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| 型號： | ATS617LSGTN-T |
| 廠商： | Allegro Microsystems Inc |
| 文件頁數(shù)： | 12/16頁 |
| 文件大?。?/td> | 489K |
| 描述： | IC HALL EFFECT GEAR SENSOR 4SIP |
| 產(chǎn)品培訓(xùn)模塊： | Current Sensor |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 傳感范圍： | 60G |
| 類型： | 專用型 |
| 電源電壓： | 4.5 V ~ 24 V |
| 電流 - 電源： | 12mA |
| 電流 - 輸出（最大）： | 55mA |
| 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(yīng)商設(shè)備封裝： | 4-SIP |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 產(chǎn)品目錄頁面： | 1142 (CN2011-ZH PDF) |
| 其它名稱： | 620-1326-6 |
Dynamic, Self-Calibrating, Peak-Detecting, Differential
Hall Effect Gear Tooth Sensor IC
ATS617LSG
12
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
Superior Performance The ATS617 peak-detecting differen-
tial design has several advantages over conventional Hall-effect
gear-tooth sensors. The signal-processing techniques used in the
ATS617 solve the catastrophic issues that affect the functionality
of conventional digital gear-tooth sensors, such as the following:
" Temperature drift. Changes in temperature do not greatly affect
this device due to the stable amplifier design and the offset
rejection circuitry.
" Timing accuracy variation due to air gap. The accuracy varia-
tion caused by air gap changes is minimized by the self-calibra-
tion circuitry. A 2?to-3?improvement can be seen.
" Dual edge detection. Because this device switches based on the
positive and negative peaks of the signal, dual edge detection is
guaranteed.
" Tilted or off-center installation. Traditional differential sensors
can switch incorrectly due to baseline changes versus air gap
caused by tilted or off-center installation. The peak detector cir-
cuitry references the switchpoint 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. Large operating air gaps are achiev-
able with this device due to the sensitive switchpoints after
power-on (dependent on target dimensions, material, and
speed).
" Immunity to magnetic overshoot. The patented adjustable
hysteresis circuit makes the ATS617 immune to switching on
magnetic overshoot within the specified air gap range.
" Response to surface defects in the target. The gain-adjust
circuitry reduces the effect of minor gear anomalies 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 im-
munity to vibration even when operating at close air gaps.
" Immunity to gear run out. The differential chip configuration
eliminates the baseline variations caused by gear run out
Differential vs. Single-Element Design The differential
chip is superior in most applications to the classical single-ele-
ment design. The single-element configuration commonly used
(Hall-effect element mounted on the face of a simple permanent
magnet) requires the detection of a small signal (often <100 G)
that is superimposed on a large back-biased field, often 1500 G to
3500 G. For most gear/target configurations, the back-biased field
values change due to concentration effects, resulting in a varying
baseline with air gap, valley widths, eccentricities, and vibration
(figure 4). The differential configuration (figure 5) cancels the
effects of the back-biased field and avoids many of the issues
presented by the single Hall element design.
Figure 4. Affect of varying valley widths on single-element circuits.
Figure 5. Affect of varying air gaps on differential circuits.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ATS622LSB | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:TRUE ZERO-SPEED HALL-EFFECT GEAR-TOOTH SENSOR |
| ATS625LSG | 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 |
| ATS625LSGTN | 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)字式開關(guān)，線性，羅盤 (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: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 |
| ATS625LSGTN-T | 功能描述:IC SENSOR GEAR TOOTH 4-SIP RoHS:是 類別:傳感器，轉(zhuǎn)換器 >> 磁性 - 霍爾效應(yīng)，數(shù)字式開關(guān)，線性，羅盤 (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: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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