DESCRIPTION
The SAMES SA9105E Three Phase
unidirectional Power/Energy metering
integrated circuit generates a pulse rate
output, the frequency of which is proportional
to the power consumption. The SA9105E
performs the calculation for 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 SA9105E 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) package types.
SA9105E
THREE PHASE UNIDIRECTIONAL POWER/ENERGY
METERING IC WITH INSTANTANEOUS PULSE OUTPUT
Package: DIP-40
1/12
PIN CONNECTIONS
4262 PDS039-SA9105E-001 Rev. B 15-09-1995
samessames
samessames
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 options available
n Protected against ESD
DR-00838
IIP3
11
COPP
CONP
OSC2
OSC1
TP18
TP17
SS
CIPP
CINP
V
16
17
18
20
19
12
13
14
15
CIN1
1
CIP2
CIN2
CIN3
CIP3
IIN3
IIN1
IIP1
IIN2
IIP2
6
8
7
9
10
2
4
5
3
CON3
TP25
TP24
FOUT3
FOUT2
FOUT1
25
21
22
23
24
V
TP27
TP26
DD
VREF
30
29
28
27
26
CIP1
40
GND
35
IVP1
IVP2
COP3
IVP3
31
33
34
32
COP1
CON1
CON2
COP2
39
38
37
36
