Microchip | MCP3903-E/SS

The MCP3903-E/SS is a six channel analog front end, ideal for three phase energy measurement, power monitoring, and other applications requiring multiple high accuracy ADCs.

It features high accuracy 16/24-bit delta-sigma A/D converters, internal programmable gain amplifiers, an internal voltage reference, and phase-delay compensation with up to 91 dB SINAD.

Features and Benefits:

• 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

Applications:

• Energy Metering and Power Measurement
• Portable Instrumentation
• Medical and Power Monitoring