Overview
The DAC8831ICD is a 16-bit, ultra-low power, voltage-output digital-to-analog converter (DAC) produced by Texas Instruments. This device operates from a single power supply ranging from 2.7 V to 5.5 V and is known for its high accuracy, low noise, and fast settling time. The DAC8831ICD is packaged in a 14-pin SOIC (D) package and features a standard high-speed SPI serial interface, making it suitable for a variety of applications requiring precise analog output.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 16 | bits |
| Power Supply Voltage | 2.7 to 5.5 | V |
| Power Consumption (at 3 V) | 15 | μW |
| Linearity Error (INL) | ±1 | LSB |
| Noise | 10 | nV/Hz |
| Settling Time | 1.0 | μs |
| SPI Interface Speed | up to 50 MHz | |
| Operating Temperature Range | -40 to +85 | °C |
| Output Impedance | 6.25 | kΩ |
| Output Range (Unipolar) | 0 to +VREF | V |
| Output Range (Bipolar) | ±VREF | V |
Key Features
- 16-bit resolution with high accuracy (INL: ±1 LSB)
- Ultra-low power consumption (15 μW at 3 V power)
- Low noise (10 nV/Hz) and fast settling time (1.0 μs)
- Fast SPI interface up to 50 MHz
- Reset to zero-code after power-up
- Schmitt-trigger inputs for direct optocoupler interface
- Industry-standard pin configuration
- Kelvin sense connections for external reference and analog ground
Applications
- Portable Equipment
- Automatic Test Equipment
- Industrial Process Control
- Data Acquisition Systems
- Optical Networking
Q & A
- What is the resolution of the DAC8831ICD?
The DAC8831ICD has a 16-bit resolution.
- What is the power supply voltage range for the DAC8831ICD?
The power supply voltage range is from 2.7 V to 5.5 V.
- How much power does the DAC8831ICD typically consume at 3 V power?
The DAC8831ICD typically consumes 15 μW at 3 V power.
- What is the settling time of the DAC8831ICD?
The settling time is 1.0 μs to 1/2 LSB of full-scale output.
- What is the maximum speed of the SPI interface for the DAC8831ICD?
The SPI interface can operate up to 50 MHz.
- Does the DAC8831ICD have a power-on reset function?
- What are the output ranges for the DAC8831ICD in unipolar and bipolar modes?
In unipolar mode, the output range is 0 V to +VREF. In bipolar mode, the output range is ±VREF.
- What type of package is the DAC8831ICD available in?
The DAC8831ICD is available in a 14-pin SOIC (D) package and also in a QFN-14 package.
- What are some common applications for the DAC8831ICD?
Common applications include portable equipment, automatic test equipment, industrial process control, data acquisition systems, and optical networking.
- Does the DAC8831ICD support Kelvin sense connections?
