sames
SA9110A
MONOCHIP THREE PHASE BIDIRECTIONAL
KILOWATT HOUR METERING IC
FEATURES
n
4 externally selectable on-chip tariff
registers
n
An additional total energy register
n
Meets the IEC 521/1036 Specification
requirements for Class 1 AC Watt hour
meters
n
Optical interface for electronic reading
according to IEC1107 Mode D
DESCRIPTION
The SAMES SA9110A Three Phase bidirectional energy metering integrated circuit has an integrated Liquid Crystal Display (LCD) driver for a 7 digit (7 segment)
display as well as 4 multiple tariff registers.
The SA9110A performs the active power
calculation.
The method of calculation takes the power
factor into account.
The measured energy is displayed in kilo
Watt hours (kWh). The SA9110A is capable of driving a display having a resolution
of 1/10 kWh.
This innovative universal energy metering
integrated circuit is ideally suited for energy measurement in three phase systems.
The SA9110A integrated circuit is available in a 68 pin plastic leaded chip carrier
(PLCC-68) package type.
n
Pulse output for calibration
n
Total power consumption rating below
40mW
n
Adaptable to different types of current
sensors
n
Operates over a wide temperature
range
n
Precision voltage reference on-chip
n
Protected against ESD
PIN CONNECTIONS
OSC1
OSC2
S[13]
S[12]
S[11]
S[10]
S[9]
S[8]
S[7]
S[6]
S[5]
S[4]
S[3]
S[2]
S[1]
S[0]
TP44
Performs bidirectional energy metering and directly drives a LCD with 7
digits plus announciators
60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44
TP61
SDO
PCLK
PDTA
PGM
PB
SR[0]
SR[1]
V DD
V SS
VREF
CON3
COP3
IVP3
IVP2
IVP1
TP9
61
62
63
64
65
66
67
68
1
2
3
4
5
6
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
7
8
9
COFF
R[3]
R[2]
R[1]
R[0]
VBA
V SS
CINP
CIPP
CONP
COPP
IIP3
IIN3
IIP2
IIN2
IIP1
IIN1
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
DR-00952
TP10
TP11
GND
TP13
COP2
CON2
CON1
COP1
CIP1
CIN1
CIP2
CIN2
CIP3
CIN3
TP24
V DD
TP26
n
Package: PLCC-68
1/18
4365
PDS039-SA9110A-001
REV. B
28-08-1996
SA9110A
BLOCK DIAGRAM
16 CONNECTIONS
FOR LOOPCAPS
VBA R[0] R[1] R[2] R[3] V DD V SS
SDO
IVP1
SERIAL
OUT
INTERFACE
IVP2
IVP3
TARIFF
REGISTERS
ANALOG
SIGNAL
PROCESSING
IIP1
IIN1
LCD
CONTROL
INTEGRAT.
&
PULSE
RATE
GENERATION
IIP2
IIN2
IIP3
IIP2
S[0]
S[1]
S[2]
S[3]
S[4]
S[5]
S[6]
S[7]
S[8]
S[9]
S[10]
S[11]
S[12]
S[13]
COFF
GND
VREF
REF
DR-00953
TIMING & CONTROL
PGM
PB
OSC
OSC1
OSC2
PDTA PCLK SR[0] SR[1]
ABSOLUTE MAXIMUM RATINGS*
Parameter
Symbol
Supply Voltage
VDD -VSS
Current on any pin
IPIN
Storage Temperature
T STG
Operating Temperature
TO
Min
-0.3
-150
-40
-10
Max
6.0
+150
+125
+70
Unit
V
mA
°C
°C
* Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating only. Functional operation of the
device at these or any other condition above those indicated in the operational sections
of this specification, is not implied. Exposure to Absolute Maximum Ratings for
extended periods may affect device reliability.
2/18
sames
SA9110A
ELECTRICAL CHARACTERISTICS
(Over the temperature range -10°C to +70°C#, unless otherwise specified.)
