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参数资料
| 型号： | A1242LUA-I1-T |
| 元件分类： | 磁阻传感器 |
| 英文描述： | MAGNETIC FIELD SENSOR-HALL EFFECT, -8-8mT, RECTANGULAR, THROUGH HOLE MOUNT |
| 封装： | LEAD FREE, SIP-3 |
| 文件页数： | 7/12页 |
| 文件大小： | 296K |
| 代理商： | A1242LUA-I1-T |
Two-Wire Chopper-Stabilized Hall Effect Latch
A1242
3
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
DEVICE QUALIFICATION PROGRAM
Contact Allegro for information.
EMC (Electromagnetic Compatibility) PERFORMANCE
Contact Allegro for information.
ELECTRICAL CHARACTERISTICS over full operating voltage and temperature ranges, unless otherwise specified
Characteristic
Symbol
Test Conditions
Min.
Typ.1
Max.
Units
Electrical Characteristics
Supply Voltage2 3
VCC
Operating, TJ < 165°C
3.5
–
24
V
Supply Current
ICC(L)
-I1, B < BRP
5
–
6.9
mA
-I2, B < BRP
2–5
mA
ICC(H)
-I1 and -I2, B > BOP
12
–
17
mA
Output Slew Rate4
dI/dt
RS = 100 Ω, CS = 20 pF, no bypass capacitor
–
36
–
mA/μs
Chopping Frequency
fC
–
200
–
kHz
Power-On Time
tPO
VCC > VCC(MIN)
––
25
μs
Power-On State5
POS
tPO < tPO(max), dVCC/dt > 25 mV/μs–
ICC(H)
––
Supply Zener Clamp Voltage
VZ(supply)
ICC = 20 mA; TA = 25°C
28
–
V
Supply Zener Current6
IZ(supply)
VS = 28 V
–
20
mA
Reverse Battery Current
IRCC
VRCC = –18 V
–
2.5
mA
Magnetic Characteristics7
Operate Point
BOP
South pole adjacent to branded face of device
5
32
80
G
Release Point
BRP
North pole adjacent to branded face of device
–80
–32
–5
G
Hysteresis
BHYS
BOP – BRP
40
64
110
G
1 Typical values are at TA = 25°C and VCC = 12 V. Performance may vary for individual units, within the specified maximum and mini-
mum limits.
2 Maximum voltage must be adjusted for power dissipation and junction temperature; see Power Derating section.
3 VCC represents the generated voltage between the VCC pin and the GND pin.
4 The value of dI is the difference between 90% of ICC(H) and 10% of ICC(L), and the value of dt is time period between those two
points. The value of dI/dt depends on the value of the bypass capacitor, if one is used, with greater capacitances resulting in lower
rates of change.
5 For t > tPO(max), and BRP < B < BOP, POS is undefined.
6 Maximum current limit is equal to the maximum ICCL(max) + 3 mA.
7 Magnetic flux density, B, is indicated as a negative value for north-polarity magnetic fields, and as a positive value for south-polarity
magnetic fields. This so-called algebraic convention supports arithmetic comparison of north and south polarity values, where the rela-
tive strength of the field is indicated by the absolute value of B, and the sign indicates the polarity of the field (for example, a –100 G
field and a 100 G field have equivalent strength, but opposite polarity).
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| A1243LLHLX-I1-T | 功能描述:IC HALL EFFECT LTCH DGTL SOT23W 制造商:allegro microsystems, llc 系列:* 零件状态:在售 标准包装:10,000 |
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| A1244 | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:Chopper-Stabilized, Two Wire Hall-Effect Latch |
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