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SA2002D датащи(PDF) 1 Page - Sames

номер детали SA2002D
подробное описание детали  Single Phase Kilowatt-hour Metering IC for Mechanical Display Applications
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производитель  SAMES [Sames]
домашняя страница  http://www.sames.co.za
Logo SAMES - Sames

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FEATURES
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Provides a single chip solution for energy meters having a
mechanical display
No external crystal or resonator required
Direct stepper motor / impulse counter drive
Unidirectional and bi-directional energy measurement
Meets the IEC 521/1036 Specification requirements for
Class 1 AC Watt hour meters
Sames
Single Phase Kilowatt-hour Metering IC for
Mechanical Display Applications
SA2002D
1/10
SPEC-0024 (REV. 4)
18-11-02
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Configurable for different meter ratings
Adaptable to different types of current sensors
Precision voltage reference on chip
Operates over a wide temperature range
Low power consumption
DESCRIPTION
The SAMES SA2002D provides a single chip solution for
single phase energy meters. Very few external components
are required and it has direct drive capability for
electromechanical counters. The SA2002D does not required
an external crystal. A precision oscillator, which is supplies the
circuitry with a stable frequency, is integrated on chip.
Programmable inputs allow the meter manufacturer to
configure the SA2002D for different meter ratings without
having to change the stepper motor or impulse counter gear
ratio. A high frequency pulse output is available at the LED
output for meter calibration purposes. The SA2002D includes
an anti-creep feature.
The SA2002D can be configured for positive, negative or bi-
directional energy measurement.
The SA2002D Single Phase kWh metering integrated circuit
generates a pulse rate output, the frequency of which is
proportional to the power consumption. The SA2002D
performs the calculation for active power. The method of
calculation takes the power factor into account.
The SA2002D integrated circuit is available in 20 pin dual-in-
line plastic (PDIP20), as well as 20 pin small outline (SOIC20)
package types.
Figure 1: Block diagram
ANALOG
SIGNAL
PRO-
CESSING
LED-
PULSE
POWER
INTE-
GRATOR
COUNTER
DRIVER
REFERENCE
&
BIAS
OSC TIMING
LED
VDD
DIRI
FAST
DIRO
MOP
IIP
IVP
MON
IIN
AGND
R0 R1 R2
VREF
Dr-01566
VSS CNF


Аналогичный номер детали - SA2002D

производительномер деталидатащиподробное описание детали
logo
Sames
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SA2002ESA SAMES-SA2002ESA Datasheet
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SA2002H SAMES-SA2002H Datasheet
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