Datasheet > ACS70331EESATR-005U3

ACS70331EESATR-005U3

更新时间： 2024-02-22 21:23:10

品牌	Logo	应用领域
急速微 - ALLEGRO		/
页数	文件大小	规格书
26页	1590K
描述
High Sensitivity, 1 MHz, GMR-Based Current Sensor IC in Space-Saving, Low Resistance QFN and SOIC-8 Packages

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ACS70331EESATR-005U3 技术参数

是否Rohs认证：	符合	生命周期：	Active
包装说明：	,	Reach Compliance Code：	compliant
风险等级：	1.55	模拟集成电路 - 其他类型：	ANALOG CIRCUIT
峰值回流温度（摄氏度）：	NOT SPECIFIED	处于峰值回流温度下的最长时间：	NOT SPECIFIED
Base Number Matches：	1

ACS70331EESATR-005U3 数据手册

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ACS70331

High Sensitivity, 1 MHz, GMR-Based Current Sensor IC

in Space-Saving, Low Resistance QFN and SOIC-8 Packages

FEATURES AND BENEFITS

DESCRIPTION

• High sensitivity current sensor IC for sensing

up to 5 A (DC or AC)

• 1 MHz bandwidth with response time <550 ns

• Low noise: 8 mA(rms) at 1 MHz

• Non-ratiometric, analog output proportional to AC and

DC current

The ACS70331 is Allegro’s first integrated, high sensitivity,

current sensor IC for <5 A current sensing applications. It

incorporates giant magneto-resistive (GMR) technology that

is 25 times more sensitive than traditional Hall-effect sensors

to sense the magnetic field generated by the current flowing

through the low resistance, integrated primary conductor.

• Single 3.3 V supply operation

The analog output provides a low noise high-speed signal,

which is proportional to the current flowing through the

primary. The response time of the part is typically 535 ns. The

ACS70331 is offered in four factory-programmed sensitivity

and offset levels to optimize performance over the desired

current measurement range.

• High DC PSRR enables use with low accuracy

power supplies or batteries (3 to 4.5 V operation)

• 1.1 mΩ primary conductor resistance results in

low power loss

• Small surface mount QFN-12 and SOIC-8 packages for

space-constrained applications

ThedifferentialconfigurationoftheGMRelements,relativeto

theintegratedcurrentconductor, providessignificantrejection

of stray magnetic fields, resulting in stable operation even in

magnetically noisy environments.

PACKAGES

The ACS70331 operates from a single 3.3 V power supply

and is qualified over the full commercial temperature range

of –40°C to 85°C. It is offered in a low-profile, space-saving

surface mount QFN-12 and SOIC-8 packages.

12-contact QFN

3 mm × 3 mm × 0.75 mm

(ES package)

8-contact SOIC

(OL package)

Not to scale

TYPICAL APPLICATION

C_BYPASS

0.1 µF

IP+

VCC

VCC NC

C_BYPASS

0.1 µF

VIOUT

IP+

C_LOAD

IP+

IP-

VIOUT

IP+

ACS70331

IP–

GND

QFN-12

SOIC-8

The output, VIOUT, of the ACS70331 responds

proportionally to the current ﬂowing through IP.

ACS70331-DS, Rev. 2

MCO-0000343

May 23, 2018

12 3 4 5 6 7...26

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型号	品牌	描述	获取价格	数据表
ACS70331EESATR-2P5B3	ALLEGRO	High Sensitivity, 1 MHz, GMR-Based Current Sensor IC in Space-Saving, Low Resistance QFN a	获取价格
ACS70331EESATR-2P5U3	ALLEGRO	Analog Circuit,	获取价格
ACS70331EOLCTR-005B3	ALLEGRO	Analog Circuit,	获取价格
ACS70331EOLCTR-005U3	ALLEGRO	High Sensitivity, 1 MHz, GMR-Based Current Sensor IC in Space-Saving, Low Resistance QFN a	获取价格
ACS70331EOLCTR-2P5B3	ALLEGRO	Analog Circuit,	获取价格
ACS70331EOLCTR-2P5U3	ALLEGRO	Analog Circuit,	获取价格

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