參數(shù)資料
型號(hào)： ATS643LSHTN-I2-T
廠商： Allegro MicroSystems, Inc.
英文描述： Self-Calibrating, Zero-Speed Differential Gear Tooth Sensor with Continuous Update
中文描述： 自校準(zhǔn)，零的高速連續(xù)更新差動(dòng)齒輪齒傳感器
文件頁(yè)數(shù)： 11/16頁(yè)
文件大?。?/td> 400K
代理商： ATS643LSHTN-I2-T
Self-Calibrating, Zero-Speed Differential
Gear Tooth Sensor with Continuous Update
ATS643LSH
11
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
Power-On State Operation
. The ATS643 is guaranteed to
power-on in the high current state, I
CC(High)
.
Initial Edge Detection
. The device self-calibrates using the
initial teeth sensed, and then enters Running mode. This results
in reduced accuracy for a brief period (less than four teeth),
however, it allows the device to optimize for continuous update
yielding adaptive sensing during Running mode. As shown in
figure 5, the first three high peak signals are used to calibrate
AGC. However, there is a slight variance in the duration of ini-
tialization, depending on what target feature is nearest the sensor
when power-on occurs.
Figure 5. Power-on initial edge detection. This figure demonstrates four typical power-on scenarios. All of these examples assume that the target is
moving relative to the sensor in the direction indicated. The length of time required to overcome Start Mode Hysteresis, as well as the combined effect
of whether it is overcome in a positive or negative direction plus whether the next edge is in that same or opposite polarity, affect the point in time when
AGC calibration begins. Three high peaks are always required for AGC calibration.
Target
(Gear)
Sensor Position
1
Output
V
PROC
V
PROC
V
PROC
V
PROC
Output
Output
Output
Power-on
over valley
Power-on
at rising edge
Power-on
over tooth
Power-on
at falling edge
AGC Calibration
Running Mode
AGC Calibration
Running Mode
AGC Calibration
Running Mode
AGC Calibration
Running Mode
3
4
2
1
2
4
3
Start Mode
Hysteresis
Overcome
Start Mode
Hysteresis
Overcome
Start Mode
Hysteresis
Overcome
Start Mode
Hysteresis
Overcome
相關(guān)PDF資料
PDF描述
ATS645LSHTN-I1-T True Zero Speed Miniature Gear Tooth Sensor
ATS645LSHTN-I2-T True Zero Speed Miniature Gear Tooth Sensor
ATS645LSH True Zero Speed Miniature Gear Tooth Sensor
ATS651LSHTN-T Two-Wire Self-Calibrating Differential Speed and Direction Sensor with Vibration Immunity
ATS651LSH Two-Wire Self-Calibrating Differential Speed and Direction Sensor with Vibration Immunity
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ATS645 制造商:未知廠家 制造商全稱:未知廠家 功能描述:True Zero Speed Miniature Gear-Tooth Sensor
ATS645LSH 制造商:ALLEGRO 制造商全稱: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 類別:傳感器，轉(zhuǎn)換器 >> 磁性 - 霍爾效應(yīng)，數(shù)字式開(kāi)關(guān)，線性，羅盤(pán) (IC) 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 傳感范圍:20mT ~ 80mT 類型:旋轉(zhuǎn) 電源電壓:4.5 V ~ 5.5 V 電流 - 電源:15mA 電流 - 輸出（最大）:- 輸出類型:數(shù)字式，PWM，8.5 位串行 特點(diǎn):可編程 工作溫度:-40°C ~ 150°C 封裝/外殼:20-SSOP（0.209"，5.30mm 寬） 供應(yīng)商設(shè)備封裝:20-SSOP 包裝:Digi-Reel® 其它名稱:AS5132-HSST-500DKR
ATS645LSHTN-I1 功能描述:IC SENSOR GEAR TOOTH 4-SIP RoHS:否 類別:傳感器，轉(zhuǎn)換器 >> 磁性 - 霍爾效應(yīng)，數(shù)字式開(kāi)關(guān)，線性，羅盤(pán) (IC) 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 傳感范圍:20mT ~ 80mT 類型:旋轉(zhuǎn) 電源電壓:4.5 V ~ 5.5 V 電流 - 電源:15mA 電流 - 輸出（最大）:- 輸出類型:數(shù)字式，PWM，8.5 位串行 特點(diǎn):可編程 工作溫度:-40°C ~ 150°C 封裝/外殼:20-SSOP（0.209"，5.30mm 寬） 供應(yīng)商設(shè)備封裝:20-SSOP 包裝:Digi-Reel® 其它名稱:AS5132-HSST-500DKR
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