | -40°C ~ 150°C |
| 封装/外壳： | 4-SIP |
| 供应商设备封装： | 4-SIP |
| 包装： | 带卷 (TR) |
Self-Calibrating, Zero-Speed Differential
Gear Tooth Sensor IC with Continuous Update
ATS643LSH
12
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
Start Mode Hysteresis. This feature helps to ensure optimal
self-calibration by rejecting electrical noise and low-amplitude
target vibration during initialization. This prevents AGC from
calibrating the IC on such spurious signals. Calibration can be
performed using the actual target features.
A typical scenario is shown in figure 6. The hysteresis, PO
HYS
,
is a minimum level of the peak-to-peak amplitude of the internal
analog electrical signal, V
PROC
, that must be exceeded before the
ATS643 starts to compute switchpoints.
Figure 6. Operation of Start Mode Hysteresis
Position 1. At power-on, the ATS643 begins sampling V
PROC
.
Position 2. At the point where the Start Mode Hysteresis is exceeded, the device begins to establish switching thresholds (B
OP
and B
RP
) using the Con-
tinuous Update algorithm. After this point, Start Mode Hysteresis is no longer a consideration. Note that a valid V
PROC
value exceeding the Start Mode
Hysteresis can be generated either by a legitimate target feature or by excessive vibration.
Position 3. In this example, the first switchpoint transition is through B
OP
. and the output transitions from high to low.
If the first switchpoint transition had been through B
RP
(such as position 4), no output transition would occur because I
OUT
already would be in the high
polarity. The first transition would occur at position 5 (B
OP
).
B
RP(#1)
B
OP(#1)
B
OP(#2)
1
3
4
5
5
2
1
2
Start Mode Hysteresis, PO
HYS
Output Signal, I
OUT
Package Position Relative to Target
Target Magnetic Profile
Differential Signal, V
PROC
Target, Gear
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ATS643LSHTN-I2-T | 功能描述:IC SENSOR GEAR TOOTH 4-SIP RoHS:是 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 |
| ATS645 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:True Zero Speed Miniature Gear-Tooth Sensor |
| ATS645LSH | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:True Zero Speed Miniature Gear Tooth Sensor |
| ATS645LSH-I2 | 制造商:Allegro MicroSystems LLC 功能描述: |
| ATS645LSH-I2TN | 功能描述:IC SENSOR GEAR TOOTH 4-SIP 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 |
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