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Compact SOIC8 current sensor Allegro ACS724LLCTR-2P5AB-S designed for precise AC DC current detection

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Compact SOIC8 current sensor Allegro ACS724LLCTR-2P5AB-S designed for precise AC DC current detection

working temperature : -40℃~+150℃

Current Range : ±2.5A

Voltage - Supply : 5V

Current Terminal Resistance : 1.2mΩ

Band Width : 120kHz

Response Time (tr) : 4us

Sensitivity : 800mV/A

Bidirectional Current Detection : Support

Description : ±2.5A 800mV/A SOIC-8 Current Sensors RoHS

Mfr. Part # : ACS724LLCTR-2P5AB-S

Model Number : ACS724LLCTR-2P5AB-S

Package : SOIC-8

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Product Overview

The Allegro ACS724 current sensor IC is an economical and precise solution for AC or DC current sensing in industrial, automotive, commercial, and communications systems. Its small, low-profile SOIC8 package is ideal for space-constrained applications, reducing board area and costs. The device features a precise, low-offset, linear Hall sensor circuit with a low-resistance copper conduction path. Differential Hall sensing rejects common-mode fields for improved accuracy in noisy environments. The ACS724 offers a high-bandwidth analog output for fast response times and includes a filter pin for user-adjustable bandwidth and improved resolution. It is AEC-Q100 qualified and provides galvanically isolated current sensing.

Product Attributes

Brand: Allegro
Package: 8-Pin SOIC (LC)
Certifications: AEC-Q100 qualified, CB Certificate Number: US-32848-UL, TV America Certificate Number: U8V 18 02 54214 041 CB 14 11 54214 031
Leadframe plating: 100% matte tin
Solder bump options: Pb-free (tin-silver-based) or Pb-based

Technical Specifications

Characteristic	Symbol	Test Conditions	Min.	Typ.	Max.	Unit
Supply Voltage	VCC		4.5	5	5.5	V
Supply Current	ICC	VCC = 5 V, output open		10	14	mA
Primary Conductor Resistance	RIP	TA = 25C		1.2		m
Bandwidth	BW	Small signal 3 dB; CL = 1 nF		120		kHz
Dielectric Surge Strength Test Voltage	VSURGE	Tested 5 pulses at 2/minute in compliance to IEC 61000-4-5 1.2 s (rise) / 50 s (width).			6000	V
Dielectric Strength Test Voltage	VISO	Agency type-tested for 60 seconds per UL standard 60950-1 (edition 2); production-tested at VISO for 1 second, in accordance with UL 60950-1 (edition 2).			2400	VRMS
Working Voltage for Basic Isolation	VWVBI	Maximum approved working voltage for basic (single) isolation according to UL 60950-1 (edition 2)			420 Vpk or VDC / 297 Vrms
Clearance	Dcl	Minimum distance through air from IP leads to signal leads.		4.2		mm
Creepage	Dcr	Minimum distance along package body from IP leads to signal leads.		4.2		mm
Operating Ambient Temperature	TA Range	L	40		150	C
Junction Temperature (max)	TJ(max)				165	C
Storage Temperature	Tstg		65		165	C
Model Specific Performance (Example: ACS724LLCTR-2P5AB)
Current Sensing Range	IPR		2.5		2.5	A
Sensitivity	Sens	IPR(min) < IP < IPR(max)		800		mV/A
Zero-Current Output Voltage	VIOUT(Q)	Bidirectional, IP = 0 A		VCC 0.5		V
Total Output Error	ETOT	IP = IPR(max), TA = 25C to 150C	2.5	1.5	2.5	%
Total Output Error	ETOT	IP = IPR(max), TA = 40C to 25C	6.5	4.5	6.5	%
Sensitivity Error (Lifetime Drift)	Esens_drift		3	1	3	%
Total Output Error (Lifetime Drift)	Etot_drift		3	1	3	%

2412100958_ALLEGRO-ACS724LLCTR-2P5AB-S_C7503642.pdf

Compact SOIC8 current sensor Allegro ACS724LLCTR-2P5AB-S designed for precise AC DC current detection Images

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