Parameter
Supply Voltage
Supply Current
Nonlinearity of
power calculation
Symbol
VDD-VSS
IDD
Current Sensor Inputs (Differential)
Input Current Range
III
Voltage Sensor Inputs (Asymmetric)
Input current Range
IIV
LCD backplane Voltage
VB
LCD segment Voltage
VS
Pin SDO
Pulse rate
fP
Output Voltage Low
Output Voltage High
Oscillator
Pin VREF
Ref. Current
Ref. Voltage
Pins PB, SR[0], SR[1],
PGM
Input Voltage High
Input Voltage Low
Pullup Current
Pin PCLK
Input Voltage High
Input Voltage Low
Input Current High/
Low
Pin VBA
Min
Typ
Max
Unit
4.5
5.5
15
V
mA
-0.3
+0.3
%
1% - 100% of
rated power
-25
+25
µA
Peak value
+25
µA
Peak value
V
R[0] .. R[3]
V
S[0] .. S[15]
Hz
Hz
V
V
Default1
Programmed1
IOL = 5mA
IOH = -2mA
V
V
µA
VIN = VSS
V
V
µA
VIN=VSS ..VDD
nA
V
Power down
mode
-25
VDD &
VSS
1/3 VDD
2/3VDD
3.5
Condition
80
V OL
VSS+1
V OH
VDD-1
Recommended crystal:
TV colour burst crystal f = 3.5795 MHz
With R7 = 24kΩ
-I R
45
50
55
µA
connected to VSS
VR
1.1
1.3
V
Referred to VSS
VIH
VIL
4
1
30
VIH
VIL
4
1
±30
IMAX
V MIN
50
1.1
#
Extended Operating Temperature Range available on request
Note 1: At rated conditions
sames
3/18
SA9110A
PIN DESCRIPTION
Pin
12
1
25
2
37
38
8
7
6
27
28
29
30
31
32
60
59
39
40
41
42
45
46
47
48
49
50
51
52
53
54
55
56
57
58
43
4/18
Designation
GND
VDD
VDD
VSS
VSS
VBA
IVP1
IVP2
IVP3
IIN1
IIP1
IIN2
IIP2
IIN3
IIP3
OSC1
OSC2
R[0]
R[1]
R[2]
R[3]
S[0]
S[1]
S[2]
S[3]
S[4]
S[5]
S[6]
S[7]
S[8]
S[9]
S[10]
S[11]
S[12]
S[13]
COFF
Type
Supply
Supply
Supply
Supply
Supply
Supply
Analog in
Analog in
Analog in
Analog in
Analog in
Analog in
Analog in
Analog in
Analog in
Input
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
sames
Description
Ground
Positive Supply Voltage
Negative Supply Voltage
Battery back-up. Negative Supply Voltage
Input for voltage sense : Phase 1
Input for voltage sense : Phase 2
Input for voltage sense : Phase 3
Inputs for current sensor : Phase 1
Inputs for current sensor : Phase 2
Inputs for current sensor : Phase 3
Connections for crystal or ceramic resonator
(OSC1 = Input; OSC2 = Output)
Liquid crystal display (LCD) backplane drivers
Liquid crystal display (LCD) segment drivers
Connection for all unused LCD segments, to ensure
off status
SA9110A
PIN DESCRIPTION (continued)
Pin
Designation
Type
16
17
15
14
4
5
34
33
19
18
21
20
23
22
36
35
3
62
67
68
66
CON1
COP1
CON2
COP2
CON3
COP3
CONP
COPP
CIN1
CIP1
CIN2
CIP2
CIN3
CIP3
CINP
CIPP
VREF
SDO
SR[0]
SR[1]
PB
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Open drain
Input
Input
Input
65
PGM
Input
Description
Connections for outer loop capacitors of A/D
converters
Connections for inner loop capacitors of A/D
converters
Connection for reference current setting resistor
Pulse rate output. Serial data output when PB is low
Control for tariff register selection (on-chip pull-up)
Control for tariff register selection (on-chip pull-up)
Push Button: Display select/start serial data
transmission on SDO (on-chip pull-up)
Programming Mode . It is recommended that pin PGM
be connected to VDD via a 470Ω resistor to guard
against transients or noise.
