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參數資料
| 型號： | A1146LUA-T |
| 廠商： | Allegro Microsystems Inc |
| 文件頁數： | 2/13頁 |
| 文件大小： | 466K |
| 描述： | IC SWITCH HALL EFFECT UNI 3-SIP |
| 產品培訓模塊： | Current Sensor |
| 標準包裝： | 500 |
| 傳感范圍： | 60G 跳閘，10G 釋放 |
| 類型： | 單極開關 |
| 電源電壓： | 3.5 V ~ 24 V |
| 電流 - 電源： | 6.9mA |
| 輸出類型： | 數字式，開漏極 |
| 特點： | 穩壓電壓 |
| 工作溫度： | -40°C ~ 150°C |
| 封裝/外殼： | 3-SIP |
| 供應商設備封裝： | 3-SIP |
| 包裝： | 散裝 |
Description
The A1145 and A1146 devices are two-wire, unipolar, Hall
effect switches that are factory-programmed at end-of-line to
optimize ultrasensitive magnetic switchpoint accuracy. These
devices use a patented high frequency chopper-stabilization
technique, produced using the Allegro advanced BiCMOS
wafer fabrication process, to achieve magnetic stability and
to eliminate offset inherent in single-element devices exposed
to harsh application environments.
Commonly found in a number of automotive applications,
these switches are utilized in sensing seat track position, seat
belt buckle presence, hood/trunk latching, and shift selector
position. Two-wire unipolar switches, such as the A1145
and A1146, are particularly advantageous in price-sensitive
applications because they require one less wire for operation
than do switches with the more traditional open-collector output.
Additionally, the system designer inherently gains diagnostics
because there is always output current flowing, which should
be in either of two narrow ranges. Any current level not within
these ranges indicates a fault condition. These devices also
A1145-DS, Rev. 16
Features and Benefits
? Chopper stabilization
?Low switchpoint drift over operating
temperature range
?Low sensitivity to stress
? Factory programmed at end-of-line for optimized
switchpoints
? On-chip protection
?Supply transient protection
?Reverse-battery protection
?On-board voltage regulator
?3.5 to 24 V operation
Ultrasensitive Two-Wire Chopper-Stabilized
Unipolar Hall Effect Switches
Continued on the next page&
Functional Block Diagram
Not to scale
Packages: 3 pin SOT23W (suffix LH), and
3 pin SIP (suffix UA)
A1145 and A1146
Amp
Regulator
Low-Pass
Filter
GND
VCC
GND
Package UA Only
0.01 uF
V+
Clock/Logic
To All Subcircuits
相關PDF資料 |
PDF描述 |
|---|---|
| A1148LUA-T | IC SWITCH HALL EFFECT UNI 3-SIP |
| A1155LUA-T | IC SW HALL EFFECT CHOPPER 3SIP |
| A1180LUA-T | IC SWITCH HALL EFFECT UNI 3-SIP |
| A1184LUA-T | IC SWITCH HALL EFFECT UNI 3-SIP |
| A1186LUA-T | IC SWITCH HALL EFFECT UNI 3-SIP |
相關代理商/技術參數 |
參數描述 |
|---|---|
| A1146LUATI | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:Ultrasensitive Two-Wire Chopper-Stabilized Unipolar Hall Effect Switches |
| A1146LUATI-T | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:Ultrasensitive Two-Wire Chopper-Stabilized Unipolar Hall Effect Switches |
| A1147 | 制造商:Hakko 功能描述:Nozzle 1.0mm (0.04'') |
| A1147_06 | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:Low Current Ultrasensitive Two-Wire Chopper-Stabilized Unipolar Hall Effect Switches |
| A1147ELHLT | 功能描述:IC SWITCH HALL EFFECT UNI SOT-23 RoHS:否 類別:傳感器，轉換器 >> 磁性 - 霍爾效應，數字式開關，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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