DESCRIPTION

The SAMES SA2002P provides a single chip solution for single phase mechanical counter based energy meters. A precision oscillator, that replaces an external crystal is integrated on chip.

FEATURES


Provides a single chip solution for energy meters with a mechanical display

No external crystal or resonator required

Precision on chip oscillator (<60ppm/°C drift)

Direct stepper motor/impulse counter drive

Calibration and setup stored on external EEPROM - no trimpots required

Flexible programmable features

Unidirectional and bi-directional power and energy measurement

Can measure AC or DC energy.

Meets the IEC 61036 Specification for Class 1 AC Watt hour meters

Less than 1% error over a dynamic range of 1:1000

Protected against ESD

Total power consumption rating below 30mW

Adaptable to different types of sensors

Operates over a wide temperature range

Precision voltage reference on-chip (<100ppm/°C drift)