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ACS713
Fully Integrated, Hall Effect-Based Linear Current Sensor IC
with 2.1 kVRMS Isolation and a Low-Resistance Current Conductor
Definitions of Dynamic Response Characteristics
Power-On Time (t PO ). When the supply is ramped to its operat-
ing voltage, the device requires a finite time to power its internal
components before responding to an input magnetic field.
Power-On Time, t PO , is defined as the time it takes for the output
voltage to settle within ±10% of its steady state value under an
applied magnetic field, after the power supply has reached its
minimum specified operating voltage, V CC (min), as shown in the
chart at right.
Rise time (t r ). The time interval between a) when the device
reaches 10% of its full scale value, and b) when it reaches 90%
of its full scale value. The rise time to a step response is used to
I (%)
90
Primary Current
derive the bandwidth of the device, in which ?(–3 dB) = 0.35 / t r .
Both t r and t RESPONSE are detrimentally affected by eddy current
losses observed in the conductive IC ground plane.
10
0
Transducer Output
Rise Time, t r
t
Noise vs. Filter Cap
200
180
160
140
120
100
80
60
40
20
0
1200
1000
800
600
400
200
0
0
Power on Time versus External Filter Capacitance
I P = 5 A
I P = 0 A
10 20 30 40
C F (nF)
Rise Time versus External Filter Capacitance
Expanded in chart at right
50
C F (nF)
Open
1
4.7
22
47
100
220
470
t r ( μ s)
3.5
5.8
17.5
73.5
88.2
291.3
623
1120
10000
1000
100
10
1
0.01
180
160
140
120
100
80
60
40
20
0
Noise versus External Filter Capacitance
0.1 1 10 100
C F (nF)
Rise Time versus External Filter Capacitance
1000
0.1
1
10
100
1000
0.1
1
10
100
C F (nF)
C F (nF)
Allegro MicroSystems, LLC
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
9
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相关代理商/技术参数
ACS713ELCTR-20A-T 制造商:Allegro MicroSystems 功能描述:Hall Effect-Based Linear Current Sensor
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ACS713ELCTR-30A-T 制造商:Allegro MicroSystems 功能描述:Hall Effect-Based Linear Current Sensor
ACS714 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:Automotive Grade, Fully Integrated, Hall Effect-Based Linear Current Sensor with 2.1 kVRMS Voltage Isolation and a Low-Resistance Current Conductor
ACS714_13 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:Automotive Grade, Fully Integrated, Hall Effect-Based Linear Current Sensor IC with 2.1 kVRMS Voltage Isolation and a Low-Resistance Current Conductor
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ACS714ELCTR-20A 制造商:Allegro MicroSystems LLC 功能描述:
ACS714ELCTR-20A-T 功能描述:SENSOR CURRENT 20A 5V BI 8-SOIC RoHS:是 类别:传感器，转换器 >> 电流 系列:- 标准包装:10 系列:*