Description
The AS8118 is a very accurate single-phase bi-directional instantaneous energy measurement integrated circuit, which surpasses all the accuracy requirements for IEC1036 alternating current static watt-hour meters. The measured energy is converted into pulses with the number of output pulses being proportional to the measured energy.

FEATUREs
- Extremely accurate, surpassing the accuracy  requirements of the IEC 1036 Specification less than 0.1% error over a 600 : 1 dynamic range
- On-chip programmable current input gain suitable for use with low-resistance shunt resistor or current transformer
- On-chip programming for output pulse rate selection
- On-chip calibration eliminates the need for an external resistor network or trim-potentiometer
- Programmable on-chip creep prevention under no-load condition
- All on-chip programmable functions may be reprogrammed a second time
- Outputs directly drive an electromechanical counter or counters with a two phase stepper motor and consumption LED indicator
- Fast calibration pulse output for high speed manual or automated calibration
- On-chip voltage reference and power supply monitoring
- Bi-directional or unidirectional energy measurement, with direction indication output available