A3212LLHLT

更新时间： 2024-02-15 14:10:36

品牌	Logo	应用领域
急速微 - ALLEGRO		模拟IC 开关信号电路光电二极管信息通信管理
页数	文件大小	规格书
13页	381K
描述
MICROPOWER, ULTRA-SENSITIVE HALL-EF FECT SWITCH

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A3212LLHLT 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：	3	Reach 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-G3	JESD-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 mm	Base Number Matches：	1

A3212LLHLT 数据手册

3212

MICROPOWER,

ULTRA-SENSITIVE

HALL-EFFECT SWITCH

FUNCTIONAL DESCRIPTION (cont'd)

Operation. The output of this device switches low (turns on)

when a magnetic field perpendicular to the Hall sensor exceeds

the operate point B_OPS(or is less than B_OPN). After turn-on, the

output is capable of sinking up to 1 mA and the output voltage

is V_OUT(ON). When the magnetic field is reduced below the

release point B_RPS(or increased above B_RPN), the device output

switches high (turns off). The difference in the magnetic operate

and release points is the hysteresis (B_hys) of the device. This

built-in hysteresis allows clean switching of the output even

in the presence of external mechanical vibration and electrical

noise.

OUTPUT OFF

5 V

MAX

OPN

OPS

As used here, negative flux densities are defined as less than

zero (algebraic convention), i.e., -50 G is less than +10 G.

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.

RPS

RPN

OUTPUT ON

-B

MAGNETIC FLUX

Dwg. GH-043-1

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.

OUTPUT

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:

10 pF

• 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

SUPPLY

(3 V BATTERY)

0.1 µF

Dwg. EH-013-2

• Soldering of Surface-Mount Hall-Sensor Devices, Application

Note 27703.2.

All are provided at

www.allegromicro.com

1...4 5 678 9 10...13

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与A3212LLHLT相关器件

型号	品牌	描述	获取价格	数据表
A3212LLHLT-T	ALLEGRO	MICROPOWER, ULTRA-SENSITIVE HALL-EF FECT SWITCH	获取价格
A3212LLHLX-T	ALLEGRO	Analog Circuit,	获取价格
A3212LUA	ALLEGRO	MICROPOWER, ULTRA-SENSITIVE HALL-EF FECT SWITCH	获取价格
A3212LUA	SANKEN	Analog Circuit, 1 Func, BICMOS, PSIP3, ULTRA MINI, SIP-3	获取价格
A3212LUA2	ALLEGRO	Analog Circuit, 1 Func, BICMOS, PSIP3, SIP-3	获取价格
A3212LUA-C	ALLEGRO	Sensor/Transducer, Open-drain, BICMOS, 3 Pin, Plastic/epoxy,	获取价格

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