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参数资料
| 型号： | A3245LUA-T |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 4/13页 |
| 文件大小： | 506K |
| 描述： | IC SW HALL EFFECT OMNI 3-SIP |
| 标准包装： | 500 |
| 传感范围： | ±55G 跳闸，±6G 释放 |
| 类型： | 全极开关 |
| 电源电压： | 3.6 V ~ 24 V |
| 电流 - 电源： | 3.5mA |
| 输出类型： | 数字式，开漏极 |
| 特点： | 稳压电压 |
| 工作温度： | -40°C ~ 150°C |
| 封装/外壳： | 3-SIP |
| 供应商设备封装： | 3-SIP |
| 包装： | 散装 |
| 其它名称： | 620-1213 |
Chopper-Stabilized Omnipolar Hall Effect Switches
A3245
3
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
OPERATING CHARACTERISTICS valid over full operating voltage and ambient temperature ranges, unless otherwise noted
Characteristic
Symbol
Test Conditions
Min. Typ. Max. Units
Electrical Characteristics
Supply Voltage
1
V
CC
Operating, T
J
< 165癈
3.6 24 V
Output Leakage Current
I
OUTOFF
V
OUT
= 24 V, B < B
RP
10 糀
Output On Voltage
V
OUT(SAT)
I
OUT
= 20 mA, B > B
OP
500 mV
Output Current Limit
I
OM
B > B
OP
30 60 mA
Power-On Time
t
PO
V
CC
> V
CC(MIN)
50 約
Chopping Frequency
f
c
200 kHz
Output Rise Time
2
t
r
R
LOAD
= 820 ? C
S
= 20 pF
1 約
Output Fall Time
2
t
f
R
LOAD
= 820 ? C
S
= 20 pF
1 約
Supply Current
I
CCON
B > B
OP
1.5 3.5 mA
I
CCOFF
B < B
RP
1.5 3.5 mA
Reverse Battery Current
I
RCC
V
RCC
= 18 V
2 mA
Supply Zener Clamp Voltage V
ZSupply
I
CC
= 6.5 mA; T
A
= 25癈
28 V
Supply Zener Current
3
I
ZSupply
V
S
= 28 V
6.5 mA
Magnetic Characteristics
4
Operate Point
B
OPS
South pole adjacent to branded face of device
15 38 55 G
B
OPN
North pole adjacent to branded face of device
55 38 15 G
Release Point
B
RPS
South pole adjacent to branded face of device
5 20 50 G
B
RPN
North pole adjacent to branded face of device
50 20 5 G
Hysteresis
B
HYS
|B
OPX
B
RPX
|
5 18 30 G
1
Maximum voltage must be adjusted for power dissipation and junction temperature, see Power Derating section.
2
C
S
= oscilloscope probe capacitance.
3
Maximum current limit is equal to the maximum I
CC(MAX)
+ 3 mA.
4
Magnetic ux density, B, is indicated as a negative value for north-polarity magnetic elds, and as a positive value for south-polarity magnetic elds.
This so-called algebraic convention supports arithmetic comparison of north and south polarity values, where the relative strength of the eld is indicated
by the absolute value of B, and the sign indicates the polarity of the eld (for example, a 100 G eld and a 100 G eld have equivalent strength, but
opposite polarity).
DEVICE QUALIFICATION PROGRAM
Contact Allegro for information.
EMC (Electromagnetic Compatibility) REQUIREMENTS
Contact Allegro for information.
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