The AD7820CQ is an integrated circuit (IC) component developed by Analog Devices. It is a 8-bit successive approximation analog-to-digital converter (ADC) that offers high-speed conversion and low power consumption. The IC is designed specifically for use in various precision measurement applications.
Key Features of AD7820CQ:
1. 8-bit Resolution: The AD7820CQ offers 8-bit digital output, which provides reasonable accuracy for many applications.
2. Successive Approximation Conversion: It utilizes the successive approximation technique for conversion of analog input signals to digital output.
3. High-Speed Conversion: The converter can perform conversions at a maximum speed of 23 µs, enabling real-time data acquisition.
4. Single-Supply Operation: The IC operates with a single power supply, typically ranging from +2.7V to +5.5V.
5. Low Power Consumption: With a power supply voltage of +5V, the AD7820CQ consumes only 3 mW of power during normal operation.
6. Differential Analog Inputs: It features two differential analog input channels, allowing for measurement of differential signals.
7. Internal Reference Voltage: The IC incorporates a built-in reference voltage generator, eliminating the need for an external reference source.
8. SPI-Compatible Interface: The AD7820CQ includes a serial peripheral interface (SPI) for communication with microcontrollers or other digital devices
