MCP3905A/05L/06A
Energy Metering ICs with Active Real Power Pulse Output
Features Description Supplies active (real) power measurement for
single-phase, residential energy metering Supports IEC 62053 International Energy
Metering Specification and legacy IEC
1036/61036/687 Specifications Two multi-bit, DAC, second-order, 16-bit, DeltaSigma Analog-to-Digital Converters (ADCs) Reduced pulse-width of calibration output
frequency and mechanical counter drive for low
power meter designs (MCP3905L) Increased output frequency constant options for
meter design (MCP3905L) 0.1% typical measurement error over 500:1
dynamic range (MCP3905A / MCP3905L) 0.1% typical measurement error over 1000:1
dynamic range (MCP3906A) Programmable Gain Amplifier (PGA) for small
signal inputs supports low value shunt current
sensor:
-16:1 PGA -MCP3905A / MCP3905L
-32:1 PGA -MCP3906A Ultra-low drift on-chip reference:
15 ppm/В°C (typical) Direct drive for electromagnetic mechanical
counter and two-phase stepper motors Low IDD of 4 mA (typical) Tamper output pin for negative power indication Industrial Temperature Range: -40В°C to +85В°C Extended Temperature Range: -40В°C to +125В°C Supplies instantaneous real power on HFOUT for
meter calibration The MCP3905A/05L/06A devices are energy-metering
ICs designed to support the IEC 62053 international
metering standard specification. They supply a
frequency output proportional to the average active real
power, as well as a higher-frequency output
proportional to the instantaneous power for meter …
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