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ACS724KMATR-20AB-T PDF预览

ACS724KMATR-20AB-T

更新时间： 2024-02-13 20:28:34
品牌 Logo 应用领域
急速微 - ALLEGRO 信息通信管理光电二极管
页数 文件大小 规格书
21页 944K
描述
Analog Circuit, 1 Func, BICMOS, PDSO16, SOIC-16

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ACS724KMATR-20AB-T 技术参数

是否Rohs认证： 符合生命周期：Active
包装说明：SOIC-16Reach Compliance Code：compliant
HTS代码：8542.39.00.01风险等级：5.56
Base Number Matches：1

ACS724KMATR-20AB-T 数据手册

 浏览型号ACS724KMATR-20AB-T的Datasheet PDF文件第2页浏览型号ACS724KMATR-20AB-T的Datasheet PDF文件第3页浏览型号ACS724KMATR-20AB-T的Datasheet PDF文件第4页浏览型号ACS724KMATR-20AB-T的Datasheet PDF文件第5页浏览型号ACS724KMATR-20AB-T的Datasheet PDF文件第6页浏览型号ACS724KMATR-20AB-T的Datasheet PDF文件第7页 
ACS724KMA  
High-Accuracy, Hall-Effect-Based Current Sensor IC with  
Common-Mode Field Rejection in High-Isolation SOIC16 Package  
DESCRIPTION  
FEATURES AND BENEFITS  
• Differential Hall sensing rejects common-mode fields  
• Patented integrated digital temperature compensation  
circuitry allows for near closed loop accuracy over  
temperature in an open loop sensor  
TheAllegro™ACS724KMAcurrentsensorICisaneconomical  
andprecisesolutionforACorDCcurrentsensinginindustrial,  
commercial, and communication systems. The small package  
is ideal for space-constrained applications while also saving  
costs due to reduced board area. Typical applications include  
motorcontrol,loaddetectionandmanagement,switched-mode  
power supplies, and overcurrent fault protection.  
• UL60950-1 (ed. 2) certified  
□ Dielectric Strength Voltage = 4.8 kVRMS  
□ Basic Isolation Working Voltage = 1097 VRMS  
□ Reinforced Isolation Working Voltage = 565 VRMS  
• Industry-leading noise performance with greatly improved  
bandwidth through proprietary amplifier and filter design  
techniques  
• Filter pin allows user to filter output for improved  
resolution at lower bandwidth  
• 0.85 mΩ primary conductor resistance for low power loss  
and high inrush current withstand capability  
• Low-profile SOIC16 package suitable for space-  
constrained applications  
The device consists of a precise, low-offset, linear Hall  
sensor circuit with a copper conduction path located near the  
surface of the die.Applied current flowing through this copper  
conduction path generates a magnetic field which is sensed  
by the integrated Hall IC and converted into a proportional  
voltage. The current is sensed differentially in order to reject  
common-mode fields, improving accuracy in magnetically  
noisyenvironments.Theinherentdeviceaccuracyisoptimized  
through the close proximity of the magnetic field to the Hall  
transducer. A precise, proportional voltage is provided by the  
low-offset,chopper-stabilizedBiCMOSHallIC,whichincludes  
Allegro’spatenteddigitaltemperaturecompensation,resulting  
inextremelyaccurateperformanceovertemperature.Theoutput  
of the device has a positive slope when an increasing current  
flows through the primary copper conduction path (from pins  
1 through 4, to pins 5 through 8), which is the path used for  
current sensing. The internal resistance of this conductive path  
is 0.85 mΩ typical, providing low power loss.  
• 4.5 to 5.5 V single supply operation  
• Output voltage proportional to AC or DC current  
Continued on the next page…  
TÜV America  
Certificate Number:  
U8V 14 11 54214 030  
CB Certificate Number:  
CB 14 11 54214 029  
US-22339-A1-UL  
The terminals of the conductive path are electrically isolated  
from the sensor leads (pins 9 through 16). This allows the  
ACS724KMAcurrentsensorICtobeusedinhigh-sidecurrent  
sense applications without the use of high-side differential  
amplifiers or other costly isolation techniques.  
Package: 16-pin SOICW (suffix MA)  
Continued on the next page…  
Not to scale  
16  
ACS724KMA NC  
1
2
3
The ACS724KMA outputs  
IP+  
IP+  
IP+  
IP+  
15  
an analog signal, VIOUT, that  
changes proportionally with  
GND  
NC  
+IP  
14  
4
the bidirectional AC or DC  
primary sensed current, IP,  
within the specified measure-  
ment range.  
13  
12  
11  
10  
9
FILTER  
IP  
VIOUT  
NC  
CF  
5
6
7
CL  
1 nF  
IP–  
IP–  
IP–  
IP–  
The FILTER pin can be used  
to decrease the bandwidth in  
order to optimize the noise  
performance.  
–IP  
VCC  
NC  
8
CBYPASS  
0.1 µF  
Typical Application  
ACS724KMA-DS, Rev. 8  
MCO-0000217  
June 22, 2018  
1234567...21

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