Manufacturer Part Number
ADS1015AQDGSRQ1
Manufacturer
Texas Instruments
Introduction
The ADS1015AQDGSRQ1 is an automotive-grade, precision, low-power, 12-bit analog-to-digital converter (ADC) with an integrated multiplexer, programmable gain amplifier, and internal reference.
Product Features and Performance
12-bit resolution
Sampling rate of 3.3k samples per second
Configurable as 2 differential or 4 single-ended inputs
I2C data interface for easy communication with microcontrollers
Multiplexer (MUX), Programmable Gain Amplifier (PGA), and ADC integrated in one chip
Sigma-Delta architecture provides noise filtering and high data accuracy
Internal voltage reference for consistent performance
Supports a wide analog supply range of 2V to 5.5V
Supports a wide digital supply range of 2V to 5.5V
Selectable I2C address for multiple devices on the same bus
Able to operate across an extended temperature range from -40°C to 125°C
Product Advantages
Designed for automotive applications with high reliability
Offers programmable gains for small signal measurements with high precision
Low power consumption suitable for battery-powered applications
Wide operating voltage range allows flexibility in various power environments
Suitable for harsh temperature environments
Simplifies system design with internal reference reducing external components
Key Technical Parameters
Number of Bits: 12-bit
Sampling Rate (Per Second): 3.3k
Number of Inputs: 2, 4
Input Type: Differential, Single Ended
Data Interface: I2C
Configuration: MUX-PGA-ADC
Number of A/D Converters: 1
Architecture: Sigma-Delta
Reference Type: Internal
Voltage - Supply, Analog: 2V ~ 5.5V
Voltage - Supply, Digital: 2V ~ 5.5V
Features: PGA, Selectable Address
Operating Temperature: -40°C ~ 125°C
Quality and Safety Features
Automotive-grade (AEC-Q100 qualified) for high reliability
Extended temperature range for use in extreme conditions
Internal reference ensures accuracy over time and temperature
Compatibility
Compatible with a wide variety of microcontrollers via I2C interface
Flexible supply voltage compatible with many digital systems
Application Areas
Automotive applications
Battery monitoring systems
Portable instrumentation
Power supply monitoring
Temperature sensing systems
Product Lifecycle
Obsolete status suggests it is no longer in active production
May not have readily available replacements or upgrades
Potential need to seek alternative products for new designs
Several Key Reasons to Choose This Product
High level of integration reduces system design complexity
Precision ADC suitable for measurement-critical applications
Automotive qualification means it meets stringent quality standards
Low power consumption is ideal for portable and automotive applications
Flexible I2C interface ensures compatibility with a wide range of microcontrollers
Internal reference provides stable performance without external components
Built to operate reliably in harsh environmental conditions
