Texas Instruments recommends a 4-layer PCB with a solid ground plane, and to keep the analog and digital grounds separate. The analog and digital power supplies should also be decoupled with 10uF and 100nF capacitors, respectively. Additionally, the input and output traces should be kept short and away from digital signals.
To optimize performance in a multi-ADC system, ensure that each ADC has its own analog power supply and ground plane. Use a star-ground configuration to minimize noise coupling between ADCs. Also, consider using a common mode filter or a ferrite bead to reduce noise and electromagnetic interference (EMI).
The maximum sampling rate of the ADS8691IPWR is 1 MSPS. As the sampling rate increases, the power consumption also increases. At 1 MSPS, the typical power consumption is around 35 mW. However, at lower sampling rates, the power consumption decreases, making it suitable for low-power applications.
The ADS8691IPWR outputs 16-bit digital data in a serial format. The data is transmitted in a 16-bit word, with the most significant bit (MSB) first. The output data can be handled using a microcontroller or a digital signal processor (DSP) that can receive and process the serial data.
The ADS8691IPWR operates over a temperature range of -40°C to 125°C. The device's performance may degrade at extreme temperatures, with a decrease in accuracy and an increase in noise. However, the device is designed to maintain its specifications over the entire temperature range.
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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.
