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Automotive qualified Allegro A1103LLHLT-T hall effect sensor with BiCMOS technology and low noise operation

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Automotive qualified Allegro A1103LLHLT-T hall effect sensor with BiCMOS technology and low noise operation

Operating Current : 4.1mA

Operating Temperature : -40℃~+150℃

Voltage - Supply : 3.8V~24V

Magnetic Field Range : ±35.5mT

Description : SOT-23W Switches (Solid State) RoHS

Mfr. Part # : A1103LLHLT-T

Model Number : A1103LLHLT-T

Package : SOT-23W

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Product Overview

The Allegro A1101-A1104 and A1106 Hall-effect switches are advanced BiCMOS technology devices designed as replacements for older Allegro 312x and 314x series. They offer fast power-on times, low-noise operation, and high switchpoint accuracy due to post-packaging programming. These switches integrate a voltage regulator, Hall-voltage generator, amplifier, Schmitt trigger, and NMOS output transistor on a single silicon chip. They are suitable for automotive and industrial motor commutation applications, providing robust protection with a 30 V absolute maximum voltage rating without external components. The family offers various magnetic switchpoint levels and is available in ultrasmall, lead-free packages with matte-tin plating.

Product Attributes

Brand: Allegro
Technology: BiCMOS
Certifications: AEC-Q100 automotive qualified
Package Types: SOT23W (LH), 3-pin SIP (UA)
Lead Finish: 100% matte-tin-plated leadframes
Environmental: Lead (Pb) free

Technical Specifications

Part Number	Mounting	Ambient Temp. (TA)	BRP (Min) (G)	BOP (Max) (G)	VCC (V)	Output Leakage (A)	Output On Voltage (mV)	Power-On Time (s)	Output Rise Time (ns)	Output Fall Time (ns)	Supply Current (mA)	Reverse Battery Current (mA)
A1101ELHLT-T	SOT23W surface mount	40C to 85C	10	175	3.8 - 24		215 400	4	400	400	4.1 - 7.5 (ON), 3.8 - 7.5 (OFF)	10
A1101LLHLT-T	SOT23W surface mount	40C to 150C	10	175	3.8 - 24		215 400	4	400	400	4.1 - 7.5 (ON), 3.8 - 7.5 (OFF)	10
A1101EUA-T	SIP through hole	40C to 85C	10	175	3.8 - 24		215 400	4	400	400	4.1 - 7.5 (ON), 3.8 - 7.5 (OFF)	10
A1101LUA-T	SIP through hole	40C to 150C	10	175	3.8 - 24		215 400	4	400	400	4.1 - 7.5 (ON), 3.8 - 7.5 (OFF)	10
A1102ELHLT-T	SOT23W surface mount	40C to 85C	60	245	3.8 - 24		215 400	4	400	400	4.1 - 7.5 (ON), 3.8 - 7.5 (OFF)	10
A1102LLHLT-T	SOT23W surface mount	40C to 150C	60	245	3.8 - 24		215 400	4	400	400	4.1 - 7.5 (ON), 3.8 - 7.5 (OFF)	10
A1102EUA-T	SIP through hole	40C to 85C	60	245	3.8 - 24		215 400	4	400	400	4.1 - 7.5 (ON), 3.8 - 7.5 (OFF)	10
A1102LUA-T	SIP through hole	40C to 150C	60	245	3.8 - 24		215 400	4	400	400	4.1 - 7.5 (ON), 3.8 - 7.5 (OFF)	10
A1103ELHLT-T	SOT23W surface mount	40C to 85C	150	355	3.8 - 24		215 400	4	400	400	4.1 - 7.5 (ON), 3.8 - 7.5 (OFF)	10
A1103LLHLT-T	SOT23W surface mount	40C to 150C	150	355	3.8 - 24		215 400	4	400	400	4.1 - 7.5 (ON), 3.8 - 7.5 (OFF)	10
A1103LUA-T	SIP through hole	40C to 150C	150	355	3.8 - 24		215 400	4	400	400	4.1 - 7.5 (ON), 3.8 - 7.5 (OFF)	10
A1104EUA-T	SIP through hole	40C to 85C	25	450	3.8 - 24		215 400	4	400	400	4.1 - 7.5 (ON), 3.8 - 7.5 (OFF)	10
A1104LLHLT-T	SOT23W surface mount	40C to 150C	25	450	3.8 - 24		215 400	4	400	400	4.1 - 7.5 (ON), 3.8 - 7.5 (OFF)	10
A1104LUA-T	SIP through hole	40C to 150C	25	450	3.8 - 24		215 400	4	400	400	4.1 - 7.5 (ON), 3.8 - 7.5 (OFF)	10
A1106EUA-T	SIP through hole	40C to 85C	160	430	3.8 - 24		215 400	4	400	400	4.1 - 7.5 (ON), 3.8 - 7.5 (OFF)	10
A1106LLHLT-T	SOT23W surface mount	40C to 150C	160	430	3.8 - 24		215 400	4	400	400	4.1 - 7.5 (ON), 3.8 - 7.5 (OFF)	10
A1106LUA-T	SIP through hole	40C to 150C	160	430	3.8 - 24		215 400	4	400	400	4.1 - 7.5 (ON), 3.8 - 7.5 (OFF)	10

2304140030_ALLEGRO-A1103LLHLT-T_C2655025.pdf

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