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参数资料
| 型号： | A1223LUA-T |
| 元件分类： | 磁阻传感器 |
| 英文描述： | MAGNETIC FIELD SENSOR-HALL EFFECT, -18-18mT, 30-60mA, RECTANGULAR, THROUGH HOLE MOUNT |
| 封装： | LEAD FREE, ULTRA MINI, SIP-3 |
| 文件页数： | 9/14页 |
| 文件大小： | 290K |
| 代理商： | A1223LUA-T |
Chopper Stabilized Precision Hall Effect Latches
A1220, A1221,
A1222, and A1223
4
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
ELECTRICAL CHARACTERISTICS Valid valid over full operating voltage and ambient temperature ranges; unless otherwise noted
Characteristics
Symbol
Test Conditions
Min.
Typ.1
Max.
Unit2
Electrical Characteristics
Forward Supply Voltage
VCC
Operating, TJ < 165°C
3
–
24
V
Output Leakage Current
IOUTOFF
VOUT = 24 V, B < BRP
––
10
μA
Output Saturation Voltage
VOUT(SAT) IOUT = 20 mA, B > BOP
–
185
500
mV
Output Current Limit
IOM
B > BOP
30
–
60
mA
Power-On Time3
tPO
VCC > 3.0 V, B < BRP(min) – 10 G,
B > BOP(max) + 10 G
––
25
μs
Chopping Frequency
fC
–
800
–
kHz
Output Rise Time3,4
tr
RL = 820 Ω, CL = 20 pF
–
0.2
2
μs
Output Fall Time3,4
tf
RL = 820 Ω, CL = 20 pF
–
0.1
2
μs
Supply Current
ICC(ON)
B > BOP, VCC = 12 V
–
4
mA
ICC(OFF)
B < BRP, VCC = 12 V
–
4
mA
Reverse Supply Current
IRCC
VRCC = –30 V
–
–5
mA
Supply Zener Clamp Voltage
VZ
ICC = 5 mA; TA = 25°C
28
–
V
Zener Impedance
IZ
ICC = 5 mA; TA = 25°C
–
50
–
Ω
Magnetic Characteristics
Operate Point
BOP
A1220
5
22
40
G
A1221
15
50
90
G
A1222
70
110
150
G
A1223
100
150
180
G
Release Point
BRP
A1220
–40
–23
–5
G
A1221
–90
–50
–15
G
A1222
–150
–110
–70
G
A1223
–180
–150
–100
G
Hysteresis
BHYS
A1220
(BOP – BRP)
10
45
80
G
A1221
30
100
180
G
A1222
140
220
300
G
A1223
200
300
360
G
1Typical data are are at TA = 25°C and VCC = 12 V, and are for initial design estimations only.
21 G (gauss) = 0.1 mT (millitesla).
3Guaranteed by device design and characterization.
4CL = oscilloscope probe capacitance.
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