参数资料
型号: ATS612JSB
厂商: Allegro MicroSystems, Inc.
英文描述: 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
中文描述: 动态,自校准,峰值检测,差分霍尔效应齿轮齿传感器
文件页数: 11/16页
文件大小: 208K
代理商: ATS612JSB
ATS612LSB
DYNAMIC, SELF-CALIBRATING, PEAK-DETECTING,
DIFFERENTIAL HALL-EFFECT GEAR-TOOTH SENSOR
11
www.allegromicro.com
CRITERIA FOR DEVICE QUALIFICATION
All Allegro sensors are subjected to stringent qualification requirements prior to being released to production. To
become qualified, except for the destructive ESD tests, no failures are permitted.
Test Method and
Test Conditions
Samples
Per Lot
Qualification Test
Test Length
Comments
Temperature Humidity
Bias Life
JESD22-A101,
T
A
= 85
°
C, RH = 85%
1000 hrs
77
Device biased for
minimum power
Bias Life
JESD22-A108,
T
A
= 150
°
C, T
J
= 165
°
C
JESD22-A108,
T
A
= 175
°
C, T
J
= 190
°
C
1000 hrs
77
(Surge Operating Life)
168 hrs
77
Autoclave, Unbiased
JESD22-A102,
T
A
= 121
°
C, 15 psig
96 hrs
77
High-Temperature
(Bake) Storage Life
JESD22-A103,
T
A
= 170
°
C
1000 hrs
77
Temperature Cycle
JESD22-A104
1000 cycles
77
-55
°
C to +150
°
C
ESD,
Human Body Model
CDF-AEC-Q100-002
Pre/Post
Reading
3 per
test
Test to failure
Pin 3 > 1.5 kV
All other pins > 3 kV
GEAR/TARGET SYSTEM EVALUATION*
An analog map of the magnetic signal can be
obtained by measuring the voltage at pin 3 (the capacitor
pin) while the device is running. The peak and valley hold
voltage will represent the peak-to-peak value of the signal.
More accurate measurements can be taken by connecting
an extremely small capacitor (0.05
μ
F) from pin 3 to
ground. After the device is powered up and has switched
at least 64 times, a 1 k
bleed-off resistor should be
installed in parallel with the capacitor without powering
down the device. If the gear is then rotated at an ex-
tremely low speed, an analog representation of the gain-
adjusted signal can be measured at pin 3. Note that the
device should be re-powered at each air gap and the
above procedure repeated for accurate measurements. In
both cases, the analog signal may be compared to the
typical hysteresis of the device and device performance
can be estimated.
* In application, the terms “gear” and “target” are often
interchanged. However, “gear” is preferred when motion
is transferred.
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