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參數(shù)資料
| 型號(hào)： | A1642LKNTN-I2-T |
| 廠商： | Allegro Microsystems Inc |
| 文件頁(yè)數(shù)： | 1/14頁(yè) |
| 文件大?。?/td> | 356K |
| 描述： | IC SENSOR HALL EFFECT OPT 4-SIP |
| 產(chǎn)品培訓(xùn)模塊： | Current Sensor |
| 標(biāo)準(zhǔn)包裝： | 12,000 |
| 傳感范圍： | 120mV 跳閘，120mV 釋放 |
| 類型： | 專用型 |
| 電源電壓： | 4 V ~ 24 V |
| 電流 - 電源： | 8.4mA |
| 輸出類型： | 數(shù)字，開路集電極 |
| 工作溫度： | -40°C ~ 150°C |
| 封裝/外殼： | 4-SIP |
| 供應(yīng)商設(shè)備封裝： | 4-SIP |
| 包裝： | 帶卷 (TR) |
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Description
The A1642 is an optimized Hall effect sensing integrated
circuit that provides a user-friendly solution for true zero-speed
digital ring-magnet sensing in two-wire applications. This small
package can be easily assembled and used in conjunction with
a wide variety of target shapes and sizes.
The integrated circuit incorporates dual Hall effect elements
and signal processing that switches in response to differential
magnetic signals created by ring magnet poles. The circuitry
contains a sophisticated digital circuit to reduce system offsets,
to calibrate the gain for air-gapindependent switchpoints,
and to achieve true zero-speed operation. Signal optimization
occurs at power-on through the combination of offset and
gain adjust and is maintained throughout the operating time
with the use of a running-mode calibration. The running-mode
calibration allows immunity to environmental effects such as
micro-oscillations of the target or sudden air gap changes.
The regulated current output is configured for two-wire
applications and the A1642 is ideally suited for obtaining
speed and duty cycle information in ABS (antilock braking
systems). The 1.5 mm spacing between the dual Hall elements
is optimized for fine pitch ring-magnetbased configurations.
For applications requiring sensing of rotating ferrous gears and
targets, refer to the Allegro ATS series of products. The package
is lead (Pb) free, with 100% matte tin leadframe plating.
A1642LKN-DS, Rev. 4
Features and Benefits
?Running mode calibration for continuous optimization
?Single chip IC for high reliability
?Internal current regulator for 2-wire operation
?Precise duty cycle signal over operating temperature range
?Large operating air gaps
?Automatic Gain Control (AGC) for air gap independent
switchpoints
?Automatic Offset Adjustment (AOA) for signal processing
optimization
?True zero-speed operation
?Undervoltage lockout
?Wide operating voltage range
?Wide-lead package suitable for welding external
components directly to the package leads or for welding
the device to a leadframe.
Two-Wire True Zero-Speed Miniature Differential
Peak-Detecting Sensor IC with Continuous Calibration
Package: 4-pin SIP (Suffix KN)
Functional Block Diagram
Not to scale
A1642
VCC
Automatic Offset
Control
AOA DAC
Hall
Amplifier
AGC DAC
Gain
Tracking
DAC
Peak Hold
Gain Control
Internal Regulator
Test Signals
GND
Test
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| A1642LKNTN-I1-T | IC SENSOR HALL EFFECT OPT 4-SIP |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| A1642LKTN-I1-T | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:Two-Wire True Zero-Speed Miniature Differential Peak-Detecting Sensor with Continuous Calibration |
| A1642LKTN-I2-T | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:Two-Wire True Zero-Speed Miniature Differential Peak-Detecting Sensor with Continuous Calibration |
| A16435-0009 | 功能描述:重負(fù)荷電源連接器 A16 DINW/ 35MMPINCON 35MMPINCON 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: |
| A16435-0019 | 功能描述:重負(fù)荷電源連接器 A16 DINW/ 35MMPINCON 35MMPINCON 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: |
| A16435-1009 | 功能描述:重負(fù)荷電源連接器 A16 DINW/ 35MMPINCON 35MMPINCON 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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