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參數(shù)資料
| 型號： | ATS625LSGTN-T |
| 廠商： | Allegro Microsystems Inc |
| 文件頁數(shù)： | 15/22頁 |
| 文件大?。?/td> | 892K |
| 描述： | IC SENSOR GEAR TOOTH 4-SIP |
| 產品培訓模塊： | Current Sensor |
| 標準包裝： | 800 |
| 傳感范圍： | 60% 跳閘，40% 釋放 |
| 類型： | 專用型 |
| 電源電壓： | 4 V ~ 24 V |
| 電流 - 電源： | 14mA |
| 電流 - 輸出（最大）： | 10mA |
| 輸出類型： | 數(shù)字，開路集電極 |
| 特點： | 輪齒類型 |
| 工作溫度： | -40°C ~ 150°C |
| 封裝/外殼： | 4-SIP |
| 供應商設備封裝： | 4-SIP |
| 包裝： | 帶卷 (TR) |
True Zero-Speed Low-Jitter High Accuracy
Gear Tooth Sensor IC
ATS625LSG
14
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
Switchpoints
Switchpoints in the ATS625 are a percentage of the amplitude of
the signal, V
PROC
, after normalization with AGC. In operation,
the actual switching levels are determined dynamically. Two
DACs track the peaks of V
PROC
(see the Update subsection).
The switching thresholds are established at 40% and 60% of the
values held in the two DACs. The proximity of the thresholds
near the 50% level ensures the most accurate and consistent
switching, because it is where the slope of V
PROC
is steepest and
least affected by air gap variation.
The low hysteresis, 20%, provides high performance over vari-
ous air gaps and immunity to false switching on noise, vibration,
backlash, or other transient events.
Figure 8 graphically demonstrates the establishment of the
switching threshold levels. Because the thresholds are established
dynamically as a percentage of the peak-to-peak signal, the effect
of a baseline shift is minimized. As a result, the effects of offsets
induced by tilted or off-center installation are minimized.
Update
The ATS625 incorporates an algorithm that continuously moni-
tors the system and updates the switching thresholds accordingly.
The switchpoint for each edge is determined by the signal result-
ing from the previous two edges. Because variations are tracked
in real time, the device has high immunity to target run-out and
retains excellent accuracy and functionality in the presence of
both run-out and transient mechanical events. Figure 9 shows
how the device uses historical data to provide the switching
threshold for a given edge.
Switching Threshold Levels
At Constant V
PROC
Level
0
100
B
OP
V+
B
RP
Off On Off On
60
40
Figure 8. Switchpoint Relationship to Thresholds.The device switches
when V
PROC
passes a threshold level, B
OP
or B
RP
, while changing in the
corresponding direction: increasing for a B
OP
switchpoint, and decreasing
for a B
RP
switchpoint.
Figure 9. Switchpoint Determination. The two previous V
PROC
peaks are
used to determine the next threshold level: panel A, operate point, and
panel B, release point.
Dynamic B
OP
Threshold Determination
Dynamic B
RP
Threshold Determination
0
100
B
OP
V+
On Off
60
0
100
V+
B
RP
Off On
40
(A)
(B)
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| ATS625LSGTN-T3 | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:True Zero-Speed Low-Jitter High Accuracy Gear Tooth Sensor |
| ATS627LSG | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:True Zero Speed, Low Jitter, High Accuracy Position Sensor IC |
| ATS627LSGTN-T | 功能描述:IC HALL EFFECT GEAR SENSOR 4-SIP RoHS:是 類別:傳感器，轉換器 >> 磁性 - 霍爾效應，數(shù)字式開關，線性，羅盤 (IC) 系列:- 標準包裝:1 系列:- 傳感范圍:20mT ~ 80mT 類型:旋轉 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:可編程 工作溫度:-40°C ~ 150°C 封裝/外殼:20-SSOP（0.209"，5.30mm 寬） 供應商設備封裝:20-SSOP 包裝:Digi-Reel® 其它名稱:AS5132-HSST-500DKR |
| ATS630LSA | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| ATS630LSB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
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