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參數(shù)資料
| 型號(hào)： | A3245LLHLT-T |
| 廠商： | Allegro Microsystems Inc |
| 文件頁數(shù)： | 2/13頁 |
| 文件大小： | 506K |
| 描述： | IC SW HALL EFFECT OMNI SOT23W |
| 產(chǎn)品培訓(xùn)模塊： | Current Sensor |
| 標(biāo)準(zhǔn)包裝： | 3,000 |
| 傳感范圍： | ±55G 跳閘，±6G 釋放 |
| 類型： | 全極開關(guān) |
| 電源電壓： | 3.6 V ~ 24 V |
| 電流 - 電源： | 3.5mA |
| 輸出類型： | 數(shù)字式，開漏極 |
| 特點(diǎn)： | 穩(wěn)壓電壓 |
| 工作溫度： | -40°C ~ 150°C |
| 封裝/外殼： | SOT-23W |
| 供應(yīng)商設(shè)備封裝： | SOT-23W |
| 包裝： | 帶卷 (TR) |
Description
The A3245 integrated circuit is an omnipolar, ultrasensitive
Hall-effect switch with a digital output. This device has an
integrated regulator permitting operation to 24 V, making
it the first omnipolar switch available for operation to 24 V.
This device is especially suited for operation over extended
temperature ranges, up to +150癈. Superior high-temperature
performance is made possible through an Allegro
?/DIV>
patented
dynamic offset cancellation, which reduces the residual offset
voltage normally caused by device overmolding, temperature
excursions, and thermal stress.
The A3245 Hall-effect switch includes the following on a
single silicon chip: voltage regulator, Hall-voltage generator,
small-signal amplifier, chopper stabilization, Schmitt trigger,
and a short circuit protected open-drain output. Advanced
BiCMOS wafer fabrication processing is used to take advantage
of low-voltage requirements, component matching, very low
input-offset errors, and small component geometries.
The omnipolar operation of the A3245 allows activation with
either a north or a south polarity field of sufficient strength.
In the absence of a magnetic field, the output is off. This
A3245-DS, Rev. 12
Features and Benefits
? Omnipolar operation
? Chopper stabilization
?Superior temperature stability
?Extremely low switchpoint drift
?Insensitive to physical stress
? Reverse battery protection
? Output short circuit protection
? Solid state reliability
? Small size
? Robust EMC capability
? High ESD ratings (HBM)
Chopper-Stabilized Omnipolar Hall-Effect Switches
Continued on the next page&
Functional Block Diagram
Not to scale
Packages: 3 pin SOT23W (suffix LH)
A3245
Regulator
GND
VCC
VOUT
Control
Current Limit
<1?
To All Subcircuits
Amp
Amp
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| A3245LUA | 功能描述:IC SW HALL EFFECT OMNI 3-SIP RoHS:否 類別:傳感器，轉(zhuǎn)換器 >> 磁性 - 霍爾效應(yīng)，數(shù)字式開關(guān)，線性，羅盤 (IC) 系列:- 標(biāo)準(zhǔn)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(diǎn):可編程 工作溫度:-40°C ~ 150°C 封裝/外殼:20-SSOP（0.209"，5.30mm 寬） 供應(yīng)商設(shè)備封裝:20-SSOP 包裝:Digi-Reel® 其它名稱:AS5132-HSST-500DKR |
| A3245LUA-T | 功能描述:IC SW HALL EFFECT OMNI 3-SIP RoHS:是 類別:傳感器，轉(zhuǎn)換器 >> 磁性 - 霍爾效應(yīng)，數(shù)字式開關(guān)，線性，羅盤 (IC) 系列:- 標(biāo)準(zhǔn)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(diǎn):可編程 工作溫度:-40°C ~ 150°C 封裝/外殼:20-SSOP（0.209"，5.30mm 寬） 供應(yīng)商設(shè)備封裝:20-SSOP 包裝:Digi-Reel® 其它名稱:AS5132-HSST-500DKR |
| A3245LUA-T | 制造商:Allegro MicroSystems 功能描述:Hall Effect Switch IC |
| A32464-000 | 制造商:TE Connectivity 功能描述:VARISTOR 300V 20MM STRAIGHT LEAD 制造商:TE Connectivity 功能描述:VARISTOR 300V 12.5KA DISC 20MM |
| A32470-0009 | 功能描述:重負(fù)荷電源連接器 A32 PLUG 70mm CONT MPIN RoHS:否 制造商:Hirose Connector 系列:PS2 產(chǎn)品類型:Connectors 位置/觸點(diǎn)數(shù)量: 端接類型:Crimp 觸點(diǎn)材料: 觸點(diǎn)電鍍:Gold 電壓額定值: 電流額定值:300 A 附件類型: |
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