User guide

CS5480
DS980F3 67
5 x 330K
CS5480
27nF
27nF
1K
1K
LN
IIN1+
IIN1-
IIN2-
IIN2+
Application
Processor
RESET
RX
TX
GNDA GNDD
DO3
DO1
DO2
VDDA
+3.3V
0.1µF
0.1µF
+3 .3V
VDDD
+3.3V
VREF-
VREF+
0.1 µ F
27nF
27nF
1K
1K
½ R
BURDEN
Wh Varh
4.096MHz
XIN
XOUT
SSEL
Interrupt
½ R BURDEN
½ R
BURDEN
½ R
BURDEN
MODE
VIN +
VIN -
27nF
27nF
1K
1K
+3.3V
LOAD
0. 1 µ F
10 K
+3 .3 V
CT
CT
CS
1 Voltage, 1 Line Current,
and 1 Neutral Current
Figure 28. Typical Single-phase 2-Wire Connection