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Product Information
Product Overview
The MCP3905A-I/SS is an Energy Metering IC with active real power pulse output supporting the IEC 62053 international energy metering specification. The output of the device includes a frequency proportional to the average active (real) power at the inputs as well as a higher frequency output proportional to the instantaneous power for meter calibration. The MCP3905A incorporates two 16-bit delta-sigma ADCs with a programmable gain up to 16, enables small shunt meter designs for measuring a wide range of IB and IMAX currents. The integrated on-chip voltage reference has ultra-low temperature drift of 15ppm/°C.
- Supplies active (real) power measurement for single-phase, residential energy metering
- Supports legacy IEC 1036/61036/687
- Two multi-bit, DAC, second-order, 16-bit, delta-sigma analogue-to-digital converters (ADCs)
- 0.1% Typical measurement error over 500:1 dynamic range
- Programmable gain amplifier (PGA) for small signal inputs supports low value shunt current sensor
- Direct drive for electromagnetic mechanical counter and two-phase stepper motors
- Low IDD of 4mA (typical)
- Tamper output pin for negative power indication
- Supplies instantaneous real power on HFOUT for meter calibration
Applications
Power Management, Metering, Industrial, Automotive
Technical Specifications
Single Phase Energy Metering
5.5V
24Pins
125°C
AEC-Q100
No SVHC (21-Jan-2025)
4.5V
SSOP
-40°C
-
MSL 1 - Unlimited
Technical Docs (2)
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Legislation and Environmental
Country in which last significant manufacturing process was carried outCountry of Origin:United States
Country in which last significant manufacturing process was carried out
RoHS
RoHS
Product Compliance Certificate