Microchip | MCP3901A0T-I/SS

The MCP3901A0T-I/SS is a dual channel analog front end (AFE) device which containing two synchronous sampling delta-sigma Analog-to-Digital Converters (ADC), two PGAs, phase delay compensation block, internal voltage reference, modulator output block, and high-speed 20 MHz SPI compatible serial interface.

Features:

• Two synchronous sampling 16/24-bit resolution Delta-Sigma A/D Converters with proprietary multi-bit architecture
• 91 dB SINAD, -104 dBc THD (up to 35th harmonic), 109 dB SFDR for each channel
• Programmable data rate up to 64 ksps
• Ultra low power shutdown mode with <2 μA
• -133 dB Crosstalk between the two channels
• Low Drift Internal Voltage Reference: 12 ppm/°C
• Differential Voltage Reference Input Pins
• High Gain PGA on each channel (up to 32 V/V)
• Phase Delay Compensation between the two channels with 1 μs time resolution
• Separate Modulator outputs for each channel
• High-Speed Addressable 20 MHz SPI Interface with Mode 0,0 and 1,1 Compatibility
• Independent analog and digital power supplies 4.5V - 5.5V AVDD, 2.7V - 5.5V DVDD
• Low Power consumption: (14 mW typical at 5V)
• Available in small 20-lead SSOP package
• Industrial Temperature Range: -40°C to +85°C

Applications:

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