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参数资料
| 型号： | A3054SU-07 |
| 元件分类： | 磁阻传感器 |
| 英文描述： | MAGNETIC FIELD SENSOR-HALL EFFECT, 0.5-30mT, 3.90V, RECTANGULAR, THROUGH HOLE MOUNT |
| 封装： | 0.060 INCH, PLASTIC, SIP-3 |
| 文件页数： | 5/10页 |
| 文件大小： | 130K |
| 代理商： | A3054SU-07 |
3054
MULTIPLEXED
TWO-WIRE
HALL-EFFECT SENSOR ICs
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
4
A device may be addressed by changing the supply
voltage as shown in Figure 1. A preferred addressing
protocol is as follows: the bus supply voltage is brought
low (<2.5 V) so that all devices on the bus are reset. The
voltage is then raised to the address LOW voltage (VL) and
the bus quiescent current is measured. The bus is then
toggled between VL and VH (address HIGH voltage), with
each positive transition representing an increment in the
bus address. After each voltage transition, the bus current
may be monitored to check for diagnostic and signal
responses from sensor ICs.
Sensor Addressing
When a sensor detects a bus address equal to its
factory-programmed address, it responds with an increase
in its supply current drain ( IS) during the next HIGH portion
ADDRESSING PROTOCOL
Magnetic Operate Point (BOP)
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 (BRP)
Magnetic field required to switch OFF the Hall
amplifier and switching circuitry after the output has been
switched ON. When a device is deactivated by changing
the bus address, all magnetic memory is lost.
Magnetic Hysteresis (BHYS)
Difference between the BOP and BRP magnetic field
thresholds.
FIGURE 1
BUS TIMING
SENSOR 03 — DIAGNOSTIC
AND SIGNAL CURRENTS
DIAGNOSTIC
ADDRESS 01
DIAGNOSTIC
ADDRESS 02
DIAGNOSTIC
ADDRESS 04
DIAGNOSTIC
ADDRESS
n
RESET
DIAGNOSTIC
ADDRESS 01
SENSOR 02 —
DIAGNOSTIC CURRENT
DIAGNOSTIC
ADDRESS 03
SENSOR 01
NOT PRESENT
V
H
V
L
V
RST
0
IS
I
QL
I QH
0
I
S
0
I
S
n I QL
n IQH
0
t phl
t plh
V
CLH
V
CHL
Dwg. WH-005
BUS
VOLTAGE
SENSOR 02
CURRENT
WITH NO
MAGNETIC
FIELD
SENSOR 03
CURRENT
WITH
MAGNETIC
FIELD
TOTAL
BUS CURRENT
WITH
MAGNETIC
FIELD AT
SENSOR 03
RESET
I
QL
I QH
SENSOR 01
NOT PRESENT
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相关代理商/技术参数 |
参数描述 |
|---|---|
| A3054SU-XX | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Hall-Effect Switch |
| A305605 | 制造商:TE Connectivity 功能描述:CONNECTOR |
| A305606MTA1A2A3SPE | 制造商:MAGNUM / COOPER 功能描述: |
| A3056EU | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:HALL EFFECT GEAR-TOOTH SENSORS ZERO SPEED |
| A3056LU | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:HALL EFFECT GEAR-TOOTH SENSORS ZERO SPEED |
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