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sames

SA2002E

http://www.sames.co.za

PIN DESCRIPTION

8

Pin

14

Pin

16

Pin

20

Pin

Designation

Description

8

14

16

20

GND

Analog Ground. The voltage to this pin should be mid-way

between V

and V .

DD

SS

4

55

8

V

DD

Positive supply voltage. The voltage to this pin is typically +2.5V

if a shunt resistor is used for current sensing or in the case of a

current transformer a +5V supply can be applied.

6

10

12

14

V

SS

Negative supply voltage. The voltage to this pin is typically -2.5V

if a shunt resistor is used for current sensing or in the case of a

current transformer a 0V supply can be applied.

7

13

15

19

IVP

Analog Input for Voltage. The current into the A/D converter

should be set at 14µA

at nominal mains voltage. The

voltage sense input saturates at an input current of ±25µA peak.

RM S

1, 2

1, 2

1, 2

1, 2

IIN, IIP

Inputs for current sensor. The shunt resistor voltage from each

channel is converted to a current of 16µA

at rated conditions.

The current sense input saturates at an input current of ±25µA

peak.

RM S

33

3

3

VREF

This pin provides the connection for the reference current setting

resistor. A 24k

resistor connected to V

set the optimum

operating condition.

W

SS

5

86

12

FOUT

Pulse rate output. Refer to pulse output format for a description

of the pulse rate.

44

4

67

5

78

6

99

7

11

9

12

11

10

13

11

14

13

15

16

17

18

TP1

TP2

TP3

TP4

TP5

TP6

TP7

TP8

TP9

TP10

TP11

TP12

Leave pins unconnected.

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