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Linear Hall Effect Current Sensor IC Allegro A1366LKTTG-1-T with Temperature Compensation and Safety Features

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Linear Hall Effect Current Sensor IC Allegro A1366LKTTG-1-T with Temperature Compensation and Safety Features

Description : SIP-4 Linear, Compass (ICs) RoHS

Mfr. Part # : A1366LKTTG-1-T

Model Number : A1366LKTTG-1-T

Package : SIP-4

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Product Overview

The Allegro A1366 is a factory-programmable linear Hall-effect current sensor IC designed for high accuracy and resolution in current sensing applications. It features proprietary linearly interpolated temperature compensation technology, ensuring virtually flat sensitivity and offset across its operating temperature range. This IC is ideal for demanding applications such as HEV inverters, DC-to-DC converters, and electric power steering (EPS). With a ratiometric voltage output proportional to the magnetic field, it offers industry-leading sensing resolution at a 120 kHz bandwidth, enhanced by advanced noise reduction and dynamic offset cancellation techniques. Built-in broken ground wire detection and undervoltage lockout contribute to its high reliability in automotive environments.

Product Attributes

Brand: Allegro
Package Type: 4-pin SIP (suffix KT)
Leadform Options: TN (Straight), TH
Material: Lead (Pb) free, 100% matte tin leadframe plating
Certifications: AEC-Q100 automotive qualified

Technical Specifications

Characteristic	Symbol	Test Conditions	Min.	Typ.	Max.	Unit
Supply Voltage	VCC		4.5	5.0	5.5	V
Supply Current	ICC	No load on VOUT		10	15	mA
Internal Bandwidth	BWi	Small signal 3 dB, CL = 1 nF, TA = 25C		120		kHz
Propagation Delay Time	tPD	TA = 25C, magnetic field step of 320 G, CL = 1 nF, Sens = 2.5 mV/G		2.2		s
Rise Time	tR	TA = 25C, magnetic field step of 320 G, CL = 1 nF, Sens = 2.5 mV/G		3.6		s
Response Time	tRESPONSE	TA = 25C, magnetic field step of 320 G, CL = 1 nF, Sens = 2.5 mV/G		3.7		s
Output Saturation Voltage (HIGH)	VSAT(HIGH)	TA = 25C, RL(PULLDWN) = 10 k to GND	4.7			V
Output Saturation Voltage (LOW)	VSAT(LOW)	TA = 25C, RL(PULLUP) = 10 k to VCC			400	mV
Broken Wire Voltage (HIGH)	VBRK(HIGH)	TA = 25C, RL(PULLUP) = 10 k to VCC		VCC		V
Broken Wire Voltage (LOW)	VBRK(LOW)	TA = 25C, RL(PULLDWN) = 10 k to GND		100		mV
Noise	BN	TA = 25C, CL = 1 nF, Bandwidth = BWi		1.1		mGRMS/(Hz)
Operating Ambient Temperature	TA		40		150	C
Storage Temperature	Tstg		65		165	C
Package Thermal Resistance	RJA	On 1-layer PCB with exposed copper limited to solder pads		174		C/W
Model	Leadform	Package	Sensitivity (Typ.)	Packing
A1366LKTTN-1-T	TN (Straight)	4-pin SIP	1 mV/G	4000 pieces per 13-inch reel
A1366LKTTN-2-T	TN (Straight)	4-pin SIP	2.5 mV/G	4000 pieces per 13-inch reel
A1366LKTTN-5-T	TN (Straight)	4-pin SIP	5 mV/G	4000 pieces per 13-inch reel
A1366LKTTN-10-T	TN (Straight)	4-pin SIP	10 mV/G	4000 pieces per 13-inch reel

2401220948_ALLEGRO-A1366LKTTG-1-T_C19761418.pdf

Linear Hall Effect Current Sensor IC Allegro A1366LKTTG-1-T with Temperature Compensation and Safety Features Images

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