Datasheet > A3134*UA

A3134*UA

更新时间： 2024-01-03 13:41:02

品牌	Logo	应用领域
其他 - ETC		开关
页数	文件大小	规格书
8页	161K
描述
BIPOLAR HALL-EFFECT SWITCH FOR HIGH-TEMPERATURE OPERATION

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技术参数
数据手册

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A3134*UA 技术参数

生命周期：	Obsolete	Reach Compliance Code：	unknown
风险等级：	5.84	Base Number Matches：	1

A3134*UA 数据手册

3134

BIPOLAR HALL-EFFECT SWITCH

FOR HIGH-TEMPERATURE OPERATION

This low-hysteresis bipolar Hall-effect switch is an extremely

temperature-stable and stress-resistant sensor especially suited for

operation over extended temperature ranges to +150°C. Superior

high-temperature performance is made possible through a novel Schmitt

trigger circuit that maintains operate and release point stability by

compensating for temperature changes in the Hall element. Additionally,

internal compensation provides magnetic switch points that become more

sensitive with temperature, hence offsetting the usual degradation of the

magnetic field with temperature. Its low hysteresis makes this device

ideal for detecting small changes in magnetic field strength or for use

with inexpensive magnets.

The device includes on a single silicon chip a voltage regulator,

quadratic Hall-voltage generator, temperature compensation circuit,

signal amplifier, Schmitt trigger, and a buffered open-collector output to

sink up to 25 mA. The on-board regulator permits operation with supply

voltages of 3.8 volts to 24 volts.

The first character of the part number suffix determines the device

operating temperature range. Suffix ‘E–’ is for -40°C to +85°C, and

suffix ‘L–’ is -40°C to +150°C. Three package styles provide a magneti-

cally optimized package for most applications. Suffix ‘–LT’ is a minia-

ture SOT-89/TO-243AA transistor package for surface-mount applica-

tions; suffix ‘–U’ is a three-lead plastic mini-SIP while suffix ‘–UA’ is a

Dwg. PH-003A

Pinning is shown viewed from branded side.

three-lead ultra-mini-SIP.

ABSOLUTE MAXIMUM RATINGS

at T = +25°C

FEATURES

I Superior Temperature Stability

I Operation From Unregulated Supply

I Open-Collector 25 mA Output

I Reverse Battery Protection

I Activate With Small, Commercially Available Permanent Magnets

I Solid-State Reliability

Supply Voltage, V_CC............................. 30 V

Reverse Battery Voltage, V_RCC.......... -30 V

Magnetic Flux Density, B .......... Unlimited

Output OFF Voltage, V_OUT.................. 30 V

Reverse Output Voltage, V_OUT........... -0.5 V

Continuous Output Current,

I_OUT............................................ 25 mA

Operating Temperature Range, T_A

I Small Size

I Resistant to Physical Stress

Suffix ‘E–’ .................. -40°C to +85°C

Suffix ‘L–’ ................ -40°C to +150°C

Storage Temperature Range,

T_S.............................. -65°C to +170°C

Always order by complete part number, e.g., A3134ELT .

12 3 4 5 6 7 8

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