Overview
The ADS1115IRUGT from Texas Instruments is a precision, low-power, 16-bit analog-to-digital converter (ADC) designed for a wide range of applications. This delta-sigma ADC features a high level of integration, including a programmable gain amplifier (PGA), an internal low-drift voltage reference, an oscillator, and a digital comparator. It is available in ultra-small packages such as X2QFN and SOT, making it ideal for power- and space-constrained sensor measurement applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 16 | Bits |
| Data Rate | 8 to 860 | SPS |
| Supply Voltage | 2.0 to 5.5 | V |
| Current Consumption | 150 | μA (continuous-conversion mode) |
| Operating Temperature Range | –40 to +125 | °C |
| Package Types | X2QFN, SOT, VSSOP | |
| Input Channels | Four single-ended or two differential | |
| I2C Interface | Four pin-selectable addresses | |
| PGA Input Ranges | ±256mV to ±6.144V |
Key Features
- Ultra-small packages: Available in X2QFN (2mm × 1.5mm × 0.4mm) and SOT (2.9mm × 2.8mm × 0.6mm) packages.
- Wide supply range: Operates from 2.0V to 5.5V.
- Low current consumption: 150μA in continuous-conversion mode.
- Programmable data rate: From 8SPS to 860SPS.
- Internal components: Includes a low-drift voltage reference, an oscillator, a PGA, and a digital comparator.
- I2C interface: With four pin-selectable addresses.
- Input multiplexer (MUX): Allows two differential or four single-ended input measurements.
- Single-cycle settling: Ensures fast and accurate conversions.
Applications
- Portable instrumentation: Ideal for handheld and battery-powered devices.
- Battery voltage and current monitoring: Suitable for monitoring battery health in various systems.
- Temperature measurement systems: Can be used in thermocouple and thermistor-based temperature measurement systems.
- Consumer electronics: Used in various consumer devices requiring precise analog-to-digital conversion.
- Factory automation and process control: Useful in industrial settings for sensor measurements and control systems.
Q & A
- What is the resolution of the ADS1115IRUGT?
The ADS1115IRUGT has a resolution of 16 bits. - What are the available data rates for the ADS1115IRUGT?
The data rates range from 8SPS to 860SPS. - What is the supply voltage range for the ADS1115IRUGT?
The supply voltage range is from 2.0V to 5.5V. - How many input channels does the ADS1115IRUGT have?
The ADS1115IRUGT has four single-ended or two differential input channels. - What is the current consumption of the ADS1115IRUGT in continuous-conversion mode?
The current consumption is 150μA in continuous-conversion mode. - Does the ADS1115IRUGT have an internal oscillator?
Yes, it includes an internal oscillator. - What is the operating temperature range of the ADS1115IRUGT?
The operating temperature range is from –40°C to +125°C. - What types of packages are available for the ADS1115IRUGT?
The ADS1115IRUGT is available in X2QFN, SOT, and VSSOP packages. - Does the ADS1115IRUGT support I2C communication?
Yes, it supports I2C communication with four pin-selectable addresses. - What are the PGA input ranges for the ADS1115IRUGT?
The PGA input ranges are from ±256mV to ±6.144V.
