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Accurate current sensing ic Allegro ACS723LLCTR-45AB-T with digital temperature compensation and noise optimized design

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Accurate current sensing ic Allegro ACS723LLCTR-45AB-T with digital temperature compensation and noise optimized design

working temperature : -40℃~+150℃

Current Range : 45A

Voltage - Supply : 4.5V~5.5V

Sensitivity : 200mV/A

Description : 45A 200mV/A SOIC-8 Current Sensors RoHS

Mfr. Part # : ACS723LLCTR-45AB-T

Model Number : ACS723LLCTR-45AB-T

Package : SOIC-8

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Product Overview

The Allegro ACS723 current sensor IC is an economical and precise solution for AC or DC current sensing in industrial, 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 (0.65 m typical) that generates a magnetic field proportional to the applied current. This field is converted into a proportional voltage by the integrated Hall IC. The ACS723 offers patented digital temperature compensation for high accuracy over temperature, industry-leading noise performance with improved bandwidth, and pin-selectable bandwidth (80 kHz or 20 kHz). It provides galvanically isolated current sensing, enabling high-side current measurements without costly isolation techniques. Typical applications include motor control, load detection and management, switched-mode power supplies, and overcurrent fault protection.

Product Attributes

Brand: Allegro
Package Type: 8-pin SOIC (suffix LC)
Certifications: UL60950-1 (ed. 2) certified, TV America Certificate Number: U8V 18 02 54214 041, CB 14 11 54214 031, UL Certified File No.: US-32848-UL
Leadframe Material: 100% matte tin plating
Internal Construction: Pb-free (except for flip-chip high-temperature Pb-based solder balls)

Technical Specifications

Model	Primary Conductor Resistance (Typ.)	Sensitivity (Typ.) at VCC = 5 V	Current Sensing Range (IPR)	Operating Ambient Temperature (TA Range)	Supply Voltage (VCC)	Package Thermal Resistance (Junction to Ambient) (RJA)	Dielectric Strength Voltage (VISO)	Working Voltage for Basic Isolation (VWVBI)	Bandwidth (BW_SEL tied to GND)	Bandwidth (BW_SEL tied to VCC)
ACS723LLCTR-05AB-T	0.65 m	400 mV/A	5 A	40 to 150 C	4.5 to 5.5 V	23 C/W	2.4 kVrms	420 Vpk / 297 Vrms	80 kHz	20 kHz
ACS723LLCTR-10AB-T	0.65 m	200 mV/A	10 A	40 to 150 C	4.5 to 5.5 V	23 C/W	2.4 kVrms	420 Vpk / 297 Vrms	80 kHz	20 kHz
ACS723LLCTR-10AU-T	0.65 m	400 mV/A	0 10 A	40 to 150 C	4.5 to 5.5 V	23 C/W	2.4 kVrms	420 Vpk / 297 Vrms	80 kHz	20 kHz
ACS723LLCTR-20AB-T	0.65 m	100 mV/A	20 A	40 to 150 C	4.5 to 5.5 V	23 C/W	2.4 kVrms	420 Vpk / 297 Vrms	80 kHz	20 kHz
ACS723LLCTR-20AU-T	0.65 m	200 mV/A	0 20 A	40 to 150 C	4.5 to 5.5 V	23 C/W	2.4 kVrms	420 Vpk / 297 Vrms	80 kHz	20 kHz
ACS723LLCTR-40AB-T	0.65 m	50 mV/A	40 A	40 to 150 C	4.5 to 5.5 V	23 C/W	2.4 kVrms	420 Vpk / 297 Vrms	80 kHz	20 kHz
ACS723LLCTR-40AU-T	0.65 m	100 mV/A	0 40 A	40 to 150 C	4.5 to 5.5 V	23 C/W	2.4 kVrms	420 Vpk / 297 Vrms	80 kHz	20 kHz
ACS723LLCTR-50AB-T	0.65 m	40 mV/A	50 A	40 to 150 C	4.5 to 5.5 V	23 C/W	2.4 kVrms	420 Vpk / 297 Vrms	80 kHz	20 kHz

2304140030_ALLEGRO-ACS723LLCTR-45AB-T_C2155536.pdf

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