64
63
9
10
11
13
24
26
44
61
PDTA
PCLK
TP9
TP10
TP11
TP13
TP24
TP26
TP44
TP61
Input
Input
sames
Programming Data (on-chip pull-down)
Programming Clock
Manufacturer's test pins (Leave unconnected)
5/18
SA9110A
FUNCTIONAL DESCRIPTION
The SA9110A is a CMOS mixed signal Analog/Digital integrated circuit, which performs
three phase energy calculations across a power range of 1000:1, to an overall accurancy
of better than Class 1. An on-chip LCD driver directly drives a 7 digit (7 segment) LCD.
Also included on-chip, are 4 x tariff registers externally selectable for multi-tariff energy
metering applications and a fifth register which retains the total energy consumption.
The integrated circuit includes all the required functions such as two oversampling A/D
converters for the voltage and current sense inputs, power calculation and energy
integration. Offset is eliminated through the use of internal cancellation procedures.
1. Power Calculation
In the Application Circuit (Figure 1), the mains voltage from Line 1, Line 2 and Line
3, are converted to currents and applied to the voltage sense inputs IVP1, IVP2 and
IVP3.
The current levels on the voltage sense inputs are derived from the mains voltage
(3 x 230 VAC) being divided down through voltage dividers to 14V. The resulting
input currents into the A/D converters are 14µA through the resistors R15, R16 and
R17.
For the current sense inputs the voltage drop across the current transformers
terminating resitors are converted to currents of 16µA for rated conditions, by means
of resistors R8, R9 (Phase 1); R10, R11 (Phase 2) and R12, R13 (Phase 3).
The signals providing the current information are applied to the current sensor inputs
IIN1, IIP1, IIN2, IIP2 and II3, IIP3.
A pulse rate output for calibration purposes is available on SDO (Pin 62), the pulse
rate being proportional to the active energy consumption.
The integrated anti-creep function ensures no metering when no line current is
present.
2. Analog Input Configuration
The input circuitry of the current and voltage sensor inputs are illustrated below.
These inputs are protected against electrostatic discharge through clamping
diodes.
The feedback loops from the outputs of the amplifiers AI and AV generate virtual
shorts on the signal inputs. Exact duplications of the input currents are generated
for the analog signal processing circuitry.
6/18
sames
SA9110A
V DD
IIP
CURRENT
SENSOR
INPUTS
V SS
A
I
V DD
IIN
V SS
V DD
IVP
VOLTAGE
SENSOR
INPUT
V SS
AV
GND
DR-00954
3.
LCD Driver
The SA9110A has an on-chip LCD driver capable of driving a 4 backplane, 7 digit
(7 segment) display, as well as 6 announciators.
The backplane repitition frequency is approximately 90Hz.
The most significant digit is addressed by columns S[13] and S[12] and the least
significant digit by S[1] and S[0]. Announciators for the total register, 4 tariff registers
and energy direction indication are available on the 'h' segments of the 6 least
significant digits. The display segments are addressed via the column outputs given
in the table below:
sames
7/18
SA9110A
LCD Segment Address Table
Digit
10-1
LSD
100
Column
S[0]
S[1]
S[2]
S[3]
S[4]
S[5]
S[6]
S[7]
S[8]
S[9]
S[10]
S[11]
S[12]
S[13]
101
102
103
104
105
MSD
R[0]
Total
d
T4
d
T3
d
T2
d
T1
d
Dir
d
h
d
R[1]
c
e
c
e
c
e
c
e
c
e
c
e
c
e
R[2]
b
g
b
g
b
g
b
g
b
g
b
g
b
g
R[3]
a
f
a
f
a
f
a
f
a
f
a
f
a
f
LCD Layout
The LCD display is given in the diagram below:
R[3]
a
g.
6
b
.
.
e
7
.
.
R[2]
.
