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ATS612JSB 데이터시트 PDF




Allegro MicroSystems에서 제조한 전자 부품 ATS612JSB은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

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부품번호 ATS612JSB 기능
기능 DYNAMIC/ SELF-CALIBRATING/ PEAK-DETECTING/ DIFFERENTIAL HALL-EFFECT GEAR-TOOTH SENSOR
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ATS612JSB 데이터시트, 핀배열, 회로
ATS612JSB
DYNAMIC, SELF-CALIBRATING, PEAK-DETECTING,
ATS612JSBDIFFERENTIAL HALL-EFFECT GEAR-TOOTH SENSOR
PRELIMINARY INFORMATION
(subject to change without notice)
November 20, 1998
1
2
3
4
Pin 1 = Supply
Pin 2 = Output
Pin 3 = Capacitor
Pin 4 = Ground
Dwg. AH-006
ABSOLUTE MAXIMUM RATINGS
over operating temperature range
Supply Voltage, VCC ............................... 24 V*
Reverse Supply Voltage, VRCC .............. -16 V
Output OFF Voltage, VOUT ....................... 24 V
Continuous Output Current,
IOUT ............................ Internally Limited
Reverse Output Current, IROUT ............ 50 mA
Package Power Dissipation,
PD .......................................... See Graph
Operating Temperature Range,
TA ................................. -40°C to +115°C*
Storage Temperature, TS .................. +170°C
* Operation at increased supply voltages with
external circuitry is described in Applications
Information. Devices for operation at increased
temperatures are available on special order.
DYNAMIC, SELF-CALIBRATING,
PEAK-DETECTING, DIFFERENTIAL
HALL-EFFECT GEAR-TOOTH SENSOR
The ATS612JSB dynamically-coupled gear tooth sensor is a peak
detecting device that uses gain control to provide extremely accurate
gear edge detection down to low operating speeds. Each sensor
subassembly consists of a high-temperature plastic shell that holds
together a samarium-cobalt magnet, a pole piece, and a dynamically-
coupled differential open-collector Hall IC that has been optimized to
the magnetic circuit. This small package can be easily assembled and
used in conjunction with a wide variety of gear shapes and sizes.
The gear-sensing technology used for this sensor subassembly is
Hall-effect based. The sensor incorporates a dual-element Hall IC that
switches in response to differential magnetic signals created by ferrous
targets. The sophisticated processing circuitry contains a self-calibrat-
ing 5-bit A/D converter that normalizes the internal gain of the device to
minimize the effect of air gap variations. The patented peak-detecting
filter circuit eliminates magnet and system offsets and has the ability to
discriminate relatively fast changes such as those caused by tilt, gear
wobble, and eccentricities yet provides stable operation to extremely
low RPMs.
These sensor systems are ideal for use in gathering speed, posi-
tion, and timing information using gear-tooth-based configurations. The
ATS612JSB is particularly suited to those applications that require
extremely accurate duty cycle control or accurate edge detection similar
to crank shaft applications. The lower vibration sensitivity also makes
this device extremely useful for transmission speed sensing.
ATS612JSB: Large- or small-tooth gear-position sensing —
crank angle, transmission speed, cam angle.
continued next page…
Always order by complete part number: ATS612JSB .




ATS612JSB pdf, 반도체, 판매, 대치품
ATS612JSB
DYNAMIC, SELF-CALIBRATING, PEAK-DETECTING,
DIFFERENTIAL HALL-EFFECT GEAR-TOOTH SENSOR
OPERATION over operating voltage and temperature range with reference target
(unless otherwise specified).
Characteristic
Symbol Test Conditions
Limits
Min. Typ. Max. Units
Air Gap Range
AG Operating,
Target Speed > 20 RPM
0.4 – 2.5 mm
Calibration Cycle
ncal Output edges before which
calibration is completed*
1 1 1 Edge
Calibration Mode
Disable
ndis Output falling edges for startup
calibration to be complete
64 64 64 Edges
Timing Accuracy
tθ Target Speed = 1000 RPM,
0.4 mm AG 2 mm
±0.5
* Non-uniform magnetic profiles may require additional output pulses before calibration is completed.
±0.75
°
REFERENCE TARGET
D o = 115 mm
TARGET
F (THICKNESS) 3 mm
E1 E2
SENSOR
POLE PIECE
SOUTH
PERMANENT
MAGNET
NORTH
AIR GAP
SIGNATURE
TOOTH (1)
12 34
Dwg. MH-016-2 mm
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000

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ATS612JSB 전자부품, 판매, 대치품
ATS612JSB
DYNAMIC, SELF-CALIBRATING, PEAK-DETECTING,
DIFFERENTIAL HALL-EFFECT GEAR-TOOTH SENSOR
TYPICAL OPERATING CHARACTERISTICS
(with reference target) — Continued
1.0
PERIODIC TOOTH
1000 RPM
TRAILING TARGET EDGE
0.8 -40°C
+25°C
+150°C
0.6
2.0
PERIODIC TOOTH
1000 RPM
LEADING TARGET EDGE
1.6 -40°C
+25°C
+150°C
1.2
0.4
0.2
0
0 0.5 1.0 1.5 2.0 2.5 3.0
AIR GAP IN MILLIMETERS
Dwg. GH-008-10
0.8
0.4
0
0 0.5 1.0 1.5 2.0 2.5 3.0
AIR GAP IN MILLIMETERS
Dwg. GH-008-9
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0
-40°C
+25°C
+150°C
10 20 30 40 50
REFERENCE TARGET SPEED IN RPM
60 70
Dwg. GH-011-4
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0
-40°C
+25°C
+150°C
500
1000
1500
2000
REFERENCE TARGET SPEED IN RPM
2500
Dwg. GH-011-3

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ATS612JSB

DYNAMIC/ SELF-CALIBRATING/ PEAK-DETECTING/ DIFFERENTIAL HALL-EFFECT GEAR-TOOTH SENSOR

Allegro MicroSystems
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ATS612JSB

TRUE ZERO-SPEED HALL-EFFECT GEAR-TOOTH SENSOR

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