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參數資料
| 型號： | US3881LUA |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | CMOS Low Voltage Hall Effect Latch |
| 中文描述： | CMOS低電壓霍爾效應鎖存 |
| 文件頁數： | 1/6頁 |
| 文件大小： | 117K |
| 代理商： | US3881LUA |
US3881
CMOS Low Voltage Hall Effect Latch
US3881 CMOS Low Voltage Hall Effect Latch 3901003881 Rev 4.2 7/23/01 Page 1
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
Applications
Solid state switch
Brushless DC motor commutation
Speed sensing
Linear position sensing
Angular position sensing
Current sensing
Ordering Information
Part No. Temperature Suffix Package Temperature Range
US3881 E SO or UA -40
o
C to 85
o
C Commercial
US3881 L SO or UA -40
o
C to 150
o
C Automotive
* Contact factory or Sale Representative for legacy temperature options
Description
The US3881 is a bipolar Hall effect sensor IC fabri-
cated from mixed signal CMOS technology. It in-
corporates advanced chopper stabilization tech-
niques to provide accurate and stable magnetic
switch points. There are many applications for this
sensor in addition to those listed above. The de-
sign, specifications, and performance have been
optimized for commutation applications in 5V and
12V brushless DC motors.
The output transistor will be latched on (B
OP
) in the
presence of a sufficiently strong South pole mag-
netic field facing the marked side of the package.
Similarly, the output will be latched off (B
RP
) in the
presence of a North field.
The SOT-23 device is reversed from the UA pack-
age. The SOT-23 output transistor will be latched
on in the presence of a sufficiently strong North
pole magnetic field subjected to the marked face.
Functional Diagram
Note:
Static sensitive device; please observe ESD precautions. Re-
verse V
protection is not included. For reverse voltage protec-
tion, a 100
W
resistor in series with V
DD
is recommended.
Output
GND
V
DD
Voltage
Regulator
Chopper
SO Package
Pin 1 - V
DD
Pin 2 - Output
Pin 3 - GND
UA Package
Pin 1 - V
DD
Pin 2 - GND
Pin 3 - Output
相關PDF資料 |
PDF描述 |
|---|---|
| US3881 | CMOS Low Voltage Hall Effect Latch |
| US3881ESO | CMOS Low Voltage Hall Effect Latch |
| US3881LSO | CMOS Low Voltage Hall Effect Latch |
| US3881EUA | CMOS Low Voltage Hall Effect Latch |
| US3A | Ultra silicon rectifier diodes |
相關代理商/技術參數 |
參數描述 |
|---|---|
| US3881LUA-AAA-000-BA | 制造商:Melexis Semiconductors 功能描述:IC HALL EFFECT LATCH LV TO-92-3 制造商:Melexis Semiconductors 功能描述:Hall latch |
| US3881LUA-AAA-000-BU | 制造商:Melexis Semiconductors 功能描述:IC HALL EFFECT LATCH LV TO-92-3 制造商:Melexis Semiconductors 功能描述:US3881 Series 2.2 to 18 V Low Voltage & High Sensitivity Hall Latch - TO-92-3 |
| US3A | 制造商:MIC 制造商全稱:MIC GROUP RECTIFIERS 功能描述:SURFACE MOUNT HIGH EFFICIENCY RECTIFIER |
| US3A_07 | 制造商:SEMIKRON 制造商全稱:Semikron International 功能描述:Ultrafast silicon rectifier diodes |
| US3AB | 制造商:LUGUANG 制造商全稱:Shenzhen Luguang Electronic Technology Co., Ltd 功能描述:Surface Mount Rectifiers |
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