SA9102CPA SAMES, SA9102CPA Datasheet
SA9102CPA
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SA9102CPA Summary of contents
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... Class 1 AC Watt hour meters Protected against ESD Total power consumption rating typically 25mW DESCRIPTION The SAMES SA9102C Single Phase unidirectional Power/Energy metering integrated circuit generates a pulse rate output, the frequency of which is proportional to the power consumption. The SA9102C performs the calculation for active power ...
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... 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. 2/12 sames Symbol Min V -V -0.3 ...
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... Input Current Range Pins FOUT1, FOUT2 Output Low Voltage Output High Voltage Pulse Rate FOUT1 1 FOUT2 Oscillator Pin VREF Ref. Current Ref. Voltage Note 1: An option of FOUT2 = f # Extended Operating Temperature Range available on request. sames Symbol Min Typ V 2. -2. ...
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... Internal offsets are eliminated through the use of cancellation procedures. The SA9102C generates pulses, the frequency of which is proportional to the power consumption. Two frequency outputs' (FOUT1 and FOUT2) are available, with a third frequency option available on request. 4/12 sames Description Ground Positive Supply Voltage Negative Supply Voltage ...
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... These inputs are protected against electrostatic discharge through clamping diodes, in conjunction with the amplifiers input configuration. The feedback loops from the outputs of the amplifiers A shorts on the signal inputs. Exact duplications of the input currents are generated for the analog signal processing circuitry. sames V DD IIP CURRENT ...
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... R defines all on-chip bias and reference currents. With R 7 are set. R may be varied within ±10% for calibration purposes. Any change affect the output quadratically (i.e.: R 6/12 sames / +10%). 24k , optimum conditions 7 will ...
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... Input current for voltage input (14µA at rated Reference current (typically 50µA) R 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. sames FOSC 3.58MHz I ...
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... SA9102C Figure 1: Application Circuit using a Shunt Resistor for Current Sensing. 8/12 sames ...
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... RSH Note 1: Resistor (R1 and R2) values are dependant upon the selected value of RSH. Note 2: Capacitor (C15 positioned as close to Supply Pins (V possible. Note 3: See TYPICAL APPLICATIONS when selecting the value of RSH. sames Description SA9102C Optocoupler 4N35 Diode, Silicon, 1N4148 Diode, Silicon, 1N4148 ...
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... SA9102C Figure 2: Application Circuit using a Current Transformer for Current Sensing. Note: Capacitor C11 may be selected for phase compensation and DC blocking. 10/12 sames ...
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... Note 2: Resistor (R1and R2) values are dependant upon the selected value of RSH. Note 3: Capacitor (C9 positioned as close to Supply Pins (V as possible. Note 4: Capacitor (C11) selected to minimize phase error introduced by current transformer (typically 1.5µF) ORDERING INFORMATION Part Number Package SA9102CPA SA9102CSA SOIC-20 sames Description SA9102C Crystal, 3.5795MHz Resistor ...
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... The information contained in this document is confidential and proprietary to South African Micro- Electronic 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 ...