參數(shù)資料
型號(hào): ATS685LSHTN-T
元件分類: 磁阻傳感器
英文描述: MAGNETIC FIELD SENSOR-HALL EFFECT, 5-150mT, CYLINDRICAL, THROUGH HOLE MOUNT
封裝: LEAD FREE, PLASTIC, SIP-4
文件頁(yè)數(shù): 10/15頁(yè)
文件大?。?/td> 439K
代理商: ATS685LSHTN-T
Two-Wire, Zero Speed
Differential Gear Tooth Sensor IC
ATS685LSH
4
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
Functional Characteristics
Operating Signal Range11
BSIG
Differential magnetic signal, duty cycle within
specification
50
1500
GPK-PK
Extended Operating Signal Range
BSIGEXT
Differential magnetic signal, output switching (no
missed edges), duty cycle not guaranteed
30
GPK-PK
Operational Air Gap Range
AGOP
Using Allegro Reference Target 60-0, duty cycle
within specification
0.5
2.5
mm
Extended Operational Air Gap Range
AGEXT
Using Allegro Reference Target 60-0, output
switching (no missed edges), duty cycle not
guaranteed
3.0
mm
Allowable User-Induced Differential
Offset
BDIFFEXT Operation within specification
±60
G
Duty Cycle Variation12
ΔD
Wobble < 0.5 mm, AG within specification
±10
%
Maximum Sudden Signal Amplitude
Change
BSIG(INST)
Instantaneous symmetric magnetic signal
amplitude change, measured as a percentage of
peak-to-peak BSIG, fOP < 500 Hz
–45–
%
1Typical values are at TA = 25°C and VCC = 12 V. Performance may vary for individual units, within the specified maximum and minimum limits.
21 G (gauss) = 0.1 mT (millitesla).
3Maximum voltage must be adjusted for power dissipation and junction temperature; see Power Derating section.
4Negative current is defined as conventional current coming out of (sourced from) the specified device terminal.
5Sustained voltages beyond the clamp voltage may cause permanent damage to the IC.
6Measured from VCC ≥ VCC(min) to the time when the device is able to switch the output signal in response to a magnetic stimulus.
7Please refer to the Functional Description, Power-On section.
8di is the difference between 10% of ICC(Low) and 90% of ICC(High). dt is the time period between those two points.
9CLOAD is the probe capacitance of the oscilloscope used to make the measurement.
10For power-on frequency, fOP < 200 Hz. Higher power-on frequencies may result in more input magnetic cycles until full output edge accuracy is
achieved, including the possibility of missed output edges.
11AGOP is dependent on the available magnetic field. The available field is dependent on target geometry and material, and should be independently
characterized. The field available from the reference target is given in the Reference Target table.
12Target rotation from pin 4 to pin 1.
OPERATING CHARACTERISTICS (continued) VCC and TA within specification, unless otherwise noted
Characteristics
Symbol
Test Conditions
Min.
Typ.1
Max.
Unit2
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