ADS7038

Product Folder Order Now Technical Documents Tools & Software Support & Community ADS7038 SBAS979A – JUNE 2019 – REVISED DECEMBER 2019 ADS7038 Small, 8-Channel, 12-Bit ADC With SPI Interface, GPIOs, and CRC 1 Features 1 Small package size: – WQFN 3 mm × 3 mm 8 channels configurable as any combination of: – Up to 8 analog inputs, digital inputs, or digital outputs GPIOs for I/O expansion: – Open-drain, push-pull digital outputs Analog watchdog: – Programmable thresholds per channel – Event counter for transient rejection Wide operating ranges: – AVDD: 2.35 V to 5.5 V – DVDD: 1.65 V to 5.5 V – –40°C to +125°C temperature range Enhanced-SPI digital interface: – High-speed, 60-MHz interface – Achieve full throughput with >13.5-MHz SPI CRC for read/write operation: – CRC on data read/write – CRC on power-up configuration Programmable averaging filters: – Programmable sample size for averaging – Averaging with internal conversions – 16-bit resolution 2 Applications Macro remote radio units (RRU) Battery management systems (BMS) String inverters Central inverters 3 Description The ADS7038 is an easy-to-use, 8-channel, multiplexed, 12-bit, 1-MSPS, successive approximation register analog-to-digital converter (SAR ADC). The eight channels can be independently configured as either analog inputs, digital inputs, or digital outputs. The device has an internal oscillator for the ADC conversion process. The ADS7038 communicates via an SPI-compatible interface...