onsemi

FSDM311

The FSDM311 is a high-performance, fully integrated, single-channel digital output sigma-delta modulator from ON Semiconductor. It is designed for use in precision analog-to-digital conversion applications, such as pressure, temperature, and humidity sensing.

Description:

The FSDM311 is a monolithic, integrated circuit that converts an analog input signal into a digital output signal using a sigma-delta modulation technique. It features a low-noise, high-resolution design that provides excellent linearity and stability over a wide range of input signals.

Features:

• Single-channel, digital output sigma-delta modulator
• Low-noise, high-resolution design
• Wide input voltage range: 0.5V to 5.5V
• Programmable gain amplifier (PGA) with four selectable gain settings
• On-chip oscillator for clock generation
• I2C compatible serial interface for easy integration with microcontrollers
• Low power consumption: 1.8V supply voltage, 1.8mA typical supply current
• Small package size: 5mm x 5mm, 24-pin QFN package

Applications:

The FSDM311 is suitable for a wide range of precision analog-to-digital conversion applications, including:

• Pressure sensing in industrial and automotive applications
• Temperature sensing in environmental monitoring systems
• Humidity sensing in weather stations and climate control systems
• Strain gauge measurement in structural health monitoring
• pH measurement in water quality monitoring systems
• Flow rate measurement in liquid and gas flow applications

In summary, the FSDM311 is a high-performance, fully integrated sigma-delta modulator that offers excellent linearity, stability, and resolution for precision analog-to-digital conversion applications. Its low power consumption, small package size, and I2C compatibility make it an ideal choice for a wide range of sensing applications.