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US4882 の電気的特性と機能

US4882のメーカーはMelexisです、この部品の機能は「CMOS Low Voltage High Sensitivity Latch」です。


製品の詳細 ( Datasheet PDF )

部品番号 US4882
部品説明 CMOS Low Voltage High Sensitivity Latch
メーカ Melexis
ロゴ Melexis ロゴ 




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US4882 Datasheet, US4882 PDF,ピン配置, 機能
Features and Benefits
Chopper stabilized amplifier stage
Optimized for BDC motor applications
New miniature package / thin, high
reliability package
Operation down to 2.2V
CMOS for optimum stability, quality,
and cost
Low IDD current
Applications
Solid state switch
Brushless DC motor commutation
Speed sensing
Ordering Information
Part No.
Temperature Suffix
US4881
E (-40°C to 85°C)
US4882
E (-40°C to 85°C)
US4882
L (-40°C to 150°C)
Package Code
SO (SOT-23) or UA (TO-92)
SO (SOT-23) or UA (TO-92)
SO (SOT-23) or UA (TO-92)
Contact factory or sales representative for legacy temperature code options
Functional Diagram
Description
The US4881/4882 are bipolar Hall effect sensor
IC’s fabricated from mixed signal CMOS
technology. Each incorporates advanced chopper
stabilization techniques to provide accurate and
stable magnetic switch points. The design
specifications and performance have been
optimized for commutation applications in
brushless DC motors and automotive speed
sensing.
The output transistor of the 4881 will be latched on
(BOP) in the presence of a sufficiently strong South
magnetic field facing the marked side of the
package. Similarly, the output will be latched off
(BRP) in the presence of a North field.
The output transistor of the 4882 will switch on
(BOP) near or after the South to North zero crossing
transition of a multipole ring magnet field facing the
marked side of the package. The output will switch
off (BRP) near or after the zero crossing transition
from South to North Field.
Note: Static sensitive device; please observe ESD precautions.
Reverse VDD protection is not included. For reverse voltage
protection, a 100resistor in series with VDD is recommended.
The SOT-23 device is magnetically reversed from
the UA package. The SOT-23 output transistor will
be latched on (BOP) in the presence of a sufficiently
strong North pole magnetic field subjected to the
marked face.
3901004881
Rev. 008
Page 1
Sep/02

1 Page





US4882 pdf, ピン配列
US4882 Magnetic Specifications
Parameter
Operating Point
Release Point
Hysteresis
Operating Point
Release Point
Hysteresis
Operating Point
Release Point
Hysteresis
Symbol
BOP
BRP
Bhys
BOP
BRP
Bhys
BOP
BRP
Bhys
Test Conditions
E/L UA, E/L SO, Ta= 25
Vdd=2.2 & 18 volts DC Vdd
E/L UA, E/L SO, Ta= 25
Vdd=2.2 & 18 volts DC Vdd
E/L UA, E/L SO, Ta= 25
Vdd=2.2 & 18 volts DC Vdd
EUA, ESO, Ta= 85
Vdd=2.2 & 18 volts DC Vdd
EUA, ESO, Ta= 85
Vdd=2.2 & 18 volts DC Vdd
EUA, ESO, Ta= 85
Vdd=2.2 & 18 volts DC Vdd
LUA, LSO, Ta=150°C,
Vdd=2.2 & 18 volts DC Vdd
LUA, LSO, Ta=150°C,
Vdd=2.2 & 18 volts DC Vdd
LUA, LSO, Ta=150°C,
Vdd=2.2 & 18 volts DC Vdd
Min Typ Max
-2.0 2.0 6.0
-6.0 -2.0 2.0
3.0 4.0 5.0
-3.0 2.0 6.0
-6.0 -2.0 -3.0
2.0 4.0 5.5
-3.5 2.0 6.0
-6.0 -2.0 3.5
1.0 4.0 5.5
Units
mT
mT
mT
mT
mT
mT
mT
mT
mT
3901004881
Rev. 008
Absolute Maximum Ratings
Supply Voltage (Operating), VDD
Supply Current (Fault), IDD
Output Voltage, VOUT
Output Current (Fault), IOUT
Power Dissipation, PD
Operating Temperature Range, TA
Storage Temperature Range, TS
Maximum Junction Temp, TJ
18V
50mA
18V
50mA
100mW
-40 to 150°C
-65 to 150°C
175° C
Page 3
Sep/02


3Pages


US4882 電子部品, 半導体
Performance Graphs
Typical Magnetic Switch Points
vs. Vdd
4881/2
12,5
10,0
7,5
5,0
2,5
0,0
-2,5
-5,0
-7,5
-10,0
-12,5
0
10 20
Vdd (V)
30
3901004881
Rev. 008
Page 6
Sep/02

6 Page



ページ 合計 : 11 ページ
 
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共有リンク

Link :


部品番号部品説明メーカ
US4881

Bipolar Hall Switch

Melexis
Melexis
US4882

CMOS Low Voltage High Sensitivity Latch

Melexis
Melexis


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