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參數(shù)資料
| 型號： | US1881 |
| 英文描述： | US1881 General Purpose Hall effect Latch |
| 中文描述： | US1881通用霍爾效應鎖存 |
| 文件頁數(shù)： | 1/9頁 |
| 文件大?。?/td> | 162K |
| 代理商： | US1881 |
3901001881
Rev. 012
Page 1
Aug/02
Features
and Benefits
Chopper stabilized amplifier stage
Optimized for BDC motor applications
New miniature package / thin, high reliability package
Operation down to 3.5V
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
US1881
E ( -40
o
C to 85
o
C )
US1881
L ( -40
o
C to 150
o
C )
*Contact factory or sales representative for legacy temperature options
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Package
SO (SOT-23) or UA (TO-92 flat)
SO (SOT-23) or UA (TO-92 flat)
Description
The US1881 is the industry’s first Hall integrated
circuit in a SOT-23 package. The US1881 is a
bipolar Hall effect sensor IC fabricated from mixed
signal CMOS technology. It incorporates advanced
chopper stabilization techniques to provide accurate
and stable magnetic switch points. There are many
applications for this HED in addition to those listed
above. The design, 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
magnetic 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
package. The SOT-23 output transistor will be
latched on in the presence of a sufficiently strong
North pole magnetic field applied to the marked
face.
Functional Diagram
Note:
Static sensitive device; please observe ESD precautions.
Reverse V
protection is not included. For reverse voltage
protection, a 100W resistor in series with V
DD
is recommended.
Output
GND
V
DD
Voltage
Regulator
Chopper
SO Package
Pin 1 - V
Pin 2 - Output
Pin 3 - GND
UA Package
Pin 1 - V
Pin 2 - GND
Pin 3 - Output
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| US1D-T1 | 1.0A SURFACE MOUNT ULTRA FAST RECTIFIER |
| US1K-T1 | 1.0A SURFACE MOUNT ULTRA FAST RECTIFIER |
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| US1A-T3 | 1.0A SURFACE MOUNT ULTRA FAST RECTIFIER |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| US1881E | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:CMOS MULTI-PURPOSE LATCH |
| US1881ESE | 制造商:MELEXIS 制造商全稱:Melexis Microelectronic Systems 功能描述:Hall Latch - High Sensitivity |
| US1881ESE-AAA-000-RE | 功能描述:IC LATCH CMOS MP TSOT23-3 RoHS:是 類別:傳感器，轉換器 >> 磁性 - 霍爾效應，數(shù)字式開關，線性，羅盤 (IC) 系列:- 標準包裝:1 系列:- 傳感范圍:20mT ~ 80mT 類型:旋轉 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 |
| US1881ESO | 功能描述:IC LATCH CMOS MP SOT-23 RoHS:否 類別:傳感器，轉換器 >> 磁性 - 霍爾效應，數(shù)字式開關，線性，羅盤 (IC) 系列:- 標準包裝:1 系列:- 傳感范圍:20mT ~ 80mT 類型:旋轉 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 |
| US1881EUA | 制造商:MELEXIS 制造商全稱:Melexis Microelectronic Systems 功能描述:Hall Latch - High Sensitivity |
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