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SA9105A Datasheet(PDF) 1 Page - Sames

Part No. SA9105A
Description  THREE PHASE UNIDIRECTIONAL POWER/ENERGY METERING IC WITH PULSE OUTPUT
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Maker  SAMES [Sames]
Homepage  http://www.sames.co.za
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DESCRIPTION
The SAMES SA9105A Three Phase
unidirectional Power/Energy metering
integrated circuit generates a pulse rate
output, the frequency of which is proportional
to the power consumption. The SA9105A
performs the calculations of active power.
The method of calculation takes the power
factor into account.
Energy consumption is determined by the
power measurement being integrated over
time.
The output of this innovative universal three
phase power/energy metering integrated
circuit, is ideally suited for applications such
as residential and industrial energy metering
and control.
The SA9105A integrated circuit is available
in 40 pin dual-in-line plastic (DIP-40), as
well as in 44 pin plastic leaded chip carrier
(PLCC-44) packages types.
SA9105A
THREE PHASE UNIDIRECTIONAL POWER/ENERGY
METERING IC WITH PULSE OUTPUT
Package: DIP-40
1/12
4032
PDS039-SA9105A-001
Rev. C
15-08-1995
sames
FEATURES
n
Performs unidirectional one, two or
three phase power and energy
measurement
n
Meets the IEC 521/1036 Specification
requirements for Class 1 AC Watt hour
meters
n
Operates over a wide temperature
Range
n
Uses current transformers for current
sensing
n
Excellent long term stability
n
Easily adaptable to different signal
levels
n
Precision voltage reference on-chip
n
Three pulse rate outputs available
n
Protected against ESD
PIN CONNECTIONS
DR-00838
11
IIP3
COPP
CONP
OSC2
OSC1
TP18
TP17
SS
CIPP
CINP
V
16
17
18
19
20
12
13
14
15
1
CIN1
CIP2
CIN2
CIN3
CIP3
IIN3
IIN1
IIP1
IIN2
IIP2
6
8
7
9
10
2
4
5
3
30
CON3
TP25
TP24
FOUT3
FOUT2
FOUT1
25
21
22
23
24
V
TP27
TP26
DD
29
28
27
26
VREF
CIP1
40
GND
35
IVP1
IVP2
33
34
32
31
COP3
IVP3
COP1
CON1
CON2
COP2
39
38
37
36




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