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Linear Hall Sensor Allegro A1326LLHLT-T for Precise Angular Position Displacement and Current Sensing

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Linear Hall Sensor Allegro A1326LLHLT-T for Precise Angular Position Displacement and Current Sensing

Sensitivity : 2.5mV/Gs

Operating Temperature : -40℃~+150℃

Voltage - Supply : 4.5V~5.5V

Sensitivity Temperature Bleaching : ±0%/℃

Description : SOT-23W Linear, Compass (ICs) RoHS

Mfr. Part # : A1326LLHLT-T

Model Number : A1326LLHLT-T

Package : SOT-23W

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Product Overview

The Allegro A1324, A1325, and A1326 are linear Hall-effect sensor ICs designed for high-accuracy applications such as displacement, angular position, and current measurement. These temperature-stable devices offer a voltage output proportional to the applied magnetic field, with a quiescent voltage output at 50% of the supply voltage. Available in miniature surface mount (SOT23W) and ultra-mini through-hole (SIP) packages, they are ideal for automotive and industrial applications requiring operation over an extended temperature range of 40C to 150C. Each monolithic circuit integrates a Hall element, temperature-compensating circuitry, a high-gain amplifier, a clamped output stage, and a dynamic offset cancellation technique for enhanced reliability and accuracy.

Product Attributes

Brand: Allegro
Lead Free: Yes (Pb free)
Leadframe Plating: 100% matte tin

Technical Specifications

Model	Sensitivity (Typ.) (mV/G)	Package Type	Package Dimensions (mm)	Operating Temperature Range (C)
A1324	5.000	3-pin SOT-23W (LH)	2 x 3 x 1	40 to 150
A1324	5.000	3-pin ultramini SIP (UA)	1.5 x 4 x 3
A1325	3.125	3-pin SOT-23W (LH)	2 x 3 x 1
A1325	3.125	3-pin ultramini SIP (UA)	1.5 x 4 x 3
A1326	2.500	3-pin SOT-23W (LH)	2 x 3 x 1
A1326	2.500	3-pin ultramini SIP (UA)	1.5 x 4 x 3
Electrical Characteristics (Typical at VCC = 5V)
Supply Voltage (VCC)	4.5 to 5.5 V
Supply Current (ICC)	6.9 mA (No load on VOUT)
Quiescent Voltage Output (VOUT(Q))	2.500 V (B = 0 G, TA = 25C)
Output Referred Noise (VN) - A1324	7.0 mV(p-p) (TA = 25C)
Output Referred Noise (VN) - A1325	4.4 mV(p-p) (TA = 25C)
Output Referred Noise (VN) - A1326	3.5 mV(p-p) (TA = 25C)
Internal Bandwidth (BWi)	17 kHz (Small signal, 3 dB)
Chopping Frequency (fC)	400 kHz (TA = 25C)
Sensitivity Temperature Coefficient (TCSens) - LH Package	0 %/C (Programmed at 150C)
Sensitivity Temperature Coefficient (TCSens) - UA Package	0.03 %/C (Programmed at 150C)
Sensitivity Drift at Max Ambient (Sens(TAmax)) - LH Package	5 % (From hot to room temp)
Sensitivity Drift at Max Ambient (Sens(TAmax)) - UA Package	2.5 to 7.5 % (From hot to room temp)
Sensitivity Drift at Min Ambient (Sens(TAmin)) - LH Package	3.5 to 8.5 % (From cold to room temp)
Sensitivity Drift at Min Ambient (Sens(TAmin)) - UA Package	6 to 4 % (From cold to room temp)
Quiescent Voltage Output Drift Through Temp Range (VOUT(Q))	10 to 10 G
Linearity Sensitivity Error (LinERR)	1.5 to 1.5 %
Symmetry Sensitivity Error (SymERR)	1.5 to 1.5 %
Ratiometry Quiescent Voltage Output Error (RatVOUT(Q))	1.3 to 1.3 %
Ratiometry Sensitivity Error (RatSens)	1.5 to 1.5 %
Sensitivity Drift Due to Package Hysteresis (SensPKG)	2 %

2304140030_ALLEGRO-A1326LLHLT-T_C150817.pdf

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Linear Hall Sensor Allegro A1326LLHLT-T for Precise Angular Position Displacement and Current Sensing Images

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