参数资料
型号: A1244LUA-I1-T
厂商: Allegro Microsystems Inc
文件页数: 3/12页
文件大小: 253K
描述: IC HALL EFFECT LATCH SIP-3
标准包装: 4,000
传感范围: 80G 跳闸,-80G 释放
类型: 双极卡锁
电源电压: 3 V ~ 24 V
电流 - 电源: 6.9mA
输出类型: 数字
特点: 高速度
工作温度: -40°C ~ 150°C
封装/外壳: 3-SSIP
供应商设备封装: 3-SIP
包装: 散装
其它名称: 620-1425
ELECTRICAL CHARACTERISTICS Valid at T
A
 = 40癈 to 150癈, T
J
 < T
J
(max), C
BYP
 = 0.01 糉, through operating supply voltage
range; unless otherwise noted
Characteristics
Symbol
Test Conditions
Min.   Typ.   Max.    Unit
Supply Voltage
1,2
V
CC
Operating, T
J
 d 165 癈
3.0

24
V
Supply Current
I
CC(L)
-I1   B < B
RP
5

6.9    mA
-I2   B < B
RP
2

5
mA
I
CC(H)
B > B
OP
 
12

17
mA
Supply Zener Clamp Voltage
V
Z(sup)
I
CC(L)
(max) + 3 mA, T
A
 = 25癈
28


V
Supply Zener Clamp Current
I
Z(sup)
V
Z(sup)
 = 28 V


I
CC(L)
(max)
+ 3 mA
mA
Reverse Supply Current
I
RCC
V
RCC
 = 18 V

    1.6    mA
Output Slew Rate
3
di/dt
No bypass capacitor, capacitance of probe
C
S
 = 20 pF

90
    mA / 約
Chopping Frequency
f
c
    700    
kHz
Power-Up Time
2,4,5
t
on


25
Power-Up State
4,6,7
POS  t
on
 < t
on
(max) , V
CC
 slew rate > 25 mV / 約
    I
CC(H)


1
V
CC
 represents the generated voltage between the VCC pin and the GND pin.
2
The V
CC
 slew rate must exceed 600 mV/ms from 0 to 3 V. A slower slew rate through this range can affect device performance.
3
Measured without bypass capacitor between VCC and GND. Use of a bypass capacitor results in slower current change.
4
Power-Up Time is measured without and with bypass capacitor of 0.01 糉, B < B
RP
  10 G. Adding a larger bypass capacitor would cause longer
Power-Up Time.
5
Guaranteed by characterization and design.
 
6
Power-Up State as defined is true only with a V
CC
 slew rate of 25 mV / 約 or greater.
7
For t > t
on
  and B
RP
 < B < B
OP
 , Power-Up State is not defined.
MAGNETIC CHARACTERISTICS
1
 Valid at T
A
 = 40癈 to 150癈, T
J
 < T
J
 (max); unless otherwise noted
Characteristics
Symbol
Test Conditions
Min.   Typ.   Max.   Unit
2
Magnetic Operating Point
B
OP
5

80
G
Magnetic Release Point
B
RP
80    
5
G
Hysteresis
B
HYS
B
OP
  B
RP
40
    110
G
1
Relative values of B use the algebraic convention, where positive values indicate south magnetic polarity, and negative values indicate north
magnetic polarity; therefore greater B values indicate a stronger south polarity field (or a weaker north polarity field, if present).
2
1 G (gauss) = 0.1 mT (millitesla).
Chopper-Stabilized, Two Wire
Hall-Effect Latch
A1244
3
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
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