R[1]
c
h
d
R[0]
T4
S[13]
BACKPLANES
4
f
S[12]
S[3]
TOTAL
S[2]
S[1]
S[0]
COLUMNS
DR-00955
The kWh values of the LCD display digits, are given in the table below. The
resolution of the Least Significant Digit is normally programmed to 0.1kWh:
105
8/18
104
103
102
sames
101
100
10-1
kWh
SA9110A
4.
Device Programming
The SA9110A contains on-chip registers which enables the meter manufacturer to
store various data:
Slope Adjustment
The slope of the device may be adjusted by programming a slope constant (KS) into
the device during calibration. The output frequency at SDO (fP) is calculated by
means of the following formula:
FOSC
40062.5
(II1 * IV1 ) + (II2 * I V2) + (II3 * IV3)
fP = 11.16 *
*
*
3.5795MHz
KS
3 * IR2
Where
FOSC
= Oscillator frequency (2MHz ...... 4MHz)
II1, II2, II3
= Input current for current sensor input (16µA at rated line current)
IV1, IV2, IV3 = Input current for voltage sensor input (14µA at rated line voltage)
IR
= Reference current (typically 50µA)
KS
= Slope constant (1025 ... 16384)
(The default value is 11389)
By changing the slope of the device the resolution of the LCD together with the pulse
rate on SDO may be changed by up to an order. The block diagram below illustrates
the display update rate.
Programmable slope divider
40062.5*
Pulses / s
1/K s
1 / 64
DR-00956
Display
Increment
fp
* At rated conditions
The display is incremented after every 64th pulse on SDO.
Display Resolution
From the above formula for fp it can be derived that the slope constant, Ks, is given
by the following expression:Ks = (626 * 3600 * 1000 * EKWh) / ( 3 * VL * IL)
Where EkWh =
energy for 1 Display increment in kWh
VL
=
rated line voltage
IL
=
rated line current
This formula is valid only if 16µA flows into each of the current sense inputs for rated
line current (IL) and 14µA flows into the voltage sense inputs for rated line voltage
(VL).
9/18
sames
SA9110A
Offset Adjustment
The precision of this device does not require any offset adjustment for Class 1
metering. This facility has been provided to compensate for poor PCB layout or
circumstances requiring precision well beyond a Class 1 rating.
The offset of the device may be adjusted by programming a different offset into the
device during calibration. To calaculate the offset the following procedure should
be followed:
Measure the linearity error at the current where offset correction is needed.
IM * ERR
KO =
IR * 6 * 10-6
Where
IM = Measured current on the current sensor
IR = Rated current on the current sensor
ERR = Error ratio between the device and the Wh standard
KO = Offset constant (-127 ... 127)
Note that KO must be programmed as a integer value.
Meter/Manufacturers Identification Data
A total of eleven 4 bit words are available to store relevant data such as the meter
and manufacturer identification codes. For the optical interface protocol, the 4-bit
words are converted to 8-bit words (ASCII-format).
Writing to RAM
The memory is configured as ten 32 bit words. The programming data must be
written to the device as a bitstream containing a total of 320 bits. ROM-locations
will not be overwritten.
Word
number
1
1
2
2
3
3
4
4
5
10/18
Bit
number
31..28
27..0
31..28
27..0
31..28
27..0
31..28
27..0
31..28
Function
Description
Sign of Register 1
Register 1
Sign of Register 2
Register 2
Sign of Register 3
Register 3
Sign of Register 4
Register 4
Sign of Register
'Total'
A '1' indicates a negative register value
Contents of register 1 in binary coded decimal
A '1' indicates a negative register value
Contents of register 2 in binary coded decimal
A '1' indicates a negative register value
Contents of register 3 in binary coded decimal
A '1' indicates a negative register value
Contents of register 4 in binary coded decimal
A '1' indicates a negative register value
sames
SA9110A
Word
Bit
Function
number number
Description
5
27..0
Register 'Total'
6
6
31..16
15..0
ROM
Manufacturers
Identification
Registers 1, 2, 3 and 4 are added and stored in the
register 'Total'
Don't care
16 bits are available for the manufacturer of the
metering system as a system identification
7
7
31..28
27..0
8
9
31..0
31
ROM
System
Identification
ROM
Programmed slope
Don't care
28 bits are available for the manufacturer of the
metering system as a system identification
Don't care
Programmed slope select bit must be set if the
9
9
30..25
24-22
default slope in ROM is not used
Don't care
Bits must be set to 0 for correct functionality
9
21
select
ROM
SAMES defined
register
Sign of offset
9
9
9
10
20..14
13
12..0
31..0
Offset
Sign of slope
Slope
ROM
Offset of the device in binary
By setting the sign bit a negative value is indicated
Slope of the device in binary. (default = 11389)
Don't care
By setting the sign bit a negative value is indicated
The first bit of the programming data is written to word number 1, bit 31. The last
bit is written to word number 10, bit 0.
