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SA4305ASAR Datasheet(PDF) 12 Page - Sames

Part # SA4305ASAR
Description  Three Phase Bidirectional Energy Metering IC
PDF  15 Pages
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Manufacturer  SAMES [Sames]
Direct Link  http://www.sames.co.za
Logo SAMES - Sames

SA4305ASAR Datasheet(HTML) 12 Page - Sames

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SPEC-3093 (REV. 2)
12/15
29-09-2017
SA4305A
Figure 10: Typical application circuit
Table 2: Component list for typical application
Symbol
Description
U1
Energy metering device,
SA4305ASAR
R1, R2, R7, R8,
R13, R14
Resistor, 2
, 1%, metal film
R3, R41, R5, R61,
R9, R101, R11, R121,
R15, R161, R17, R181
Resistor, 1.5k
, 1%, metal film
R19, R20, R24, R25,
R29, R30
Resistor, 200k
, 1%, metal film
R21, R221, R26,
R271, R31, R321
Resistor, 100k
, 1%, metal film
Symbol
Description
R23, R28, R33
Resistor, 2.7k
, 1%, metal film
R341
Resistor, 47k
, 1%, metal film
P1, P2, P3
Trim-pot, 25 turns, 1k
C1, C2, C3, C4, C5,
C6
Capacitor, 22nF, ceramic
C7, C8, C9
Capacitor, 3.3nF, ceramic
C102, C112
Capacitor, 220nF, ceramic
C122
Capacitor, 1μF, ceramic
CT1, CT2, CT3
Current transformer, 60A,
1:2500
Note 1: Resistors R4, R6, R10, R12, R16, R18, R22, R27, R32 and R34 must be positioned as close as possible
to the respective device pins
Note 2: Capacitors C10, C11 and C12 must be positioned as close as possible to the VDD and VSS power supply
pins
12
6
14
15
PGM0
VDD
VSS
VREF
IIP1
IIN1
SA4305A
U1
DIR
FOUT
IVP3
IVP2
IVP1
AGND
16
17
20
3
8
9
FPM
10
PGM1
13
18
19
CT1
R2 2
C2
R1 2
R5
R6
R3
R4
1.5k
1.5k
1.5k
1.5k
C1 22nF
22nF
1
2
CT2
R8 2
C4
R7 2
R11
R12
R9
R10
1.5k
1.5k
1.5k
1.5k
C3 22nF
22nF
4
5
CT3
R14 2
C6
R13 2
R17
R18
R15
R16
1.5k
1.5k
1.5k
1.5k
C5 22nF
22nF
IIP2
IIN3
R34
47k
-2.5V
+2.5V
R24
200k
R29
200k
R19
200k
R25
200k
R30
200k
R20
200k
R26
100k
R31
100k
R21
100k
R27
100k
R32
100k
R22
100k
P2 1k
P3 1k
P1 1k
R28
2.7k
R33
2.7k
R23
2.7k
0V
0V
MS
11
IIN2
LIVE 1 IN
LIVE 2 IN
LIVE 3 IN
NEUTRAL
0V
IIP3
LIVE 3 OUT
LIVE 2 OUT
LIVE 1 OUT
C7
3.3nF
C8
3.3nF
3.3nF
C9
0V
C10
220nF
C11
220nF
C12
1µF
+2.5V
-2.5V
0V
0V
0V
0V
TEST
7
Pulse Processing Circuit
e.g. Microcontroller
+2.5V or -2.5V
+2.5V or -2.5V
+2.5V or -2.5V or floating
+2.5V or -2.5V or floating



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