Microchip Technology, Inc. Data Acquisition - Analog Front End (AFE) MCP3901T-I/SS

The MCP3901T-I/SS is a dual-channel Analog Front End (AFE) designed for high-performance data acquisition applications. It features two synchronous sampling Delta-Sigma Analog-to-Digital Converters (ADCs) with 16/24-bit resolution, achieving a Signal-to-Noise and Distortion Ratio (SINAD) of 91 dB and a Total Harmonic Distortion (THD) of -104 dBc. Each channel supports a programmable data rate of up to 64 ksps and includes a high-gain Programmable Gain Amplifier (PGA) with gains up to 32 V/V. The device operates with low power consumption, typically consuming 14 mW at 5V, and includes an ultra-low-power shutdown mode drawing less than 2 ¬µA. It offers excellent crosstalk performance of -133 dB between channels and features a low drift internal voltage reference with a temperature coefficient of 12 ppm/¬8C. The MCP3901T-I/SS is compatible with a variety of voltage and current sensors, making it suitable for applications in energy metering, automotive, portable instrumentation, and medical power monitoring. The product is available in a compact 20-lead SSOP package and operates over an industrial temperature range of -40¬8C to +85¬8C, with an extended range option up to +125¬8C. Its high-speed 20 MHz SPI interface facilitates easy integration with microcontrollers, enhancing its usability in various embedded systems.