Support software
ADS7038-C-EXAMPLE-CODE — ADS7038 example C code
Expedite your embedded design using this example C code for the ADS7038 product family
ADS7038
8-channel, 1-MSPS, 12-bit analog-to-digital converter (ADC) with SPI, GPIOs and CRC
Data sheet
ADS7038
- Small package size:
- WQFN 3mm × 3mm
- 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: 2.35V 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
The ADS7038 is an easy-to-use, 8-channel, multiplexed, 12-bit, 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 through 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 has a built-in cyclic redundancy check (CRC) for data read/write operations and the power-up configuration.
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Technical documentation
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View all 3 | Top documentation | Type | Title | Format options | Date |
|---|---|---|---|---|
| * | Data sheet | ADS7038x Small, 8-Channel, 12-Bit ADC With SPI Interface, GPIOs, and CRC datasheet (Rev. C) | PDF | HTML | 05 Sep 2024 |
| Application note | A Simple, Java-Based CRC Calculator | PDF | HTML | 04 Mar 2026 | |
| Application brief | Resolution-Boosting ADS7138 Using Programmable Averaging Filter | 01 Dec 2019 |
Design & development
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| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| WQFN (RTE) | 16 | Ultra Librarian |
Ordering & quality
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Information included:
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