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參數(shù)資料
| 型號： | UGN3055U |
| 廠商： | Allegro MicroSystems, Inc. |
| 英文描述： | MULTIPLEXED TWO-WIRE HALL-EFFECT SENSOR ICs |
| 中文描述： | 復(fù)用雙線霍爾效應(yīng)傳感器集成電路 |
| 文件頁數(shù)： | 3/8頁 |
| 文件大小： | 111K |
| 代理商： | UGN3055U |
3055
MULTIPLEXED
TWO-WIRE HALL EFFECT
SENSOR IC
FUNCTIONAL BLOCK DIAGRAM
1
SENSOR LOCATION
(
±
0.005” [0.13 mm] die placement)
A
1
3
2
Dwg. MH-002A
0.015"
0.38 mm
NOM
0.071"
1.80 mm
0.084"
2.13 mm
BRANDED
SURFACE
ACTIVE AREA DEPTH
CLOCK
Dwg. FH-009
BUS
SWITCH IN
(OPTIONAL)
GROUND
CMOS LOGIC
REG
COMP
COMP
RESET
3
2
DEFINITION OF TERMS
Sensor Address
Each bus sensor has a factory-specified predefined
address. At present, allowable sensor addresses are
integers from 1 to 30.
LOW-to-HlGH Clock Threshold (V
CLH
)
Minimum voltage required during the positive-going
transition to increment the bus address and trigger a
diagnostic response from the bus sensors. This is also
the maximum threshold of the on-chip comparator, which
monitors the supply voltage, V
BUS
.
HlGH-to-LOW Threshold (V
HL
)
Maximum voltage required during the negative-going
transition to trigger a signal current response from the bus
sensors. This is also the maximum threshold of the on-
chip comparator, which monitors the supply voltage, V
BUS.
Bus HIGH Voltage (V
H
)
Bus HIGH voltage required for addressing. Voltage
should be greater than V
CLH
.
Address LOW Voltage (V
L
)
Bus LOW Voltage required for addressing. Voltage
should be greater than V
RST
and less than V
CHL
.
Bus Reset Voltage (V
RST
)
Voltage level required to reset individual sensors.
Sensor Quiescent Current Drain (I
Q
)
The current drain of bus sensors when active but not
addressed. I
QH
is the maximum quiescent current drain
when the sensor is not addressed and is at V
H
. I
QL
is the
maximum quiescent current drain when the sensor is not
addressed and is at V
L
.
Diagnostic Phase
Period on the bus when the address voltage is at V
H
.
During this period, a correctly addressed sensor responds
by increasing its current drain on the bus. This response
from the sensor is called the
diagnostic response
and
the bus current increase s called the
diagnostic current.
Signal Phase
Period on the bus when the address voltage is at V
L
. During
this period, a correctly addressed sensor that detects a
magnetic field greater than magnetic Operate Point, B
OP
,
responds by maintaining a current drain of I
S
on the bus.
This response from the sensor is called the
signal response
and the bus current increaseis called the
signal current.
Sensor Address Response Current (I
S
)
Current returned by the bus sensors during the diagnostic and
the signal esponses of the bus sensors. This is accomplished
by enabling the constant current source (CCS).
Magnetic Operate Point (B
OP
)
Minimum magnetic field required to switch ON the Hall
amplifier and switching circuitry of the addressed sensor.
This circuitry is only active when the sensor is addressed.
Magnetic Release Point (B
RP
)
Magnetic field required to switch OFF the Hall amplifier
and switching circuitry after the output has switched ON.
This is due to magnetic memory in the switching circuitry.
However, when a device is deactivated by changing the
current bus address, all magnetic memory is lost.
Magnetic Hysteresis (B
HYS
)
Difference between the B
OP
and B
RP
magnetic field thresh-
olds.
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| UGN3056U | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
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| UGN3059KA | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:HALL-EFFECT GEAR-TOOTH SENSORS -AC COUPLED |
| UGN3059TL | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Hall-Effect Switch |
| UGN3060KA | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:HALL-EFFECT GEAR-TOOTH SENSORS -ACCOUPLED |
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