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AH3774-W-7

更新时间： 2024-01-21 21:49:00
品牌 Logo 应用领域
美台 - DIODES 输出元件传感器换能器
页数 文件大小 规格书
14页 471K
描述
Hall Effect Sensor, -6mT Min, 6mT Max, 30-55mA, Rectangular, Surface Mount, GREEN, SC-59, 3 PIN

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AH3774-W-7 技术参数

是否Rohs认证：符合生命周期：Active
Reach Compliance Code：compliantFactory Lead Time：19 weeks
风险等级：1.68Is Samacsys：N
主体宽度：1.6 mm主体高度：1.15 mm
主体长度或直径：3 mm滞后：8 mT
JESD-609代码：e3最大磁场范围：6 mT
最小磁场范围：-6 mT安装特点：SURFACE MOUNT
最大工作电流：4 mA最高工作温度：125 °C
最低工作温度：-40 °C最大输出电流：55 mA
输出范围：30-55mA输出类型：CURRENT OUTPUT
封装形状/形式：RECTANGULAR传感器/换能器类型：MAGNETIC FIELD SENSOR,HALL EFFECT
最大供电电压：28 V最小供电电压：3 V
表面贴装：YES端子面层：Matte Tin (Sn)
端接类型：SOLDERBase Number Matches：1

AH3774-W-7 数据手册

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AH3774  
HIGH-VOLTAGE HIGH-SENSITIVITY HALL EFFECT LATCH  
Description  
Pin Assignments  
The AH3774 is a high-voltage, high-sensitivity Hall Effect Latch IC  
designed for commutation of brushless DC motor, flow meters, linear  
encoders and position sensors in industrial and consumer home  
appliance and personal care applications. To support a wide range of  
demanding applications, the design is optimized to operate over the  
supply range of 3.0V to 28V. With chopper stabilized architecture and  
an internal bandgap regulator to provide temperature compensated  
supply for internal circuits, the AH3774 provides a reliable solution  
over the whole operating range. For robustness and protection, the  
device has a reverse blocking diode with a Zener clamp on the  
supply. The output has an over current limit and a Zener clamp.  
(Top View)  
3 OUTPUT  
GND 2  
1 VDD  
SC59 and SOT23  
The single open-drain output can be switched on with South Pole of  
sufficient strength and switched off with North Pole of sufficient  
strength. When the magnetic flux density (B) perpendicular to the  
package is larger than the operate point (Bop) the output is switched  
on (pulled low). The output is held latched until magnetic flux density  
reverses and becomes lower than the release point (Brp).  
(Top View)  
3. OUTPUT  
2.  
1.  
GND  
VDD  
The magnetic operating and release polarity is opposite for SOT23  
and SC59 packages. SOT23 and SIP-3 packages will require South  
Pole to the part marking side to operate while SC59 will require South  
Pole to the non-part marking side.  
SIP-3  
Features  
Applications  
•
•
•
•
•
Bipolar Latch (South Pole: On, North Pole: Off)  
3.0V to 28V Operating Voltage Range  
•
•
•
•
•
Brushless DC Motor Commutation  
Revolution Per Minute (RPM) Measurement  
Flow Meters  
High Sensitivity: Bop and Brp of +40G and -40G Typical  
Single Open Drain Output with Over Current Limit  
Chopper Stabilized Design Provides  
Angular and Linear Encoder and Position Sensors  
Contact-less Commutation, Speed Measurement and Angular  
Position Sensing/Indexing in Consumer Home Appliances, Office  
Equipments and Industrial Applications  
•
Superior Temperature Stability  
Minimal Switch Point Drift  
Enhanced Immunity to Stress  
•
•
•
•
•
•
•
Good RF Noise Immunity  
Reverse Blocking Diode and Zener Clamp on Supply  
-40°C to +125°C Operating Temperature  
ESD (HBM): 6kV  
Industry Standard SC59, SOT23 and SIP-3 Packages  
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)  
Halogen and Antimony Free. “Green” Device (Note 3)  
Notes:  
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.  
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"  
and Lead-free.  
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl)  
and <1000ppm antimony compounds.  
1 of 14  
www.diodes.com  
September 2015  
© Diodes Incorporated  
AH3774  
Document number: DS37899 Rev. 1 - 2  
1234567...14

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 		Hall Effect Sensor, -9mT Min, 9mT Max, 30-55mA, Rectangular, Surface Mount, GREEN, SOT-23,
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 		HIGH-VOLTAGE MEDIUM-SENSITIVITY HALL EFFECT LATCH
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 		HIGH-VOLTAGE MEDIUM-SENSITIVITY HALL EFFECT LATCH
AH3775-W-A DIODES

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 		HIGH-VOLTAGE MEDIUM-SENSITIVITY HALL EFFECT LATCH
AH3775-W-B DIODES

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 		HIGH-VOLTAGE MEDIUM-SENSITIVITY HALL EFFECT LATCH

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