CS5480
+3.3V
VDDA
+3.3V
0.1µF
0.1µF
L
N
Wh
Varh
MODE VDDD
SSEL
VIN +
+3.3V
27nF
27nF
VIN -
+3.3V
1K
DO1
DO2
5x 330K
1K
Interrupt
DO3
RX
TX
CS
CS5480
IIN1+
IIN1-
IIN2-
IIN2+
1K
1K
1K
1K
½ R BURDEN
27nF
27nF
CT
Application
Processor
½ R BURDEN
XIN
4.096MHz
XOUT
VREF+
+3.3V
10K
0.1
0.1µF
½ R BURDEN
½ RBURDEN
27nF
27nF
VREF-
RESET
CT
µF
GNDA GNDD
LOAD
1 Voltage, 1 Line Current,
and 1 Neutral Current
Figure 28. Typical Single-phase 2-Wire Connection
DS980F2
67