MCP3910
3V Two-Channel Analog Front End
Features: Description: Two Synchronous Sampling 24-bit Resolution
Delta-Sigma A/D Converters 93.5 dB SINAD, -107 dBc Total Harmonic
Distortion (THD) (up to 35th harmonic), 112 dB
Spurious-Free Dynamic Range (SFDR) for Each
Channel Flexible Serial Interface that Includes Both SPI
and a Simple 2-Wire Interface Ideal for Polyphase
Shunt Energy Meters Enables 0.1% Typical Active Power Measurement
Error over a 10,000:1 Dynamic Range Advanced Security Features:
-16-bit Cyclic Redundancy Check (CRC)
Checksum on All Communications for Secure
Data Transfers
-16-bit Cyclic Redundancy Check (CRC)
Checksum and Interrupt Alert for RegisterMap 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 ВµA -122 dB Crosstalk between Channels Low Drift 1.2V Internal Voltage Reference:
9 ppm/В°C Differential Voltage Reference Input Pins High-Gain Programmable Gain Amplifier (PGA)
on Each Channel (up to 32 V/V) Phase Delay Compensation with 1 Вµs Time
Resolution Separate Data Ready Pin for Easy
Synchronization Individual 24-bit Digital Offset and Gain Error
Correction for Each Channel High-Speed 20 MHz SPI Interface with Mode 0,0 …
