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參數(shù)資料
| 型號： | A1244LUA-I1-T |
| 元件分類： | 磁阻傳感器 |
| 英文描述： | MAGNETIC FIELD SENSOR-HALL EFFECT, -8-8mT, RECTANGULAR, THROUGH HOLE MOUNT |
| 封裝： | 1.5 MM X 4 MM, 3 MM HEIGHT, LEAD FREE, SIP-3 |
| 文件頁數(shù)： | 6/12頁 |
| 文件大?。?/td> | 251K |
| 代理商： | A1244LUA-I1-T |
ELECTRICAL CHARACTERISTICS Valid at TA = –40°C to 150°C, TJ < TJ(max), CBYP = 0.01 μF, through operating supply voltage
range; unless otherwise noted
Characteristics
Symbol
Test Conditions
Min.
Typ.
Max.
Unit
Supply Voltage1,2
VCC
Operating, TJ ≤ 165 °C
3.0
–
24
V
Supply Current
ICC(L)
-I1
B < BRP
5
–
6.9
mA
-I2
B < BRP
2–5
mA
ICC(H)
B > BOP
12
–
17
mA
Supply Zener Clamp Voltage
VZ(sup)
ICC(L)(max) + 3 mA, TA = 25°C
28
–
V
Supply Zener Clamp Current
IZ(sup)
VZ(sup) = 28 V
–
ICC(L)(max)
+ 3 mA
mA
Reverse Supply Current
IRCC
VRCC = –18 V
–
–1.6
mA
Output Slew Rate3
di/dt
No bypass capacitor, capacitance of probe
CS = 20 pF
–90–
mA/ μs
Chopping Frequency
fc
–
700
–
kHz
Power-Up Time2,4,5
ton
––
25
μs
Power-Up State4,6,7
POS
ton < ton(max), VCC slew rate > 25 mV/μs–
ICC(H)
––
1VCC represents the generated voltage between the VCC pin and the GND pin.
2The VCC slew rate must exceed 600 mV/ms from 0 to 3 V. A slower slew rate through this range can affect device performance.
3Measured without bypass capacitor between VCC and GND. Use of a bypass capacitor results in slower current change.
4Power-Up Time is measured without and with bypass capacitor of 0.01 μF, B < BRP – 10 G. Adding a larger bypass capacitor would cause longer
Power-Up Time.
5Guaranteed by characterization and design.
6Power-Up State as defined is true only with a VCC slew rate of 25 mV/μs or greater.
7For t > ton and BRP < B < BOP, Power-Up State is not defined.
MAGNETIC CHARACTERISTICS1 Valid at TA = –40°C to 150°C, TJ < TJ (max); unless otherwise noted
Characteristics
Symbol
Test Conditions
Min.
Typ.
Max.
Unit2
Magnetic Operating Point
BOP
5
–
80
G
Magnetic Release Point
BRP
–80
–
–5
G
Hysteresis
BHYS
BOP – BRP
40
–
110
G
1Relative 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, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
Preliminary Data Sheet
Subject to Change Without Notice
May 5, 2011
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| A1244LUA-I2-T | 功能描述:IC HALL EFFECT LATCH SIP-3 RoHS:是 類別:傳感器，轉(zhuǎn)換器 >> 磁性 - 霍爾效應，數(shù)字式開關(guān)，線性，羅盤 (IC) 系列:- 標準包裝:1 系列:- 傳感范圍:20mT ~ 80mT 類型:旋轉(zhuǎn) 電源電壓:4.5 V ~ 5.5 V 電流 - 電源:15mA 電流 - 輸出（最大）:- 輸出類型:數(shù)字式，PWM，8.5 位串行 特點:可編程 工作溫度:-40°C ~ 150°C 封裝/外殼:20-SSOP（0.209"，5.30mm 寬） 供應商設備封裝:20-SSOP 包裝:Digi-Reel® 其它名稱:AS5132-HSST-500DKR |
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