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参数资料
| 型号： | A3245LUA-T |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 2/13页 |
| 文件大小： | 506K |
| 描述： | IC SW HALL EFFECT OMNI 3-SIP |
| 标准包装： | 500 |
| 传感范围： | ±55G 跳闸，±6G 释放 |
| 类型： | 全极开关 |
| 电源电压： | 3.6 V ~ 24 V |
| 电流 - 电源： | 3.5mA |
| 输出类型： | 数字式，开漏极 |
| 特点： | 稳压电压 |
| 工作温度： | -40°C ~ 150°C |
| 封装/外壳： | 3-SIP |
| 供应商设备封装： | 3-SIP |
| 包装： | 散装 |
| 其它名称： | 620-1213 |
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
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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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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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:重负荷电源连接器 A32 PLUG 70mm CONT MPIN RoHS:否 制造商:Hirose Connector 系列:PS2 产品类型:Connectors 位置/触点数量: 端接类型:Crimp 触点材料: 触点电镀:Gold 电压额定值: 电流额定值:300 A 附件类型: |
| A32470-0049 | 功能描述:重负荷电源连接器 A32 PLUG 70mm CONT WITH 2 AUX/2 PILOT RoHS:否 制造商:Hirose Connector 系列:PS2 产品类型:Connectors 位置/触点数量: 端接类型:Crimp 触点材料: 触点电镀:Gold 电压额定值: 电流额定值:300 A 附件类型: |
| A32470-1009 | 功能描述:重负荷电源连接器 A32 PLUG 70mm CONT MPIN RoHS:否 制造商:Hirose Connector 系列:PS2 产品类型:Connectors 位置/触点数量: 端接类型:Crimp 触点材料: 触点电镀:Gold 电压额定值: 电流额定值:300 A 附件类型: |
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