Texas Instruments ADS7038/ADS7038-Q1 12-Bit ADCs
Texas Instruments ADS7038/ADS7038-Q1 12-Bit Analog-to-Digital Converters (ADCs) are an easy-to-use, 8-channel, multiplexed, 12-bit, 1MSPS, successive approximation register analog-to-digital converters (SAR ADCs). 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/ADS7038-Q1 communicates via an SPI-compatible interface and operates in either autonomous or single-shot conversion mode. The ADS7038 implements the analog watchdog function by event-triggered interrupts per channel using a digital window comparator with programmable high and low thresholds, hysteresis, and an event counter. The ADS7038/ADS7038-Q1 has a built-in cyclic redundancy check (CRC) for data read/write operations and the power-up configuration. The Texas Instruments ADS7038-Q1 devices are AEC-Q100 qualified for automotive applications.
Features
- Small package size
- WQFN 3mm×3mm
- Eight channels configurable as any combination of
- Up to eight 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: 2.35V to 5.5V
- DVDD: 1.65V to 5.5V
- –40°C to +125°C temperature range
- Enhanced-SPI digital interface
- High-speed, 60MHz interface
- Achieve full throughput with > 13.5MHz 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
Applications
- Macro remote radio units (RRU)
- Battery management systems (BMS)
- String inverters
- Central inverters
Datasheets
Functional Block Diagram
Related Development Tools
Texas Instruments ADS7038Q1EVM-PDK Performance Demonstration Kit
Fully-assembled platform designed to highlight the ADS7038-Q1 features and modes of operation.
Texas Instruments BP-ADS7128 BoosterPack™ Evaluation Module (EVM)
Plug-in module that is a platform for evaluating the performance of the SAR ADC, ADS7128.