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11July2018/Version 1

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LES series

Electrical data LES 50-NP

At T

A = 25 °C, UC = +5 V, NP = 1 turn, RL = 10 kΩ internal reference, unless otherwise noted (see Definition of typical, minimum and

maximum values paragraph in page 18).

Parameter

Symbol

Unit

Min

Typ

Max

Comment

Primary nominal RMS current

I

P N

A

50

Apply derating according

to fig. 24

Primary current, measuring range

I

P M

A

−150

150

Number of primary turns

N

P

1, 2, 3

Supply voltage

U

C

V

4.75

5

5.25

Current consumption

I

C

mA

)

(

N

mA

I

S

P

18 +

)

(

N

mA

I

S

P

20.5 +

N

S = 1600 turns

Output voltage

V

out

V

0.25

4.75

with U

C = +5 V

Output voltage @ I

P = 0 A

V

out

V

2.5

Electrical offset voltage

V

O E

mV

−12.88

12.88

100 % tested V

out − 2.5 V

Electrical offset current

referred to primary

I

O E

mA

−1030

1030

100 % tested

Temperature coefficient of V

out

@ I

P = 0 A

TCV

out

ppm/K

±80

ppm/K of 2.5 V

−40 °C … 105 °C

Theoretical sensitivity

G

th

mV/A

12.5

625 mVI

P N

Sensitivity error

ε

G

%

−0.2

0.2

100 % tested

Temperature coefficient of G

TCG

ppm/K

±40

−40 °C … 105 °C

Linearity error

ε

L

% of I

P N

−0.1

0.1

Magnetic offset current (10 × I

P N)

referred to primary

I

O M

mA

−60

60

Output RMS voltage noise spectral

density 100 … 100 kHz referred to

primary

e

no

µV/Hz½

2.8

Output voltage noise

DC … 10 kHz

DC … 100 kHz

DC … 1 MHz

V

no

mVpp

2.7

3.5

6

Reaction time @ 10 % of I

P N

t

ra

µs

0.3

R

L = 1 kΩ, di/dt = 50 A/µs

Step response time to 90 %

of I

P N

t

r

µs

0.4

R

L = 1 kΩ, di/dt = 50 A/µs

Frequency bandwidth (±3 dB)

BW

kHz

300

R

L = 1 kΩ

Overall accuracy

X

G

% of I

P N

2.1

Overall accuracy @ T

A = 85 °C

(105 °C)

X

G

% of I

P N

3.2 (3.3)

Accuracy

X

% of I

P N

0.45

Accuracy @ T

A = 85 °C (105 °C)

X

% of I

P N

0.7 (0.75)