Microchip MCP3918 24-Bit, 125kSPS, Single Channel AFE

Technical Specification

Features:

Make: Microchip
Model code: MCP3918
Type: Energy Meter Analog Front End
No. of input: 1
Sampling rate: 125 kSPS Max

Additional info:

Enables 0.1% Typical Active Power Measurement Error over a 10,000:1 Dynamic Range 93.5 dB SINAD, -106.5 dBc THD 2.7V - 3.6V AVDD, DVDD Programmable Data Rate up to 125 ksps- 4 MHz Maximum Sampling Frequency Oversampling Ratio up to 4096 Ultra Low Power Shutdown Mode with <2 µA Low Drift 1.2V Internal Voltage Reference: 9 ppm/°C Differential Voltage Reference Input Pins Flexible serial interface that includes both SPI and a simple 2-wire interface ideal for polyphase shunt energy meters Phase Delay Compensation with 1 µs Time Resolution Separate Data Ready Pin for Easy Synchronization 24-bit Digital Offset and Gain Error Correction High Gain PGA (up to 32V/V) High-Speed 20 MHz SPI Interface with Mode 0,0 and 1,1 Compatibility Low Power Consumption Continuous Read/Write Modes for Minimum Communication Available in Small 20-lead QFN and SSOP Packages AEC-Q100 Grade 1

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Make	Microchip
Manufacturer	Microchip Technology Inc.
Category	Transmission and Distribution>Electric Meters & Metering Equipment
Model code	MCP3918
Type	Energy Meter Analog Front End
No. of input	1
Sampling rate	125 kSPS Max
Additional info	Enables 0.1% Typical Active Power Measurement Error over a 10,000:1 Dynamic Range 93.5 dB SINAD, -106.5 dBc THD 2.7V - 3.6V AVDD, DVDD Programmable Data Rate up to 125 ksps- 4 MHz Maximum Sampling Frequency Oversampling Ratio up to 4096 Ultra Low Power Shutdown Mode with <2 µA Low Drift 1.2V Internal Voltage Reference: 9 ppm/°C Differential Voltage Reference Input Pins Flexible serial interface that includes both SPI and a simple 2-wire interface ideal for polyphase shunt energy meters Phase Delay Compensation with 1 µs Time Resolution Separate Data Ready Pin for Easy Synchronization 24-bit Digital Offset and Gain Error Correction High Gain PGA (up to 32V/V) High-Speed 20 MHz SPI Interface with Mode 0,0 and 1,1 Compatibility Low Power Consumption Continuous Read/Write Modes for Minimum Communication Available in Small 20-lead QFN and SSOP Packages AEC-Q100 Grade 1
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