Datasheet > OH9248

OH9248

更新时间： 2024-11-13 12:05:31

品牌	Logo	应用领域
OHHALLSENSOR		开关
页数	文件大小	规格书
5页	227K
描述
High Sensitivity Micropower Omnipolar Hall-Effect Switch

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OH9248 数据手册

OH9248

High Sensitivity Micropower Omnipolar Hall-Effect Switch

Order Information

Part Number

OH9248-T

OH9248-S

Package Temperature Range

Marking ID

9248

Packing Type

Bulk

TO-92S

SOT23

-40 to 85°C

GL1

Tape & Reel

General Description: The OH9248 is an ultra-sensitive Hall-effect switch with

digital latched output, mainly designed for battery-operation, hand-held

equipments. Special CMOS process is used for low-voltage and low-power

requirement. A chopper stabilized amplifier improves stability of magnetic switch

points. A sleep-awake logic controls the IC in sleep time or awake time. This function will

reduce the average operating current of the IC. During the awake time, the output is

changed with the magnetic flux density. During the sleep time, the output is latched in its

previous state and the current consumption will reduce to some μA. The IC switching

behaviour is omnipolar, either north or south pole sufficient strength will turn the output on.

If the magnetic flux density is larger than operating point (BOP), the output will be turned

on; if it is less than releasing point (BRP), the output will be turned off.

Features

Applications

• Micropower Operation

• Cover Switch in Notebook PC/PDA

• 2.5 to 5.5V Power Supply

• Handheld Wireless Application Awake Switch

• Switching for Both Poles of a Magnet (Omnipolar)

• Magnet Switch in Low Duty Cycle

• Stabilized Chopper

Applications

• Superior Temperature Stability

• Digital Output Signal

Absolute Maximum Ratings （T_A=25℃）

Supply Voltage VCC_{··············}7 V

Functional Block Diagram

Supply Current (Fault) ICC _{··············}6 mA

Output Voltage VOUT _{··············}7 V

Output Current IOUT _{··············}2 mA

Magnetic Flux Density B _{·············}Unlimited

Storage Temperature _{·············}-55 to 150 °C

Junction Temperature _{············}150 °C

ESD (Machine Model) _{············}ESD 200 V

NOTE：Electronic semiconductor products are

sensitive to Electro Static Discharge (ESD).

Always observe Electro Static Discharge

control procedures whenever handling

semiconductor products.

Page 1

www.ohhall.com

Nanjing Ouzhuo Technology co., Ltd

www.zbling.com

Tel：86-25-52312738，86-25-83247886 FAX: 86-25-52312738

E-mail: ohhall@163.com

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与OH9248相关器件

型号	品牌	获取价格	描述	数据表
OH9248-S	OHHALLSENSOR	获取价格	High Sensitivity Micropower Omnipolar Hall-Effect Switch
OH9248-T	OHHALLSENSOR	获取价格	High Sensitivity Micropower Omnipolar Hall-Effect Switch
OH9249	OHHALLSENSOR	获取价格	High Sensitivity Micropower Omnipolar Hall-Effect Switch
OH9249-S	OHHALLSENSOR	获取价格	High Sensitivity Micropower Omnipolar Hall-Effect Switch
OH-A8FVC17A	NEL	获取价格	HF/UHF OCXO Low Power SMD
OH-A8FVC17B	NEL	获取价格	HF/UHF OCXO Low Power SMD
OH-A8FVC17C	NEL	获取价格	HF/UHF OCXO Low Power SMD
OH-A8FVC17D	NEL	获取价格	HF/UHF OCXO Low Power SMD
OH-A8FVC17E	NEL	获取价格	HF/UHF OCXO Low Power SMD
OH-A8FVC17F	NEL	获取价格	HF/UHF OCXO Low Power SMD

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