SA2002E
ssaammeess
PIN DESCRIPTION
8
14
16
20
Designation
Description
Pin
Pin
Pin
Pin
Analog Ground. The voltage to this pin should be mid-way
between V and V .
8
14
16
20
GND
DD
SS
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.
4
5
5
8
V
DD
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.
6
10
12
14
V
SS
Analog Input for Voltage. The current into the A/D converter
7
13
15
19
should be set at 14µA at nominal mains voltage. The
RMS
IVP
voltage sense input saturates at an input current of ±25µA peak.
Inputs for current sensor. The shunt resistor voltage from each
channel is converted to a current of 16µA at rated conditions.
RMS
1, 2
1, 2
1, 2
1, 2
IIN, IIP
The current sense input saturates at an input current of ±25µA
peak.
This pin provides the connection for the reference current setting
resistor. A 24kW resistor connected to V set the optimum
SS
3
3
3
3
VREF
operating condition.
Pulse rate output. Refer to pulse output format for a description
of the pulse rate.
5
8
6
12
FOUT
Leave pins unconnected.
4
6
4
7
4
5
TP1
TP2
TP3
TP4
TP5
TP6
TP7
TP8
TP9
TP10
TP11
TP12
7
8
6
9
9
7
11
12
10
11
13
14
9
10
11
13
15
16
17
18
3/10
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