PGM
PCLK
PDTA
BIT-N0
WORD-NO
31
1
30
1
29
1
28
1
27
1
26
1
25
1
24
1
23
1
0
10
DR-00957
Programming procedure:
The PGM pin is pulled low and the PCLK pin should be clocked with an external
clock. The programming data on the PDTA pin must be stable during the rising edge
of the clock signal on PCLK.
The clock signal on PCLK should not exceed 200 kHz and does not have to be
synchronised with the oscillator frequency (FOSC).
Programming mode is interrupted if PGM goes high.
sames
11/18
SA9110A
Memory Reset
In programming mode (while PGM is pulled low) if PCLK is left floating and PDTA=0,
the internal clock of the SA9110A will ensure that default values are set. For default
conditions all of the RAM locations are set to 0 and the value of the slope is set to
11389.
The minimum time period for a complete reset cycle is determined by:
tmin
= 322 * 64
FOSC
Where FOSC = Oscillator frequency (2MHz.....4MHz)
If the recommended crystal frequency of 3.5795MHz is used, this will result in a
minimum reset time of 5.8ms.
The specified signal levels on pins PGM, PCLK and PDTA must remain stable for
the entire reset cycle period.
5.
Tariff Registers
A multiple tariff facility is provided on-chip by means of 4 tariff registers, which are
externally selectable via the SR[0] and SR[1] inputs. The registers may be selected
by programming the SR[0] and SR[1] inputs as follows:
SR[1]
0
0
1
1
SR[0]
0
1
0
1
Register
Register 1
Register 2
Register 3
Register 4
The 4 tariff registers as well as the total register may be sequentially displayed by
activating the Push Button (PB). The minimum Push Button make time is 5mS. The
contents of the register selected for display is retained on the display for a period
of 10 seconds, provided that the push button is not activated during this period. After
the 10 seconds has elapsed, the display defaults to the "active" register defined by
the status of the SR[0] and SR[1] inputs.
The register selected for display via the push button (PB) is indicated by the relevant
announciator.
12/18
sames
SA9110A
6.
Optical Interface
The SA9110A device contains an interface for automatic meter reading, according
to the IEC1107 Mode D standard. The IEC1107 Mode D is a single baud rate of
2400. For the optical interface protocol, the 4-bit words are converted to 8-bit words
(ASCII-format).
After initiation of a serial transmission by pulling PB (pin 66) low, the data format
transmitted on SDO, is given below:
Code
/
XXX
3
YYYYYYYY
<cr><lf><cr><lf>
0(nnnnnnnn)
1(nnnnnnnn)
2(nnnnnnnn)
3(nnnnnnnn)
4(nnnnnnnn)
!<cr><lf><cr><lf>
Description
Start transmission
ID
Baud rate identification
ID
Data header
Data of Reg. 1 (sign, 10e 5, 10e4 ...10e0, 10e-1)
Data of Reg. 2
Data of Reg. 3
Data of Reg. 4
Data of Reg. 'Total' = Sum of registers 1 to 4
End transmission
7.
Power Failure/Battery Backup
A battery backup facility is available on VBA. This feature is provided to ensure
retention of the information stored in the registers, in case of power breaks.
