The A3211/2 are ultrasensitive, pole independent, Hall-effect switches with latched digital output. Their 2.5 V to 3.5 V operation and unique clocking scheme reduces the average operating power to less than 15 μW with a 2.75 V supply.
Either a north or south pole turns on the output in the A3212 and removing the magnetic field turns the output is off. This is reversed on the A3211.
Chopper stabilisation improves stability which reduces the residual offset voltage normally caused by device overmolding, temperature dependencies, and thermal stress.
Included on the chip is a Hall-voltage generator, small-signal amplifier, chopper stabilisation, a latch, and a MOSFET output.
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型号 | 制造商 | 描述 | 操作 |
A3212ELHLT-T [更多] | Allegro MicroSystems LLC | MAGNETIC SWITCH OMNIPOLAR SOT23W RoHS: Compliant | pbFree: Yes | 搜索 查看资料 |
A3212ELHLT-T [更多] | Allegro MicroSystems LLC | MAGNETIC SWITCH OMNIPOLAR SOT23W RoHS: Compliant | pbFree: Yes | 搜索 查看资料 |
A3212ELHLT-T [更多] | Allegro MicroSystems LLC | MAGNETIC SWITCH OMNIPOLAR SOT23W RoHS: Compliant | pbFree: Yes | 搜索 查看资料 |
型号 | 制造商 | 描述 | 操作 |
A3212ELHLT-T [更多] | Allegro MicroSystems LLC | Hall Effect Sensor 1mA Latch 2.75V 3-Pin SOT-23W T/R RoHS: Compliant | 搜索 |
型号 | 制造商 | 描述 | 操作 |
A3212ELHLT-T-CUT [更多] | Allegro MicroSystems LLC | Hall Effect Sensor 1mA Latch 2.75V 3-Pin SOT-23W T/R (Alt: A3212ELHLT-T-CUT) RoHS: Compliant | 搜索 |
A3212ELHLT-T-XYZ [更多] | Allegro MicroSystems LLC | Hall Effect Sensor 1mA Latch 2.75V 3-Pin SOT-23W T/R (Alt: A3212ELHLT-T) RoHS: Compliant | 搜索 |
型号 | 制造商 | 描述 | 操作 |
A3212ELHLT-T [更多] | Allegro MicroSystems LLC | Hall Effect Sensor 1mA Latch 2.75V Automotive 3-Pin SOT-23W T/R RoHS: Compliant | 搜索 |
A3212ELHLT-T [更多] | Allegro MicroSystems LLC | Hall Effect Sensor 1mA Latch 2.75V Automotive 3-Pin SOT-23W T/R RoHS: Compliant | 搜索 |
型号 | 制造商 | 描述 | 操作 |
A3212ELHLT-T [更多] | Allegro MicroSystems LLC | Hall Effect Sensor 1mA Latch 2.75V Automotive 3-Pin SOT-23W T/R RoHS: Compliant | 搜索 |
A3212ELHLT-T [更多] | Allegro MicroSystems LLC | Hall Effect Sensor 1mA Latch 2.75V Automotive 3-Pin SOT-23W T/R RoHS: Compliant | 搜索 |
A3212ELHLT-T [更多] | Allegro MicroSystems LLC | Hall Effect Sensor 1mA Latch 2.75V Automotive 3-Pin SOT-23W T/R RoHS: Compliant | 搜索 |
型号 | 制造商 | 描述 | 操作 |
A3212ELHLT-T [更多] | Allegro MicroSystems LLC | HALL EFFECT SWITCH, SMD, SOT23W-3
| 搜索 |
A3212ELHLT-T [更多] | Allegro MicroSystems LLC | HALL EFFECT SWITCH, SMD, SOT23W-3
| 搜索 |
型号 | 制造商 | 描述 | 操作 |
A3212ELHLT-T [更多] | Allegro MicroSystems LLC | Hall Effect Sensor Switch Omni SOT23W RoHS: Compliant | 搜索 查看资料 |
型号 | 制造商 | 描述 | 操作 |
A3212ELHLT-T [更多] | Allegro MicroSystems LLC |
| 搜索 |
参考图片 | 制造商 / 描述 / 型号 / 仓库库存编号 / 别名 | 操作 | |
![]() | Allegro MicroSystems, LLC MAGNETIC SWITCH OMNIPOLAR SOT23W 详细描述:Digital Switch Omnipolar Switch Open Drain Hall Effect SOT-23W 型号:A3212ELHLT-T 仓库库存编号:620-1039-1-ND 别名:620-1039-1 <br> | 无铅 | 搜索 |
产品描述 / 参考图片 | 制造商零件编号 / 制造商 / 库存编号 | 操作 | ||
| 制造商零件编号: A3212ELHLT-T 品牌: Allegro Microsystems 库存编号: 680-7125 | 搜索 |
参考图片 | 制造商 / 说明 / 型号 / 仓库库存编号 | 操作 | |
![]() | Allegro Microsystems Hall Effect Sensor Switch Omni SOT23W 型号:A3212ELHLT-T 仓库库存编号:R1076679 | ![]() | 搜索 |
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![]() | A3212ELHLT-T ALLEGRO MICROSYSTEMS | 芯片 霍尔效应开关![]() ![]() | 查价格库存 查看详细 |
![]() | A3212ELHLTT ALLEGRO MICROSYSTEMS | Hall Effect Sensor 1mA Latch 2.75V 3-Pin SOT-23W T/R 暂无PDF | 查价格库存 查看详细 |
参考图片 | 型号/品牌 | 描述 / 技术参考 | 操作 |
![]() | A3212ELHLT-T Allegro Microsystems Inc | IC SWITCH HALL EFFECT SOT23W![]() ![]() | 查价格库存 查看详细 |
参考图片 | 型号/品牌 | 描述 / 技术参考 | 操作 |
![]() | A3212ELHLT-T ALLEGRO MICROSYSTEMS | 芯片 霍尔效应开关![]() ![]() | 查价格库存 查看详细 |
![]() | A3212ELHLT-T Allegro MicroSystems, LLC | IC SWITCH HALL EFFECT SOT23W![]() ![]() | 查价格库存 查看详细 |