供应A3144EUA-T

品牌：
ALLEGRO
型号：
A3144EUA-T

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相关产品

产品信息

A3141, A3142, A3143, A3144

Sensitive Hall-Effect Switches, High-Temperature

The A3141, A3142, A3143, and A3144 have been phased out of production as of October 31, 2005, and has been replaced by the A1101, A1102, A1103, and A1104 next-generation continuous-time unipolar switches.

For samples and information on the replacement part, please refer to the A110x family.

Replacement Device Characteristics Table

Device		A110x Characteristics
Device		BOP		BRP		Hys
Legacy	Replacement	Min	Max	Min	Max	Min	Max
A3141	A1101	30	175	10	145	20	80
A3142	A1102	115	245	60	190	30	80
A3143	A1103	205	355	150	300	30	80
A3144	A1104	35	450	25	430	20	-
A3121	A1106	260	430	160	330	70	140

Features

Superior Temp. Stability for Automotive or Industrial Applications
4.5 V to 24 V Operation ... Needs Only An Unregulated Supply
Open-Collector 25 mA Output ... Compatible with Digital Logic
Reverse Battery Protection
Activate with Small, Commercially Available Permanent Magnets
Solid-State Reliability
Small Size
Resistant to Physical Stress

Description

These Hall-effect switches are monolithic integrated circuits with tighter magnetic specifications, designed to operate continuously over extended temperatures to +150°C, and are more stable with both temperature and supply voltage changes. The unipolar switching characteristic makes these devices ideal for use with a simple bar or rod magnet. The four basic devices (3141, 3142, 3143, and 3144) are identical except for magnetic switch points.

Each device includes a voltage regulator for operation with supply voltages of 4.5 to 24 volts, reverse-battery protection diode, quadratic Hall-voltage generator, temperature compensation circuitry, small- signal amplifier, Schmitt trigger, and an open-collector output to sink up to 25 mA. With suitable output pull up, they can be used with bipolar or CMOS logic circuits. The A3141- and A3142- are improved replacements for the UGN/UGS3140-; the A3144- is the improved replacement for the UGN/UGS3120-.

Functional Block Diagram

Complete Part Numbers
Part Number	Package Type	RoHS	Temperature
Part Number	Package Type	Compliant	Temperature
A3141ELT	3-lead SOT	No	-40 °C to 85 °C
A3141ELTTR	3-lead SOT	No	-40 °C to 85 °C
A3141EUA	3-pin SIP	No	-40 °C to 85 °C
A3141LLT	3-lead SOT	No	-40 °C to 150 °C
A3141LLTTR	3-lead SOT	No	-40 °C to 150 °C
A3141LUA	3-pin SIP	No	-40 °C to 150 °C
A3142ELT	3-lead SOT	No	-40 °C to 85 °C
A3142ELTTR	3-lead SOT	No	-40 °C to 85 °C
A3142EUA	3-pin SIP	No	-40 °C to 85 °C
A3142LLT	3-lead SOT	No	-40 °C to 150 °C
A3142LLTTR	3-lead SOT	No	-40 °C to 150 °C
A3142LUA	3-pin SIP	No	-40 °C to 150 °C
A3143ELT	3-lead SOT	No	-40 °C to 85 °C
A3143ELTTR	3-lead SOT	No	-40 °C to 85 °C
A3143EUA	3-pin SIP	No	-40 °C to 85 °C
A3143LLT	3-lead SOT	No	-40 °C to 150 °C
A3143LLTTR	3-lead SOT	No	-40 °C to 150 °C
A3143LUA	3-pin SIP	No	-40 °C to 150 °C
A3144ELT	3-lead SOT	No	-40 °C to 85 °C
A3144ELTTR	3-lead SOT	No	-40 °C to 85 °C
A3144EUA	3-pin SIP	No	-40 °C to 85 °C
A3144LLT	3-lead SOT	No	-40 °C to 150 °C
A3144LLTTR	3-lead SOT	No	-40 °C to 150 °C
A3144LUA	3-pin SIP	No	-40 °C to 150 °C

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