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21October2014/Version 3

LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice

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HO-P series

Electrical data I

At T

Parameter

Symbol

Unit

Min

Typ

Max

Comment

Primary nominal rms current

I

PN

A

25

Primary current, measuring range

I

PM

A

-62.5

62.5

Supply voltage

U

C

V

4.5

5

5.5

Current consumption

I

C

mA

19

25

Reference voltage

V

ref

V

2.475

2.5

2.525

Internal reference

External reference voltage

V

ref

V

0.5

2.65

Output voltage range @ I

PM

V

V

-2

2

Output voltage @ I

V

OUT

V

V

Electrical offset voltage

V

OE

mV

-10

10

Temperature coefficient of V

ref

TCV

ref

ppm/K

±160

-20 °C .. 85 °C

Internal reference

±190

-40 °C .. 105 °C

Internal reference

Temperature coefficient of V

OE

TCV

OE

mV/K

±0.075

Theoretical sensitivity

G

th

mV/A

32

800 mV/ I

Sensitivity error

ε

G

%

±0.85

Factory adjustement

Temperature coefficient of G

TCG

ppm/K

±250

Linearity error 0 .. I

PN

ε

L

% of I

PN

±0.5

@ U

Linearity error 0 .. I

PM

ε

L

% of I

PM

±0.8

@ U

Gain error with respect to U

%/%

±0.05

Gain error per U

Magnetic offset voltage

@ I

V

OM

mV

±7

Reaction time @ 10 % of I

PN

t

ra

µs

2

di/dt = I

Response time @ 90 % of I

PN

t

r

µs

3.5

di/dt = I

Frequency bandwidth (-3 dB)

BW

kHz

250

Output voltage noise (spectral density)

(DC .. 100 MHz)

e

no

µVrms/√Hz

10.5

Output voltage noise

(DC .. 20 MHz)

V

no

mVpp

30

Over-current detect

V

2.6

PN

2.9

PN

3.2

PN

peak value

Accuracy @ I

PN

X

% of I

PN

±1.35

ε

Accuracy @ I

X

% of I

PN

±3.42

Accuracy @ I

X

% of I

PN

±4.1