The VSS supply to the analog circuitry and digital circuitry has been separated. In
the event of a power failure, the supply to the analog circuitry falls to 0V. The digital
circuitry is switched to a power down mode, to minimise the supply current from an
external battery backup. During this procedure, the following events take place:
• All inputs are disabled
• All outputs are placed in high impedance mode
• The oscillator is inhibited
• The LCD driver is disabled
• The contents of the RAM is retained by means of an external power source.
8.
Electrostatic Discharge (ESD) Protection
The SA9110A integrated circuits inputs/outputs are protected against ESD.
9.
Power Consumption
The power consumption rating of the SA9110A integrated circuit is less than 40mW
with a 5V supply.
sames
13/18
SA9110A
TYPICAL APPLICATION
In the Application Circuit (Figure 1), the components required for a three phase power
metering application are shown. Terminated current transformers are used for current
sensing.
The most important external components for the SA9110A integrated circuit are:
C7, C9, C10 and C 11 are the outer loop capacitors for the integrated oversampling
A/D converters. The typical value of C7 is 2.2nF and the value of C9, C10 and C11 is
560pF.
The actual values determine the signal to noise and stability performance. The tolerances
should be within ± 10%.
C4, C5, C6 and C8 are the inner loop capacitors for the integrated oversampling A/D
converters. The typical value of C4, C5, C 6 and C 8 is 3.3nF. Values smaller than 0.5nF
and larger than 5nF should be avoided.
Terminated current sensors (current transformers) are connected to the current sensor
inputs of the SA9110A through current setting resistors (R8 ..R13).
The resistor values should be selected for an input current of 16µARMS into the SA9110A,
at the rated line current.
The values of these resistors should be calculated as follows:
Phase 1:
R8 = R9 = (IL1/16µA RMS) * R 18/2
Phase 2:
R10 = R11 = (IL2/16µARMS) * R19/2
Phase 3:
R12 = R13 = (IL3/16µARMS) * R20/2
Where ILX
= Secondary CT current at rated conditions.
R18, R19 and R20
= Current transformer termination resistors for the three phases.
R1 , R4 and R15 set the current for the phase 1 voltage sense input. R2 , R5 and R16 set
the current for phase 2 and R3 , R6 and R17 set the current for phase 3. The values should
be selected so that the input currents into the voltage sense inputs (virtual ground) are
set to 14µA RMS for nominal line voltage. Capacitors C1, C2 and C3 are for decoupling and
phase compensation.
R7 defines all on-chip bias and reference currents (IR ). With R7 = 24kΩ, optimum
conditions are set. R7 may be varied within ± 10% for calibration purposes. Any changes
to R7 will affect the output quadratically (i.e: ∆R = +5%, ∆f = +10%).
XTAL is a colour burst TV crystal (f = 3.5795MHz) for the oscillator. The oscillator
frequency is divided down to 1.7897MHz on-chip to supply the digital circuitry and the
A/D converters.
14/18
sames
N L3 L2 L1
LOAD
SUPPLY
sames
CT3
CT2
CT1
DR-00939
R1
R2
R3
R6 R5
R20
R19
R18
R4
5V
C1
C2
C3
4
3
2
1 68 67 66 65
19
20
21
22
C4
R13
R12
R11
R10
R9
R8
26
24
25
23
18
17
16
D1
C7 C8
29 30 31 32 33 34 35 36
IC - 1
D2
37 38 39 40 41 42 43
C12
44
45
47
46
48
49
50
51
53
52
55
54
13
57
56
64 63 62 61
14
15
SA9110A
5
58
6
12
7
11
8
5V
60
59
27 28
9
C11
R7
10
C10
C9
C6
C5
R15
R16
R17
BAT
XTAL
LED
DISPLAY SELECT
TARIFF SELECT
R22
R21
5V
.
R14
.
.
.
.
5V
.
.
.
R23
.
.
.
5V
C14
C13
NEGATIVE T1 T2 T3 T4 TOTAL
.
PBUT
DIPSW
.
.
LCD
PGM
PDTA
PCLK
SA9110A
Figure 1: Application circuit using current transformers for current sensing.
