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A3212EUA-TL PDF预览

A3212EUA-TL

更新时间： 2024-01-24 13:49:42
品牌 Logo 应用领域
急速微 - ALLEGRO 开关
页数 文件大小 规格书
13页 377K
描述
Analog Circuit, 1 Func, BICMOS, PSSO3, ULTRA MINI, SIP-3

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A3212EUA-TL 技术参数

是否Rohs认证：不符合生命周期：Obsolete
零件包装代码：SIP包装说明：,
针数：3Reach Compliance Code：compliant
HTS代码：8542.39.00.01风险等级：5.64
Is Samacsys：N模拟集成电路 - 其他类型：ANALOG CIRCUIT
JESD-30 代码：R-PSSO-G3JESD-609代码：e0
长度：4.105 mm功能数量：1
端子数量：3最高工作温度：150 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：240认证状态：Not Qualified
座面最大高度：1.57 mm最大供电电压 (Vsup)：3.5 V
最小供电电压 (Vsup)：2.5 V标称供电电压 (Vsup)：2.75 V
表面贴装：YES技术：BICMOS
温度等级：AUTOMOTIVE端子面层：Tin/Lead (Sn/Pb)
端子形式：GULL WING端子节距：1.27 mm
端子位置：SINGLE处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：3.035 mmBase Number Matches：1

A3212EUA-TL 数据手册

 浏览型号A3212EUA-TL的Datasheet PDF文件第5页浏览型号A3212EUA-TL的Datasheet PDF文件第6页浏览型号A3212EUA-TL的Datasheet PDF文件第7页浏览型号A3212EUA-TL的Datasheet PDF文件第9页浏览型号A3212EUA-TL的Datasheet PDF文件第10页浏览型号A3212EUA-TL的Datasheet PDF文件第11页 
A3211 and  
A3212  
Micropower, Ultrasensitive  
Hall Effect Switch  
FUNCTIONAL DESCRIPTION (cont'd)  
Operation. The output of the A3212 switches low (turns on)  
when a magnetic field perpendicular to the Hall sensor exceeds  
the operate point BOPS (or is less than BOPN). After turn-on, the  
output is capable of sinking up to 1 mA and the output voltage  
is VOUT(ON). When the magnetic field is reduced below the  
release point BRPS (or increased above BRPN), the device output  
switches high (turns off). The difference in the magnetic operate  
and release points is the hysteresis (Bhys) of the device. This  
built-in hysteresis allows clean switching of the output even  
in the presence of external mechanical vibration and electrical  
noise. The A3211 functions in the same manner, except the out-  
put voltage is reversed from the A3212, as shown in the figures  
to the right.  
A3211  
OUTPUT OFF  
OUTPUT OFF  
5 V  
MAX  
B
RPS  
B
RPN  
B
B
OPS  
OPN  
OUTPUT ON  
0
As used here, negative flux densities are defined as less than  
zero (algebraic convention), i.e., -50 G is less than +10 G.  
0
-B  
+B  
MAGNETIC FLUX  
Applications. Allegro's pole-independent sensing technique  
allows for operation with either a north pole or south pole mag-  
net orientation, enhancing the manufacturability of the device.  
The state-of-the-art technology provides the same output polarity  
for either pole face.  
A3212  
OUTPUT OFF  
5 V  
MAX  
B
It is strongly recommended that an external bypass capacitor  
be connected (in close proximity to the Hall sensor) between the  
supply and ground of the device to reduce both external noise  
and noise generated by the chopper-stabilization technique. This  
is especially true due to the relatively high impedance of battery  
supplies.  
B
OPN  
OPS  
The simplest form of magnet that will operate these devices  
is a bar magnet with either pole near the branded surface of the  
device. Many other methods of operation are possible. Exten-  
sive applications information for Hall-effect sensors is available  
in:  
B
B
RPN  
RPS  
OUTPUT ON  
OUTPUT ON  
0
0
-B  
+B  
MAGNETIC FLUX  
• Hall-Effect IC Applications Guide, Application Note 27701;  
• Hall-Effect Devices: Soldering, Gluing, Potting, Encapsu-  
lating, and Lead Forming, Application Note 27703.1;  
• Soldering of Through-Hole Hall-Sensor Dervices, Application  
Note 27703; and  
OUTPUT  
• Soldering of Surface-Mount Hall-Sensor Devices, Application  
Note 27703.2.  
All are provided at  
X
www.allegromicro.com  
S UPPLY  
(3 V BATTE R Y)  
0.1 ∝F  
Dwg. E H-013-2  
Allegro MicroSystems, Inc.  
115 Northeast Cutoff, Box 15036  
8
Worcester, Massachusetts 01615-0036 (508) 853-5000  
www.allegromicro.com  
1...567891011...13

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