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| HO-P-SP33 Datasheet, PDF (6/11 Pages) LEM – Current Transducer | |||
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HO-P/SP33 SERIES
Electrical data IPN = 25 A
At TA = 25°C, UC = + 3.3 V, NP = 1 turn, RL = 10 K⦠unless otherwise noted (see Min, Max, typ. definition paragraph in page 6).
Parameter
Symbol
Unit
Min
Typ
Max
Comment
Primary nominal rms current
IPN
A
25
Primary current, measuring range
IPM
A
-62.5
62.5
Number of primary turns
NP
1,2,3
Supply voltage
UC
V
3.14
3.3
3.46
Current consumption
IC
mA
25
Reference voltage
External reference voltage
Output voltage range @ IPM
Vref
V
1.636
1.65
1.664 Internal reference
0.5
Vref
V
0.5
1.85
1.7
@ UC = 3.3 â 3.46 V
@ UC = 3.14 â 3.3 V
Vout - Vref
V
-1.15
1.15
Output voltage @ IP = 0 A
Vout
V
Vref + VOE
Electrical offset voltage
Temperature coefficient of Vref
VOE
mV
-6
TCVref
ppm/K
6
±170
±190
-20 °C .. 85 °C
Internal reference
-40 °C .. 105 °C
Internal reference
Temperature coefficient of VOE
TCVOE
mV/K
±0.075 -40 °C .. 105 °C
Theoretical sensitivity
Gth
mV/A
18.4
460 mV/ IPN @ UC = 3.3 V
Sensitivity error
εG
% of IPN
±0.85 Factory adjustement
Temperature coefficient of G
TCG
ppm/K
±250
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)
Output rms voltage noise (spectral density)
(DC .. 100 MHz)
Output voltage noise
(DC .. 20 MHz)
Over-current detect
Accuracy @ IPN
Accuracy @ IPN @ TA = + 85°C
Accuracy @ IPN @ TA = + 105°C
εL
% of IPN
εL
% of IPM
%/%
VOM
mV
tra
µs
tr
µs
BW
kHz
±0.5
±0.8
±0.4
±4
@ UC = 3.3 V
@ UC = 3.3 V
Gain error per UC drift
2
di/dt = IPN/µs
3.5
di/dt = IPN/µs
250
eno
µV/âHz
6.13
Vno
mVpp
20
V
2.6 x IPN
2.9 x IPN
3.2 x IPN peak value
X
% of IPN
±1.35 εG + εL
X
% of IPN
±3.83 See formula note 1)
X
% of IPN
±4.66 See formula note 1)
Note: 1) Accuracy @ IP and XTA = ± [X + (TCG/10000) · (TA - 25) + TCVOE · 100 · (TA -25) / (Gth · IP)].
12February2014/Version 1
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice
Page 6/11
www.lem.com
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