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ACS755CCB-150-PSS

更新时间： 2022-11-26 12:14:47

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ACS755CCB-150-PSS 数据手册

Current Sensor: ACS755xCB-150

Deﬁnitions of Dynamic Response Characteristics

Propagation delay (t_PROP): The time required for the sensor output to reﬂect a change in the primary current

signal. Propagation delay is attributed to inductive loading within the linear IC package, as well as in the induc-

tive loop formed by the primary conductor geometry. Propagation delay can be considered as a ﬁxed time offset

and may be compensated.

Primary Current

I (%)

Transducer Output

Propagation Time, t_PROP

Response time (t_RESPONSE): The time interval between a) when the primary current signal reaches 90% of its

ﬁnal value, and b) when the sensor reaches 90% of its output corresponding to the applied current.

Primary Current

I (%)

Transducer Output

Response Time, t

RESPONSE

Rise time (t_r): The time interval between a) when the sensor 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 derive the bandwidth of the

current sensor, in which ƒ(–3 dB) = 0.35/t_r. Both t_rand t_RESPONSEare detrimentally affected by eddy current

losses observed in the conductive IC ground plane and, to varying degrees, in the ferrous ﬂux concentrator

within the current sensor package.

Primary Current

I (%)

Transducer Output

Rise Time, t

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

ACS755150-DS, Rev. 2

1...4 5 678 9

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