ADS7138
Description
The ADS7138 is an easy-to-use, 8-channel, multiplexed, 12-bit, successive approximation register analog-to-digital converter (SAR ADC).
Key Features
- 1 Small package size: – 3-mm × 3-mm WQFN
- 8 channels configurable as any bination 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
- CRC for read/write operations: – CRC on data read/write – CRC on power-up configuration
- I2C interface: – Up to 3.4 MHz (high-speed mode) – 8 configurable I2C addresses
Applications
- Automotive center information displays
