SA9605A
NEUTRAL
P1
P2
P3
LIVE1
LIVE2
LIVE3
R11
R12
R10
R1
R4
R2
R5
R3
R6
R7
R8
R9
U1
IIP1
R13
R16
IVP1
R22
CT1
C4
R17
R18
IIN1
IIP2
R14
R15
IVP1
IVP1
R23
R24
CT2
CT3
C5
C6
R19
R20
+2V5
IIN2
IIP3
C2
C1
R21
IIN3
AGND
OSC1
VREF
X1
NEUTRAL
LIVE1
+2V5
VDD
OSC2
R25
FOUT1
FOUT2
DIR
PGM0 FOUT1
-2V5
C3
LIVE2
FOUT2
DIR
PGM1
VSS
LIVE3
-2V5
Figure 6: Typical application circuit
Table 2: Component list for typical application
Symbol
Description
Symbol
Description
R22, R23, R24
R251
Resistor, 2.7, 1%, metal film
Resistor, 24k, 1%, metal film
Trim-pot, 25 turns, 5k
U1
Energy metering device, SA9605A
Resistor, 120k, 1%, metal film
Resistor, 120k, 1%, metal film
Resistor, 120k, 1%, metal film
Resistor, 22k, 1%, metal film
Resistor, 1M, 1%, metal film
Resistor, 2.7k, 1%, metal film
Resistor, 2.7k, 1%, metal film
R1, R2, R3
P1, P2, P3
R4, R5, R6
X1
Crystal, 3.5795MHz
R7, R8, R9
C12, C22
C32
Capacitor, 220nF, ceramic
Capacitor, 820nF, ceramic
Capacitor, 1μF, ceramic
Current Transformer, TZ76V
R10, R11, R12
R131, R141, R151
R161, R171, R181
R191, R201, R211
C4, C5, C6
CT1, CT2, CT3
Note 1: Resistors R13 to R21 and R25 must be positioned as close as possible to the respective device pins
Note 2: Capacitors C1, C2 and C3 must be positioned as close as possible to the VDD and VSS power supply pins
SPEC-3118 (REV. 3)
29-09-2017
8/11
SAMES [ SAMES ]
