Description:Analog to Digital Converters - ADC Ultra-high-resolution 4-kSPS 2-ch delta-sigma ADC with PGA for seismic and energy exploration 24-VQFN -40 to 85
Texas Instruments recommends a 4-layer PCB with a solid ground plane, and placing the ADS1283BIRHFT close to the analog signal sources to minimize noise. Additionally, it's recommended to use a separate analog power plane and to decouple the digital and analog power supplies.
To optimize performance in a noisy environment, use a low-pass filter on the analog input, use a shielded cable for the analog input, and consider using a common-mode filter or a differential amplifier to reject common-mode noise. Additionally, ensure that the digital and analog power supplies are well-decoupled and that the PCB layout is optimized for noise reduction.
The maximum sampling rate of the ADS1283BIRHFT is 400 kSPS, but this can be limited by the system's clock frequency, the analog input bandwidth, and the digital interface speed. It's recommended to consult the datasheet and application notes for specific guidance on achieving the maximum sampling rate.
The ADS1283BIRHFT has an internal calibration mechanism that can be triggered through the digital interface. It's recommended to perform a full-scale calibration after power-up and after any changes to the analog input range or gain settings. Additionally, consider performing a system-level calibration to account for any external component tolerances or variations.
The recommended power-up sequence for the ADS1283BIRHFT is to first power up the analog power supply (AVDD), followed by the digital power supply (DVDD), and then the clock signal. This ensures that the analog circuitry is stable before the digital interface is enabled.
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ADS1283BIRHFT Overview
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About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.
