Overview
The ADS1114IRUGR from Texas Instruments is a precision, low-power, 16-bit analog-to-digital converter (ADC) designed for power- and space-constrained sensor measurement applications. This device is part of the ADS111x family, which includes the ADS1113, ADS1114, and ADS1115. The ADS1114IRUGR is offered in ultra-small packages such as the leadless X2QFN-10 and SOT-10, making it ideal for compact designs. It features a wide supply range of 2.0V to 5.5V, low current consumption, and a programmable data rate of 8SPS to 860SPS.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Resolution | - | 16-bit | - | - |
| Data Rate | 8 | - | 860 | SPS |
| Supply Voltage | 2.0 | - | 5.5 | V |
| Current Consumption (Continuous-Conversion Mode) | - | 150 | - | µA |
| Operating Temperature Range | -40 | - | 125 | °C |
| Package Size (X2QFN) | - | 2mm × 1.5mm × 0.4mm | - | - |
| Package Size (SOT) | - | 2.9mm × 2.8mm × 0.6mm | - | - |
| Input Range (PGA) | ±256mV | - | ±6.144V | - |
| Common-Mode Rejection Ratio (CMRR) at DC | 90 | - | 105 | dB |
Key Features
- Ultra-Small Packages: Available in leadless X2QFN-10 and SOT-10 packages, making it suitable for compact designs.
- Wide Supply Range: Operates from 2.0V to 5.5V, providing flexibility in various power environments.
- Low Power Consumption: Consumes only 150µA in continuous-conversion mode, ideal for battery-powered devices.
- Programmable Data Rate: Data rates can be programmed from 8SPS to 860SPS, allowing for adjustable performance based on application needs.
- Programmable Gain Amplifier (PGA): Offers input ranges from ±256mV to ±6.144V, enabling precise measurements of both large and small signals.
- Digital Comparator: Includes a programmable digital comparator for undervoltage and overvoltage detection.
- Internal Low-Drift Voltage Reference and Oscillator: Ensures stable and accurate conversions without the need for external components.
- I2C Interface: Supports I2C communication with four pin-selectable addresses.
Applications
- Sensor Measurement: Ideal for measuring signals from various sensors in industrial, medical, and consumer electronics applications.
- Industrial Automation: Suitable for monitoring and controlling industrial processes where precise and reliable data conversion is crucial.
- Medical Devices: Used in medical devices that require low power consumption and high accuracy, such as patient monitoring systems.
- Consumer Electronics: Applied in consumer electronics like smart home devices, wearables, and other portable electronics.
- Aerospace and Defense: Can be used in aerospace and defense applications where compact, low-power, and high-precision ADCs are necessary.
Q & A
- What is the resolution of the ADS1114IRUGR ADC?
The ADS1114IRUGR has a resolution of 16 bits.
- What are the available package options for the ADS1114IRUGR?
The ADS1114IRUGR is available in leadless X2QFN-10 and SOT-10 packages.
- What is the operating supply voltage range of the ADS1114IRUGR?
The operating supply voltage range is from 2.0V to 5.5V.
- What is the maximum data rate of the ADS1114IRUGR?
The maximum data rate is 860 samples per second (SPS).
- Does the ADS1114IRUGR have a built-in programmable gain amplifier (PGA)?
Yes, the ADS1114IRUGR includes a programmable gain amplifier (PGA).
- What is the purpose of the digital comparator in the ADS1114IRUGR?
The digital comparator is used for undervoltage and overvoltage detection.
- What communication interface does the ADS1114IRUGR support?
The ADS1114IRUGR supports the I2C interface with four pin-selectable addresses.
- What is the typical current consumption of the ADS1114IRUGR in continuous-conversion mode?
The typical current consumption is 150µA in continuous-conversion mode.
- What is the operating temperature range of the ADS1114IRUGR?
The operating temperature range is from –40°C to +125°C.
- What types of applications is the ADS1114IRUGR suitable for?
The ADS1114IRUGR is suitable for sensor measurement, industrial automation, medical devices, consumer electronics, and aerospace and defense applications.
