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PDF SA9106AFA Datasheet ( Hoja de datos )

Número de pieza SA9106AFA
Descripción SINGLE PHASE WATT MEASUREMENT IC WITH INTEGRATED 5 DIGIT LED DISPLAY DRIVER
Fabricantes Sames 
Logotipo Sames Logotipo

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SA9106AFA Hoja de datos, Descripción, Manual
sames
SA9106A
SINGLE PHASE WATT MEASUREMENT IC
WITH INTEGRATED 5 DIGIT LED DISPLAY DRIVER
FEATURES
n Performs bidirectional power measure- n Adaptable to different types of current
ment and directly drives a 5 digit (7
sensors
segment) LED display
n Operates over a wide temperature
n Accuracy better than 1% (± 1 count)
range
n Protected against ESD
n Precision voltage reference on-chip
n Total power consumption rating below
50mW
DESCRIPTION
The SAMES SA9106A Single Phase Watt
measurement integrated circuit has an
integrated Light Emitting Diode (LED) dis-
play driver for a 5 digit (7 segment) display.
The SA9106A performs the power calcu-
lations for active power.
The method of calculation takes the power
factor into account.
The measured power is displayed in Watts
and is updated approximately every 2 sec-
onds, given an average power reading for
this period.
This innovative universal Watt measure-
ment integrated circuit is ideally suited for
the display of the measured power in in-
dustrial and domestic power measurement
and multi plug sockets.
The SA9106A integrated circuit is avail-
able in 40 pin dual-in-line plastic (DIP-40)
as well as 44 pin plastic leaded chip carrier
(PLCC-44) package types.
PIN CONNECTIONS
V SS 1
V SSA 2
CIP 3
CIN 4
COP 5
CON 6
TP7 7
TP8 8
IVP 9
GND 10
TP11 11
IIN 12
IIP 13
VREF 14
TP15 15
CPON 16
CPOP 17
CPIN 18
CPIP 19
V DDA 20
40 TP40
39 TP39
38 TP38
37 DIG[5]
36 DIG[4]
35 DIG[3]
34 DIG[2]
33 DIG[1]
32 DIG[0]
31 OSC1
30 OSC2
29 G
28 F
27 E
26 D
25 C
24 B
23 A
22 TP22
21 V DD
DR-00235
Package: DIP-40
4008
PDS039-SA9106A-001 REV. D
1/14
10-08-1995

1 page
SA9106AFA datasheet

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SA9106AFA pdf
SA9106A
PIN DESCRIPTION (Continued)
Pin Pin Designation
PLCC DIP
31 39
TP39
32 40
TP40
1 TP1
4 TP4
5 TP5
9 TP9
12 TP12
37 TP37
38 TP38
44 TP44
Description
Manufacturer's Test Pins (Leave unconnected)
FUNCTIONAL DESCRIPTION
The SA9106A is a CMOS mixed signal Analog/Digital integrated circuit, which performs
bidirectional power calculations across a power range of 1000:1, to an overall accurancy
of better than 1% (± 1 count). An on-chip LED display driver directly drives a 5 digit (7
segment) LED display. The measured power is displayed in Watts.
The integrated circuit comprises of all the required functions such as two oversampling
A/D converters for the voltage and current sense inputs, power calculation and energy
integration. Internal offsets are eliminated through the use of cancellation procedures.
1. Power Calculation
In the Application Circuit (Figure 1), the voltage drop across the shunt will be
between 0 and 50mV (0 to 80A through a shunt resistor of 625µ). This voltage is
converted to a current of between 0 and 16µA, by means of resistors R1 and R2.
The current sense input saturates at an input current of ±25µA peak.
For the voltage sense input, the mains voltage (230VAC) is divided down through
a divider to 14V. The resulting current into the A/D converter input is set at 14µA
at nominal mains voltage, via resistor R4 (1M).
In this configuration, with a mains voltage of 230 V and a current of 80A, the
displayed power is 18 400 Watts.
2. LED Display Driver
The SA9106A has an on-chip LED display driver capable of driving 5 digit (7
segment) common cathode digits as well as a sign LED.
The sign LED is addressed by DIG [5], the most significant digit by DIG [4] and the
least significant digit by DIG [0].
The position of the segments a, b, c, d, e, f and g are shown in the diagram below:
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SA9106AFA arduino
Parts List for Application Circuit: Figure 2
Item Symbol Description
1 IC-1 SA9106A
2 XTAL Crystal, 3.5795MHz
3 RSH Resistor
4 R1 Resistor, 1%, metal
5 R2 Resistor, 1%, metal
6 R3 Resistor, 390k, (230 VAC). 1%, metal
7 R4 Resistor, 1M, 1/4W, 1%, metal
8 R6 Resistor, 24k, 1/4W, metal
9 R7 Resistor, 22k, 1/4W, 1%, metal
10 R8 Resistor
11 R9 Resistor
12 R10 Resistor
13 R11 Resistor
14 R12 Resistor
15 R13 Resistor
16 R14 Resistor
17 R15 Resistor, 820, 1/4W, 1%
18 R16 Resistor, 820, 1/4W, 1%
19 D1 Light emitting diode
20 RT Potentiometer 4.7k
21 C1 Capacitor, 560pF
22 C2 Capacitor, 560pF
23 C3 Capacitor, 3.3nF
24 C4 Capacitor, 3.3nF
25 C9 Capacitor, 100nF
26 C10 Capacitor, 100nF
27 C11 Capacitor
28 C15 Capacitor, 820nF
SA9106A
Detail
DIP-40/PLCC-44
Colour burst TV
Note 1
Note 2
Note 2
Note 3
Note 3
Note 3
Note 3
Note 3
Note 3
Note 3
Multi turn
Note 4
Note 5
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