ADS1015-Q1

The ADS1015-Q1 is a high-precision, low-power 12-bit analog-to-digital converter (ADC) designed for automotive and industrial applications requiring reliable data acquisition. It features four differential or eight single-ended input channels, allowing flexible signal conditioning from various sensors such as temperature, pressure, or current transducers. The device supports a programmable gain amplifier (PGA) with gains of 2/3, 1, 2, 4, 8, and 16, enabling measurement of small differential voltages with improved resolution. Built on Texas Instruments’ proven CMOS process, the ADS1015-Q1 operates from a supply voltage range of 2.0 V to 5.5 V, making it compatible with both 3.3 V and 5 V systems. Its low quiescent current—typically 140 µA in normal mode and just 1.9 µA in shutdown mode—makes it ideal for power-sensitive applications like battery-powered sensor nodes and remote monitoring systems. The device communicates via a standard I²C-compatible interface, supporting up to 400 kHz clock speed for efficient integration into existing embedded systems. This ADC includes a built-in comparator that can trigger an interrupt when the input voltage crosses a user-defined threshold, reducing host processor load by enabling event-driven sampling. It also offers configurable conversion modes—including continuous and single-shot modes—to optimize performance based on application needs. The internal 10-bit digital-to-analog converter (DAC) allows for precise reference voltage setting, enhancing accuracy across varying environmental conditions. Designed for robustness in harsh environments, the ADS1015-Q1 meets AEC-Q100 Grade 1 qualification standards, ensuring reliability under extended temperature ranges from –40°C to +125°C. This makes it suitable for demanding automotive applications such as engine control units, battery management systems, and telematics modules. In industrial settings, it supports precision measurements in automation, process control, and energy metering equipment where long-term stability and minimal drift are critical. With its compact 16-pin MSOP package and low cost, the ADS1015-Q1 provides a scalable solution for multi-channel analog sensing without compromising on performance or durability. Its combination of high resolution, low power consumption, and automotive-grade reliability positions it as a preferred choice for engineers developing next-generation smart sensing systems.