Datasheet > HAL204

HAL204

更新时间： 2024-11-09 07:02:43

品牌	Logo	应用领域
MICRONAS		传感器
页数	文件大小	规格书
2页	473K
描述
Low-Cost Hall-Effect Sensor Family

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HAL204 数据手册

PRODUCT INFORMATION

April/2009

HAL 2xy

Low-Cost Hall-Effect Sensor Family

The HAL 2xy Hall switch family is produced

Features

Major Applications

in CMOS technology. The sensors include a

temperature-compensated Hall plate with

active offset compensation, a comparator,

and an open-drain output transistor.

Operates from 3.8 V to 24 V supply volt-

age

The HAL 2xy is the optimal system solution

for applications, such as:

Operates with static magnetic fields and

dynamic magnetic fields up to 10 kHz

Endposition detection

The comparator compares the actual mag-

netic flux through the Hall plate (Hall volt-

age) with the fixed reference values (switch-

ing points). Accordingly, the output

transistor is switched on or off.

RPM measurement of motors in various

applications, such as power window

Overvoltage protection at all pins

Reverse-voltage protection at V pin

Brushless DC motors

Magnetic characteristics are robust

against mechanical stress effects

RPM measurements in flow meters

Replacement of micro switches

The active offset compensation leads to

magnetic parameters which are robust

against mechanical stress effects. In addi-

tion, the magnetic characteristics are con-

stant in the full supply voltage and tempera-

ture range.

Short-circuit protected open-drain out-

put by thermal shut down

Constant switching points over a wide

supply voltage and temperature range

The decrease of magnetic flux density

caused by rising temperature in the sen-

sor system is compensated by a built-in

negative temperature coefficient of the

magnetic characteristics

The sensors are designed for industrial and

automotive applications and operate with

supply voltages from 3.8 V to 24 V in the

ambient temperature range from −40 °C up

to 125 °C.

High temperature stability for automotive

or industrial applications

High ESD rating

The HAL 2xy family is available in the

SOT89B SMD package and in the leaded

TO92UA package.

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