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A1642LK-I1-T PDF预览

A1642LK-I1-T

更新时间: 2024-02-20 15:00:10
品牌 Logo 应用领域
急速微 - ALLEGRO 传感器换能器磁场传感器信息通信管理
页数 文件大小 规格书
13页 326K
描述
Two-Wire True Zero-Speed Miniature Differential Peak-Detecting Sensor with Continuous Calibration

A1642LK-I1-T 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Not Recommended包装说明:SIP4,.03,50
Reach Compliance Code:compliant风险等级:5.67
其他特性:REVERSE BATTERY PROTECTION主体宽度:1.55 mm
主体高度:5.61 mm主体长度或直径:5.22 mm
JESD-609代码:e3最大磁场范围:100 mT
最小磁场范围:3 mT安装特点:THROUGH HOLE MOUNT
端子数量:4最大工作电流:8 mA
最高工作温度:150 °C最低工作温度:-40 °C
输出接口类型:2-WIRE INTERFACE输出类型:ANALOG CURRENT
封装主体材料:PLASTIC/EPOXY封装等效代码:SIP4,.03,50
封装形状/形式:RECTANGULAR电源:4/24 V
传感器/换能器类型:MAGNETIC FIELD SENSOR,HALL EFFECT子类别:Other Sensors
最大供电电压:24 V最小供电电压:4 V
表面贴装:NO技术:BICMOS
端子面层:Matte Tin (Sn)端接类型:SOLDER
Base Number Matches:1

A1642LK-I1-T 数据手册

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A1642LK  
Two-Wire True Zero-Speed Miniature Differential  
Peak-Detecting Sensor with Continuous Calibration  
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.  
Package K, 4-pin SIP  
The integrated circuit incorporates a dual-element Hall effect sensor 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-gap–independent 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 operat-  
ing 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 congured for two-wire applications and the  
sensor 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 ne pitch ring-magnet-based congurations. For applications requir-  
ing sensing of rotating ferrous gears and targets, refer to the ATS642LSH series of  
products. The package is lead (Pb) free, with 100% matte tin leadframe plating.  
1
2
3
4
1. VCC  
2. No connection  
3. Test pin (oat or tie to GND)  
4. GND  
Features and Benets  
• Running mode calibration for continu- • Automatic Gain Control (AGC) for air  
ous optimization  
gap independent switchpoints  
• Automatic Offset Adjustment (AOA)  
for signal processing optimization  
• True zero-speed operation  
• Undervoltage lockout  
• 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  
ABSOLUTE MAXIMUM RATINGS  
Supply Voltage, VCC ..........................................28 V  
Reverse-Supply Voltage, VRCC ........................–18 V  
Operating Temperature  
Ambient, TA,...............................–40ºC to 150ºC  
Maximum Junction, TJ(max)........................165ºC  
Storage Temperature, TS ..................–65ºC to 170ºC  
• Wide operating voltage range  
Use the following complete part numbers when ordering:  
Part Number  
Packing*  
ICC Typical  
A1642LK-I1-T  
Bulk, 500 pieces/bag  
6.0 Low to 14.0 High mA  
Tape and reel, 13-inch reel  
4000 pieces/reel  
A1642LKTN-I1-T  
A1642LK-I2-T  
Bulk, 500 pieces/bag  
7.0 Low to 14.0 High mA  
Tape and reel, 13-inch reel  
4000 pieces/reel  
A1642LKTN-I2-T  
*Contact Allegro for additional packing options.  
Allegro MicroSystems, Inc.  
115 Northeast Cutoff, Box 15036  
Worcester, Massachusetts 01615-0036 (508) 853-5000  
www.allegromicro.com  
A1642LK-DS  

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