MCP3909 Series

16-Bit Energy Metering ADC

Catalog

16-Bit Energy Metering ADC

Part	Input Impedance	Meter Type	Mounting Type	Voltage - I/O High [custom]	Operating Temperature [Max]	Operating Temperature [Min]	Package / Case	Voltage - I/O Low	Measurement Error	Supplier Device Package	Voltage - Supply [Min]	Voltage - Supply [Max]	Current - Supply	Supplied Contents	Utilized IC / Part	Function	Type
Microchip Technology MCP3909T-I/SS	390 kOhm	Single Phase	Surface Mount	2.4 V	85 °C	-40 °C	24-SSOP	0.85 V	0.1 %	24-SSOP	4.5 V	5.5 V	2.3 mA
Microchip Technology MCP3909RD-3PH1														Board(s)	MCP3909 PIC18F2520 PIC18F4550	Energy/Power Meter	Power Management
Microchip Technology MCP3909T-E/SS	390 kOhm	Single Phase	Surface Mount	2.4 V	125 °C	-40 °C	24-SSOP	0.85 V	0.1 %	24-SSOP	4.5 V	5.5 V	2.3 mA
Microchip Technology MCP3909RD-3PH3														Accessories Board(s)	MCP3909 PIC18F2520 PIC18F4550	Energy/Power Meter	Power Management
Microchip Technology MCP3909-I/SS	390 kOhm	Single Phase	Surface Mount	2.4 V	85 °C	-40 °C	24-SSOP	0.85 V	0.1 %	24-SSOP	4.5 V	5.5 V	2.3 mA

Catalog

16-Bit Energy Metering ADC

Key Features

• * 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, Delta-Sigma Analog-to-Digital Converters (ADCs)

• * Ultra-low drift on-chip reference: 15 ppm/°C (typ.)

• * Low IDD of 4 mA (typ.)

• * Active power pulse output

• * SPI™ interface for access to raw ADC and multiplier data

• * AEC-Q100 Grade 1

Description

The MCP3909 is an energy measurement IC 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 simultaneous serial SPI interface to access the ADC channels and multiplier output data. The MCP3909 supports a dynamic range of 1000:1 and incorporates two 16-bit delta-sigma ADCs with a programmable gain up to 16. The output waveform data is available at up to 14 kHz with 16-bit ADC output and 20-bit multiplier output data. The integrated on-chip voltage reference has an ultra-low temperature drift of 15 ppm/°C.