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HO60-P Datasheet, PDF (6/15 Pages) LEM – Current Transducer | |||
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HO 60 .. 250-P series
Electrical data HO 120-P-0100
At TA = 25 °C, UC = +5 V, RL = 10 k⦠unless otherwise noted (see Min, Max, typ. definition paragraph in page 13).
Parameter
Symbol
Unit
Min
Typ
Max
Comment
Primary nominal rms current
Primary current, measuring range
Number of primary turns
Supply voltage 1)
Current consumption
Reference voltage (output)
Reference voltage (input)
Output voltage range @ IPM
Vref output resistance
Vout output resistance
Allowed capacitive load
OCD output: On resistance
IPN
A
IPM
A
NP
-
UC
V
IC
mA
Vref
V
Vref
V
Vout â Vref
V
Rref
Ω
Rout
Ω
CL
nF
Ron
Ω
120
â300
1
300
@ UC ⥠4.6 V
See application information
4.5
5
5.5
19
25
2.48
2.5
2.52 Internal reference
0.5
2.65 External reference
â2
2
Over operating temperature range
130
200
300
Series
2
5
Series
0
6
70
95
150
Open drain, active low
Over operating temperature range
OCD output: Hold time
thold
ms
0.7
1
1.4
Additional time after threshold has
released
EEPROM control
Vout
mV
0
50
Vout forced to GND when EEPROM
in an error state 2)
Electrical offset voltage @ IP = 0 A
VOE
mV
â5
Electrical offset current
Referred to primary
IOE
A
â0.75
5
0.75
Vout â Vref @ Vref = 2.5 V
Temperature coefficient of Vref
Temperature coefficient of VOE
Offset drift referred to primary
@ IP = 0 A
Theoretical sensitivity
Sensitivity error @ IPN
TCVref
TCVOE
TCIOE
Gth
εG
ppm/K
mV/K
mA/K
mV/A
%
â170
â0.075
â11.25
â0.5
6.667
170
0.075
11.25
0.5
â40 °C ⦠105 °C
â40 °C ⦠105 °C
â40 °C ⦠105 °C
800 mV @ IPN
Factory adjustment
(straight bus-bar)
Temperature coefficient of G
TCG
ppm/K
â350
350 â40 °C ⦠105 °C
Linearity error 0 ⦠IPN
Linearity error 0 ⦠IPM
Magnetic offset current (@ 10 Ã IPN)
referred to primary
εL
% of IPN
â0.5
εL
% of IPM
â0.5
IOM
A
â0.92
0.5
0.5
0.92
One turn
Reaction time @ 10 % of IPN
Response time @ 90 % of IPN
Frequency bandwidth (â3 dB)
tra
µs
tr
µs
BW
kHz
2.5
@ 50 A/µs
3.5
@ 50 A/µs
100
Small signals
Output rms voltage noise (spectral
density)
eno
µV/â Hz
5.3
(100 Hz ⦠100 kHz)
Output voltage noise
(DC ⦠10 kHz)
(DC ⦠100 kHz)
(DC ⦠1 MHz)
Vno
mVpp
3.2
7.5
14.6
Over-current detect
A
2.64 à IPN 2.93 à IPN 3.22 à IPN Peak value ±10 %
Accuracy @ IPN
X
% of IPN
-1
1
Accuracy @ IPN @ TA = +105 °C
Accuracy @ IPN @ TA = +85 °C
X
% of IPN
-4.55
X
% of IPN
-3.66
4.55
3.66
See formula note 3)
See formula note 3)
Notes: 1) 3.3 V SP version available
2) EEPROM in an error state makes the transducer behave like a reverse current saturation. Use of the OCD may help to
differentiate the two cases
3)
Accuracy
@
X TA (%
of
IPN) =
X
+
(
TCG
10000
à (TA
â 25)
+
TCIOE
1000 Ã
I
P
Ã
100
Ã
(TA
â 25)).
16July2015/Version 5
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice
Page 6/15
www.lem.com
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