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| HO-NP-0000 Datasheet, PDF (6/16 Pages) LEM – Current Transducer | |||
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HO-NP-0000 SERIES
Electrical data IPN = 25 A
At TA = 25°C, UC = + 5 V, NP = 1 turn, RL = 10 K⦠unless otherwise noted (see Min, Max, typ. definition paragraph in page 12).
Parameter
Symbol
Unit
Min
Typ
Max
Comment
Primary nominal rms current
Primary current, measuring range
Number of primary turns
Supply voltage
IPN
A
25
IPM
A
-62.5
62.5
NP
1,2,3
UC
V
4.5
5
5.5
Current consumption
IC
mA
19
25
Reference voltage
External reference voltage
Output voltage range @ IPM
Output voltage @ IP = 0 A
Electrical offset voltage
Temperature coefficient of Vref
Vref
Vref
Vout - Vref
Vout
VOE
TCVref
V
V
V
V
mV
ppm/K
2.475
0.5
-2
-5
2.5
Vref + VOE
2.525
2.65
2
Internal reference
5
±160
±190
-20°C .. 85 °C
Internal reference
-40°C .. 105 °C
Internal reference
Temperature coefficient of VOE
Theoretical sensitivity
Sensitivity error
Temperature coefficient of G
TCVOE
Gth
εG
TCG
mV/K
mV/A
% of IPN
ppm/K
±0.075
32
800 mV/ IPN @ UC = 5 V
±0.5 Factory adjustment
±200
Linearity error 0 .. IPN
Linearity error 0 .. IPM
Gain error with respect to UC ± 10 %
Magnetic offset voltage
@ IP = 0 after 2.5 x IPN
Reaction time @ 10 % of IPN
Response time @ 90 % of IPN
Frequency bandwidth (- 3 dB)
εL
% of IPN
εL
% of IPM
%/%
VOM
mV
tra
µs
tr
µs
BW
kHz
±0.5
±0.8
±0.05
±6
@ UC = 5 V
@ UC = 5 V
Gain error per UC drift
2
di/dt = IPN/µs
3.5 di/dt = IPN/µs
250
Output rms voltage noise (spectral density)
(DC .. 100 MHz)
eno
µV/âHz
10.5
Output voltage noise
(DC .. 20 MHz)
Vno
mVpp
30
Standby pin â0â level
V
0.3
Standby pin â1â level
Time to switch from standby to normal mode
V
UC -0.3
µs
20
Over-current detect
Accuracy @ IPN
Accuracy @ IPN @ TA = + 85 °C
Accuracy @ IPN @ TA = + 105 °C
V
2.6 x IPN 2.9 x IPN 3.2 x IPN peak value
X
% of IPN
±1
= εG + εL
X
% of IPN
±2.8 See formula note 1)
X
% of IPN
±3.4 See formula note 1)
Note: 1) Accuracy @ IP and X TA = ± [X + (TCG/10000) · (TA - 25) + TCVOE · 100 · (TA -25) / (Gth · IP)].
18February2014/Version 3 LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice
Page 6/16
www.lem.com
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