Datasheet > ACS712_07

ACS712_07

更新时间： 2024-09-23 04:03:31

品牌	Logo	应用领域
急速微 - ALLEGRO		传感器
页数	文件大小	规格书
14页	679K
描述
Fully Integrated, Hall Effect-Based Linear Current Sensor with 2.1 kVRMS Voltage Isolation and a Low-Resistance Current Conductor

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ACS712_07 数据手册

ACS712

Fully Integrated, Hall Effect-Based Linear Current Sensor

with 2.1 kVRMS Voltage Isolation and a Low-Resistance Current Conductor

Features and Benefits

Description

The Allegro^®ACS712 provides economical and precise

solutions for AC or DC current sensing in industrial,

commercial, and communications systems. The device

package allows for easy implementation by the customer.

Typical applications include motor control, load detection and

management, switched-mode power supplies, and overcurrent

fault protection.

▪

Low-noise analog signal path

Device bandwidth is set via the new FILTER pin

5 μs output rise time in response to step input current

80 kHz bandwidth

Total output error 1.5% at T_A= 25°C

Small footprint, low-profile SOIC8 package

1.2 mΩ internal conductor resistance

2.1 kV_RMSminimum isolation voltage from pins 1-4 to pins 5-8

5.0 V, single supply operation

66 to 185 mV/A output sensitivity

Output voltage proportional to AC or DC currents

Factory-trimmed for accuracy

Extremely stable output offset voltage

Nearly zero magnetic hysteresis

Ratiometric output from supply voltage

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. Device accuracy is optimized through the close

proximity of the magnetic signal to the Hall transducer. A

precise, proportional voltage is provided by the low-offset,

chopper-stabilized BiCMOS Hall IC, which is programmed

for accuracy after packaging.

TÜV America

Certificate Number:

U8V 06 05 54214 010

The output of the device has a positive slope (>V_IOUT(Q)

)

Package: 8 Lead SOIC (suffix LC)

when an increasing current flows through the primary copper

conduction path (from pins 1 and 2, to pins 3 and 4), which

is the path used for current sensing. The internal resistance of

this conductive path is 1.2 mΩ typical, providing low power

Continued on the next page…

Approximate Scale 1:1

Typical Application

+5 V

VCC

IP+

V_OUT

VIOUT

0.^B1^YPμF

I_P

ACS712

FILTER

IP–

1^FnF

GND

Application 1. The ACS712 outputs an analog signal, V_OUT

that varies linearly with the uni- or bi-directional AC or DC

primary sensed current, I_P, within the range specified. C_F

is recommended for noise management, with values that

depend on the application.

ACS712-DS, Rev. 6

12 3 4 5 6 7...14

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与ACS712_07相关器件

型号	品牌	获取价格	描述	数据表
ACS712_V13	ALLEGRO	获取价格	Fully Integrated, Hall Effect-Based Linear Current Sensor IC
ACS71240	ALLEGRO	获取价格	Automotive-Grade, Galvanically Isolated Current Sensor IC with Common-Mode Field Rejection
ACS71240KEXBLT-010B3	ALLEGRO	获取价格	Sensor/Transducer,
ACS71240KEXBLT-010B3-115	ALLEGRO	获取价格	Sensor/Transducer,
ACS71240KEXBLT-010B5-115	ALLEGRO	获取价格	Automotive-Grade, Galvanically Isolated Current Sensor IC with Common-Mode Field Rejection
ACS71240KEXBLT-010U3-115	ALLEGRO	获取价格	Automotive-Grade, Galvanically Isolated Current Sensor IC with Common-Mode Field Rejection
ACS71240KEXBLT-010U5-115	ALLEGRO	获取价格	Automotive-Grade, Galvanically Isolated Current Sensor IC with Common-Mode Field Rejection
ACS71240KEXBLT-030B3	ALLEGRO	获取价格	Sensor/Transducer,
ACS71240KEXBLT-050U5	ALLEGRO	获取价格	Sensor/Transducer,
ACS71240KEXBTR-010B3-115	ALLEGRO	获取价格	Automotive-Grade, Galvanically Isolated Current Sensor IC with Common-Mode Field Rejection

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