MCP3903

www.DataSheet.co.kr MCP3903 Six Channel Delta Sigma A/D Converter Features Six Synchronous Sampling 16/24-bit Resolution Delta-Sigma A/D Converters with Proprietary Multi-Bit Architecture 91 dB SINAD, -100 dBc Total Harmonic Distortion (THD) (up to 35th harmonic), 102 dB Spurious-free Dynamic Range (SFDR) for Each Channel Programmable Data Rate up to 64 ksps Ultra Low-Power Shutdown Mode with <2 μA -115 dB Crosstalk Between any Two Channels Low Drift Internal Voltage Reference: 5 ppm/°C Differential Voltage Reference Input Pins High Gain PGA on Each Channel (up to 32 V/V) Phase Delay Compensation Between Each Pair of Channels with 1 μs Time Resolution High-Speed Addressable 10 MHz SPI Interface with Mode 0,0 and 1,1 Compatibility Independent Analog and Digital Power Supplies 4.5V - 5.5V AVDD, 2.7V - 3.6V DVDD Available in Small 28-lead SSOP Package Extended Temperature Range: -40°C to +125°C Description The MCP3903 is a six-channel Analog Front End (AFE) containing three pairs made out of two synchronous sampling Delta-Sigma Analog-to-Digital Converters (ADC) with PGA, a phase delay compensation block, internal voltage reference, and high-speed 10 MHz SPI compatible serial interface. The converters contain a proprietary dithering algorithm for reduced idle tones and improved THD. The internal register map contains 24-bit wide ADC data words, a modulator output register as well as six 24-bit writable control registers to program gain, over-sampling ...