MCP3918

MCP3918 3V Single-Channel Analog Front End Features: One 24-Bit Resolution Delta-Sigma A/D Converter 93.5 dB SINAD, -107 dBc Total Harmonic Distortion (THD) (up to 35th harmonic), 112 dB Spurious-Free Dynamic Range (SFDR) Flexible Serial Interface that Includes Both SPI and a Simple Two-Wire Interface Ideal for Polyphase Shunt Energy Meters Advanced Security Features: - 16-Bit Cyclic Redundancy Check (CRC) Checksum on All Communications for Secure Data Transfers - 16-Bit CRC Checksum and Interrupt Alert for Register Map Configuration - Register Map Lock with 8-Bit Secure Key 2.7V-3.6V AVDD, DVDD Programmable Data Rate, Up to 125 ksps: - 4 MHz Maximum Sampling Frequency - 16 MHz Maximum Master Clock Oversampling Ratio, Up to 4096 Ultra Low-Power Shutdown Mode with < 10 µA Low-Drift 1.2V Internal Voltage Reference: 9 ppm/°C Differential Voltage Reference Input Pins High-Gain Programmable Gain Amplifier (PGA) (up to 32 V/V) Phase Delay Compensation with 1 µs Time Resolution Separate Data Ready Pin for Easy Synchronization Individual 24-Bit Digital Offset and Gain Error Correction High-Speed 20 MHz SPI Interface with Mode 0,0 and 1,1 Compatibility Continuous Read/Write Modes for Minimum Communication with Dedicated 16-/32-Bit Modes Available in 20-Lead QFN and SSOP Packages Extended Temperature Range: -40°C to +125°C (all specifications are valid down to -45°C) Description: The MCP3918 is a 3V single-channel Analog Front End (AFE), containing...