HO60-P Datasheet, PDF (8/15 Pages) LEM – Current Transducer

HO 60 .. 250-P series
Electrical data HO 240-P-0100
At T_A = 25 °C, U_C = +5 V, R_L = 10 kΩ 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 @ I_PM
V_ref output resistance
V_out output resistance
Allowed capacitive load
OCD output: On resistance
I_PN
A
I_PM
A
N_P
-
U_C
V
I_C
mA
V_ref
V
V_ref
V
V_out − V_ref
V
R_ref
Ω
R_out
Ω
C_L
nF
R_on
Ω
240
−600
1
600
@ U_C ≥ 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
−2
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
t_hold
ms
0.7
1
1.4
Additional time after threshold has
released
EEPROM control
V_out
mV
0
50
V_out forced to GND when EEPROM
in an error state ²⁾
Electrical offset voltage @ I_P = 0 A
V_OE
mV
−5
Electrical offset current
Referred to primary
I_OE
A
−1.5
5
V_out − V_ref @ V_ref = 2.5 V
1.5
Temperature coefficient of V_ref
Temperature coefficient of V_OE
Offset drift referred to primary
@ I_P = 0 A
Theoretical sensitivity
Sensitivity error @ I_PN
TCV_ref
TCV_OE
TCI_OE
G_th
ε_G
ppm/K
mV/K
mA/K
mV/A
%
−170
−0.075
−22.5
−0.5
3.333
170
0.075
22.5
0.5
−40 °C … 105 °C
−40 °C … 105 °C
−40 °C … 105 °C
800 mV @ I_PN
Factory adjustment
(straight bus-bar)
Temperature coefficient of G
TCG
ppm/K
−350
350 −40 °C … 105 °C
Linearity error 0 … I_PN
Linearity error 0 … I_PM
Magnetic offset current (@ 10 × I_PN)
referred to primary
ε_L
% of I_PN
−0.5
ε_L
% of I_PM
−0.5
I_OM
A
−0.92
0.5
0.5
0.92
One turn
Reaction time @ 10 % of I_PN
Response time @ 90 % of I_PN
Frequency bandwidth (−3 dB)
t_ra
µs
t_r
µs
BW
kHz
2.5
@ 50 A/µs
3.5
@ 50 A/µs
100
Small signals
Output rms voltage noise (spectral
density)
e_no
µV/√ Hz
3.5
(100 Hz … 100 kHz)
Output voltage noise
(DC … 10 kHz)
(DC … 100 kHz)
(DC … 1 MHz)
V_no
mVpp
2.5
5
8.7
Over-current detect
Accuracy @ I_PN
Accuracy @ I_PN @ T_A = +105 °C
Accuracy @ I_PN @ T_A = +85 °C
A
2.64 × I_PN 2.93 × I_PN 3.22 × I_PN Peak value ±10 %
X
% of I_PN
−1
1
X
% of I_PN
−4.55
4.55 See formula note ³⁾
X
% of I_PN
−3.66
3.66 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
I_PN) =
X
+
(
TCG
10000
× (T_A
–
25)
+ ^TCIOE
1000 ×
I_P
×
100
×
(T_A
–
25)).
16July2015/Version 5
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice
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