Product
Description
AT73C500
Dedicated kWh meter DSP
AT73C501
ADC for Class 0.5 meters (5V)
AT73C502
ADC for Class 0.2 meters (5V)
AT73C503
ADC for Class 0.2 meters (3V)
AT73C504
AT73C560
Complete 3p/4w kWh IC with uC interface
Atmel kWh Meter Product Offering for 1-phasw kWh Meters
AT73C540
Complete 1p/2w IC pulse outputs
AT73C550
Complete 1p/2w IC with uC interface
AT73C552
2 channel ADC for Class 0.5 meters
AT73C540/550 Single Phase Meter IC
A single chip kWh meter with:
Two 16 bit ADCs (one with gain amp ) and a DSP
Algorithms for all IEC 60521/60687/61036
Pulse Outputs for :
Active Energy(EP)
Minimum requirement
Zero Crossing(ZC)
For pwrline modem
Tampering(NEG)
Shows reversed current
Low Voltage(VOL)
Quality
Ten day timer for power outage
Serial Bus for Data Access (AT73C550 only)
Fully Digital Calibration(AT73C550 only)