Overview
The ADS1015IRUGR, produced by Texas Instruments, is a precision, low-power, 12-bit analog-to-digital converter (ADC) designed for power- and space-constrained sensor measurement applications. This device is part of the ADS101x family, which includes the ADS1013 and ADS1014. The ADS1015 is offered in an ultra-small, leadless X2QFN-10 package and a VSSOP-10 package, making it ideal for compact and efficient system designs.
The ADS1015 incorporates several key features, including a low-drift voltage reference, an internal oscillator, and a programmable gain amplifier (PGA). It also includes a digital comparator and supports both continuous-conversion and single-shot modes, significantly reducing power consumption during idle periods.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 12 bits | |
| Supply Voltage Range | 2.0 V to 5.5 V | V |
| Current Consumption (Continuous-Conversion Mode) | 150 µA | µA |
| Programmable Data Rate | 128 SPS to 3.3 kSPS | SPS |
| Operating Temperature Range | –40°C to +125°C | °C |
| Package Dimensions | 2 mm × 1.5 mm × 0.4 mm | mm |
| Input Types | Four single-ended or two differential inputs | |
| I2C Interface | Four pin-selectable addresses |
Key Features
- Ultra-small X2QFN package: 2 mm × 1.5 mm × 0.4 mm
- 12-bit noise-free resolution
- Wide supply range: 2.0 V to 5.5 V
- Low current consumption: 150 µA in continuous-conversion mode
- Programmable data rate: 128 SPS to 3.3 kSPS
- Single-cycle settling
- Internal low-drift voltage reference and oscillator
- I2C interface with four pin-selectable addresses
- Four single-ended or two differential inputs
- Programmable gain amplifier (PGA) with input ranges from ±256 mV to ±6.144 V
- Programmable comparator for under- and overvoltage detection
Applications
- Portable instrumentation
- Battery voltage and current monitoring
- Temperature measurement systems
- Consumer electronics
- Factory automation and process control
Q & A
- What is the resolution of the ADS1015?
The ADS1015 has a 12-bit resolution.
- What is the supply voltage range for the ADS1015?
The supply voltage range is from 2.0 V to 5.5 V.
- How much current does the ADS1015 consume in continuous-conversion mode?
The current consumption is 150 µA in continuous-conversion mode.
- What are the programmable data rates for the ADS1015?
The programmable data rates range from 128 SPS to 3.3 kSPS.
- What types of inputs does the ADS1015 support?
The ADS1015 supports four single-ended or two differential inputs.
- Does the ADS1015 have an internal oscillator and voltage reference?
- What is the operating temperature range of the ADS1015?
The operating temperature range is from –40°C to +125°C.
- Can the ADS1015 operate in single-shot mode?
- What is the purpose of the programmable comparator in the ADS1015?
The programmable comparator is used for under- and overvoltage detection.
- How does the ADS1015 reduce power consumption during idle periods?
The device is automatically powered down after one conversion in single-shot mode, significantly reducing power consumption during idle periods.