15/18
SA9110A
Parts List for Application Circuit: Figure 1
Item
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
16/18
Symbol
IC-1
XTAL
R1
R2
R3
R4
R5
R6
R7
R8
R9
R10
R11
R12
R13
R14
R15
R16
R17
R18
R19
R20
R21
R22
R23
C1
C2
C3
C4
C5
C6
C7
C8
C9
C10
C11
C12
C13
C14
BAT
Description
SA9110AFA
Crystal, 3.5795 MHz
Resistor, 390k, 1%, ¼W
Resistor, 390k, 1%, ¼W
Resistor, 390k, 1%, ¼W
Resistor, 24k, 1%, ¼W
Resistor, 24k, 1%, ¼W
Resistor, 24k, 1%, ¼W
Resistor, 24k, 1%, ¼W
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor, 820Ω, 1%, ¼W
Resistor, 1M, 1%, ¼W
Resistor, 1M, 1%, ¼W
Resistor, 1M, 1%, ¼W
Resistor
Resistor
Resistor
Resistor, 820Ω, 1%, ¼W
Resistor, 820Ω, 1%, ¼W
Resistor, 470Ω
Capacitor, electrolytic, 1µF, 16V
Capacitor, electrolytic, 1µF, 16V
Capacitor, electrolytic, 1µF, 16V
Capacitor, 3.3nF
Capacitor, 3.3nF
Capacitor, 3.3nF
Capacitor, 2.2nF
Capacitor, 3.3nF
Capacitor, 560pF
Capacitor, 560pF
Capacitor, 560pF
Capacitor, 100nF
Capacitor, 820nF
Capacitor, 100nF
Battery (1.2V)
sames
Detail
PLCC-68
Colour burst TV
Note 1
Note 1
Note 1
Note 1
Note 1
Note 1
Note
Note
Note
Note
Note
Note
2
2
2
2
2
2
Note
Note
Note
Note
Note
Note
1
1
1
2
2
2
Note 3
Note 3
Note 3
Note 4
SA9110A
Parts List for Application Circuit: Figure 1 (Continued)
Item
41
42
43
44
45
Symbol
LED
D1
D2
DIPSW
PBUT
Description
Light emmitting diode
Diode, Shottkey
Diode, 1N4148
DIP swich, 2 poles
Push button
Detail
Note 1 : Resistor values are dependant upon the rated mains voltage (230V in this case)
Note 2 : Resistor (R8, R9, R10, R11, R12 and R13) values are dependant upon the selected
values of the current transformer termination resistors R18, R19 and R20.
Note 3 : Capacitor values may be selected to compensate for phase errors caused by the
current transformers.
Note 4 : Capacitor (C13) to be positioned as close to supply pins (VDD & VSS ) of IC-1, as
possible.
ORDERING INFORMATION
Part Number
SA9110AFA
Package
PLCC-68
sames
17/18
SA9110A
Disclaimer:
The information contained in this document is confidential and proprietary to South African MicroElectronic Systems (Pty) Ltd ("SAMES") and may not be copied or disclosed to a third party, in whole or in part,
without the express written consent of SAMES. The information contained herein is current as of the date of
publication; however, delivery of this document shall not under any circumstances create any implication that the
information contained herein is correct as of any time subsequent to such date. SAMES does not undertake to
inform any recipient of this document of any changes in the information contained herein, and SAMES expressly
reserves the right to make changes in such information, without notification,even if such changes would render
information contained herein inaccurate or incomplete. SAMES makes no representation or warranty that any
circuit designed by reference to the information contained herein, will function without errors and as intended by
the designer.
Any Sales or technical questions may be posted to our e-mail address below:
[email protected]
For the latest updates on datasheets, please visit out web site:
http://www.sames.co.za
South African Micro-Electronic Systems (Pty) Ltd
P O Box 15888,
33 Eland Street,
Lynn East, 0039
Koedoespoort Industrial Area,
Republic of South Africa,
Pretoria,
Republic of South Africa
Tel:
Fax:
18/18
012 333-6021
012 333-8071
sames
Tel:
Fax:
Int +27 12 333-6021
Int +27 12 333-8071