Overview
The ADS1015IDGST from Texas Instruments is a 12-bit, delta-sigma analog-to-digital converter (ADC) designed for high precision and low power consumption. This device is part of the ADS101x family, which includes the ADS1013 and ADS1014, but the ADS1015 stands out with its ability to handle four single-ended or two differential inputs. It features an internal low-drift voltage reference, an internal oscillator, and an I2C interface with four pin-selectable addresses. The ADS1015 is particularly useful in power- and space-constrained sensor measurement applications due to its ultra-small package options and wide operating supply range of 2.0V to 5.5V.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 12 |
| Sampling Rate | 128 SPS to 3.3 kSPS |
| Number of Inputs | 4 single-ended or 2 differential |
| Input Type | Differential, Single Ended |
| Data Interface | I2C |
| Supply Voltage | 2.0V to 5.5V |
| Current Consumption | 150 μA (continuous-conversion mode) |
| Operating Temperature Range | –40°C to +125°C |
| Package Type | X2QFN, SOT, VSSOP-10 |
| Package Dimensions | X2QFN: 1.5mm × 2mm × 0.4mm, SOT: 2.9mm × 2.8mm × 0.6mm |
Key Features
- Ultra-small packages: X2QFN, SOT, and VSSOP-10
- Noise-free 12-bit resolution
- Wide supply range: 2.0V to 5.5V
- 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 internal oscillator
- I2C interface with four pin-selectable addresses
- Programmable gain amplifier (PGA) and programmable digital comparator
- Input multiplexer allowing measurement of four single-ended or two differential signals
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 are the available sampling rates for the ADS1015?
The sampling rates range from 128 SPS to 3.3 kSPS. - How many inputs does the ADS1015 support?
The ADS1015 supports four single-ended or two differential inputs. - What is the supply voltage range for the ADS1015?
The supply voltage range is from 2.0V to 5.5V. - What is the current consumption of the ADS1015 in continuous-conversion mode?
The current consumption is 150 μA. - What types of packages are available for the ADS1015?
The available packages include X2QFN, SOT, and VSSOP-10. - Does the ADS1015 have an internal voltage reference and oscillator?
Yes, the ADS1015 includes an internal low-drift voltage reference and an internal oscillator. - What is the operating temperature range of the ADS1015?
The operating temperature range is from –40°C to +125°C. - What interface does the ADS1015 use for data communication?
The ADS1015 uses an I2C interface. - Does the ADS1015 have a programmable gain amplifier (PGA) and digital comparator?
Yes, the ADS1015 includes a PGA and a programmable digital comparator.
