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參數(shù)資料
| 型號(hào)： | ATS611LSB |
| 廠商： | Allegro MicroSystems, Inc. |
| 英文描述： | Dynamic, Peak-Detecting,Differential Hall-Effect Gear-Tooth Sensor(動(dòng)態(tài)，峰值檢測(cè)，差分霍爾效應(yīng)齒輪嚙合傳感器) |
| 中文描述： | 動(dòng)態(tài)，峰值檢測(cè)，差分霍爾效應(yīng)齒輪齒傳感器（動(dòng)態(tài)，峰值檢測(cè)，差分霍爾效應(yīng)齒輪嚙合傳感器） |
| 文件頁(yè)數(shù)： | 9/16頁(yè) |
| 文件大小： | 159K |
| 代理商： | ATS611LSB |
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ATS610LSA
AND
ATS611LSB
DYNAMIC, PEAK-DETECTING,
DIFFERENTIAL HALL-EFFECT
GEAR-TOOTH SENSORS
DEVICE DESCRIPTION
The ATS610LSA and ATS611LSB dynamic,
peak-detecting, differential Hall-effect gear-tooth sensors
are Hall IC plus magnet subassemblies that are fully
optimized to provide digital detection of gear-tooth edges
in a small package size. Both sensors are packaged in
identical miniature plastic housings that have been
optimized for size, ease of assembly, and manufacturability.
High operating temperature materials are used in all
aspects of construction.
The application of these sensors is uncomplicated.
After power is applied to the device, they are capable of
quickly providing digital information that is representative
of a rotating gear or specially designed target. No addi-
tional optimization or processing circuitry is required. This
ease of use should reduce design time and incremental
assembly costs for most applications.
Sensing Technology.
Both gear-tooth sensor subas-
semblies contain a single-chip differential Hall-effect
sensor IC, a samarium-cobalt magnet, and a flat ferrous
pole piece. The Hall IC consists of two Hall elements
spaced 2.235 mm (0.088") apart, which sense the mag-
netic gradient created by the passing of a ferrous object (a
gear tooth). The two Hall voltages are compared and the
difference is then processed to provide a digital output
signal.
The processing circuit uses a patented peak-detection
technique to eliminate magnet and system offsets. This
technique allows coupling and filtering of offsets without
the power-up and settling time disadvantages of classical
high-pass filtering schemes. Here, the peak signal of
every tooth and valley is detected and is used to provide
an instant reference for the operate-point and release-
point comparators. In this manner, the thresholds are
adapted and referenced to individual signal peaks and
valleys, thereby providing immunity to zero-line variation
due to installation inaccuracies (tilt, rotation, and
off-center placement), as well as for variations caused by
target and shaft eccentricities. The peak detection
concept also allows extremely low-speed operation when
used with small-value capacitors.
Dwg. WH-011
V
OUT(SAT)
V
BB
O
D
M
OPERATE
RELEASE
OPERATE
RELEASE
0
Power-On Operation.
The device will power on in the
OFF state (output high) irrespective of the magnetic field
condition. The power-on time of the circuit is no greater
than 200
μ
s. The circuit is then ready to accurately detect
the first target edge that results in a HIGH-to-LOW transi-
tion.
Under-Voltage Lockout.
When the supply voltage is
below the minimum operating voltage (V
CC(UV)
), the device
is OFF and stays OFF irrespective of the state of the
magnetic field. This prevents false signals, which may be
caused by under-voltage conditions (especially during turn
on), from appearing at the output.
Output.
The device output is an open-collector stage
capable of sinking 25mA. An external pull-up (resistor) to
a supply voltage of not more than 18V must be supplied.
Superior Performance.
The ATS610LSA and
ATS611LSB peak-detecting differential gear-tooth sensor
sub-assemblies have several advantages over conven-
tional Hall-effect gear-tooth sensors.
continued next page
…
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ATS611 | TRUE ZERO-SPEED, HALL-EFFECT ADAPTIVE GEAR-TOOTH SENSOR |
| ATS660LSB | TRUE ZERO-SPEED, HALL-EFFECT ADAPTIVE GEAR-TOOTH SENSOR |
| ATS612LSB | DYNAMIC, SELF-CALIBRATING, PEAK-DETECTING, DIFFERENTIAL HALL-EFFECT GEAR-TOOTH SENSOR |
| ATS612LSG | DYNAMIC, SELF-CALIBRATING, PEAK-DETECTING, DIFFERENTIAL HALL-EFFECT GEAR-TOOTH SENSOR |
| ATS612JSB | 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 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ATS-61270D-C1-R0 | 功能描述:散熱片 FANSINK ASSY 26.25X26.25X9.5 (MM) RoHS:否 制造商:Ampro By ADLINK 產(chǎn)品:Heat Sink Accessories 安裝風(fēng)格:Through Hole 散熱片材料: 散熱片樣式: 熱阻: 長(zhǎng)度: 寬度: 高度: 設(shè)計(jì)目的:Express-HRR |
| ATS-61270K-C1-R0 | 功能描述:散熱片 FANSINK ASSY 26.25 X 26.25 X 14.5 (MM) RoHS:否 制造商:Ampro By ADLINK 產(chǎn)品:Heat Sink Accessories 安裝風(fēng)格:Through Hole 散熱片材料: 散熱片樣式: 熱阻: 長(zhǎng)度: 寬度: 高度: 設(shè)計(jì)目的:Express-HRR |
| ATS-61270R-C1-R0 | 功能描述:散熱片 FANSINK ASSY 26.25 X 26.25 X 19.5 (MM) RoHS:否 制造商:Ampro By ADLINK 產(chǎn)品:Heat Sink Accessories 安裝風(fēng)格:Through Hole 散熱片材料: 散熱片樣式: 熱阻: 長(zhǎng)度: 寬度: 高度: 設(shè)計(jì)目的:Express-HRR |
| ATS-61270W-C1-R0 | 功能描述:散熱片 FANSINK ASSY 26.25 X 26.25 X 24.5 (MM) RoHS:否 制造商:Ampro By ADLINK 產(chǎn)品:Heat Sink Accessories 安裝風(fēng)格:Through Hole 散熱片材料: 散熱片樣式: 熱阻: 長(zhǎng)度: 寬度: 高度: 設(shè)計(jì)目的:Express-HRR |
| ATS-61290D-C1-R0 | 功能描述:散熱片 FANSINK ASSY 28.25X28.25X9.5 (MM) RoHS:否 制造商:Ampro By ADLINK 產(chǎn)品:Heat Sink Accessories 安裝風(fēng)格:Through Hole 散熱片材料: 散熱片樣式: 熱阻: 長(zhǎng)度: 寬度: 高度: 設(shè)計(jì)目的:Express-HRR |
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