Overview
The DAC8831IBRGYT is a 16-bit, ultra-low power, voltage-output digital-to-analog converter (DAC) manufactured by Texas Instruments. This device operates on a single supply voltage ranging from 2.7 V to 5.5 V, making it versatile for various applications. The DAC8831 is known for its high resolution and precision, offering both unipolar and bipolar output configurations. It features a serial interface for data input, which is compatible with SPI protocols, and is packaged in a 14-pin QFN package for compact and efficient design integration.
Key Specifications
| Parameter | Conditions | Min | Max | Unit | |
|---|---|---|---|---|---|
| Resolution | - | 16 | - | - | bits |
| Linearity Error | - | ±0.5 | - | ±2 | LSB |
| Differential Linearity Error | - | ±0.5 | - | ±1 | LSB |
| Gain Error | TA = –40°C to +85°C | ±2 | - | ±7 | LSB |
| Gain Drift | TA = +25°C | ±0.1 | - | ±0.25 | ppm/°C |
| Zero Code Error | TA = –40°C to +85°C | ±2 | - | - | LSB |
| Zero Code Drift | - | ±0.05 | - | - | ppm/°C |
| Output Impedance | - | - | 6.25 | - | kΩ |
| Settling Time | To 1/2 LSB of FS, CL = 10 pF | - | 1 | - | μs |
| Slew Rate | CL = 10 pF | - | 25 | - | V/μs |
| Voltage Supply | - | 2.7 | - | 5.5 | V |
| Operating Temperature | - | -40 | - | 85 | °C |
Key Features
- High Resolution: 16-bit resolution for precise analog output.
- Single Supply Operation: Operates from a single supply voltage of 2.7 V to 5.5 V.
- Serial Interface: Compatible with SPI protocols for easy data input.
- Low Power Consumption: Ultra-low power design suitable for battery-powered applications.
- Unipolar and Bipolar Output: The DAC8831 can operate in both unipolar (0 V to +VREF) and bipolar (±VREF) modes with external buffering.
- Compact Packaging: Available in a 14-pin QFN package for space-efficient designs.
Applications
The DAC8831IBRGYT is suitable for a variety of applications requiring high precision and low power consumption, such as:
- Industrial Control Systems: For precise control and monitoring in industrial environments.
- Medical Devices: In medical equipment where accuracy and reliability are critical.
- Aerospace and Defense: For applications requiring high precision and robust performance.
- Automotive Systems: For control and monitoring in automotive electronics.
- Consumer Electronics: In devices such as audio equipment and other consumer products requiring high-quality analog output.
Q & A
- What is the resolution of the DAC8831IBRGYT?
The DAC8831IBRGYT has a 16-bit resolution. - What is the operating voltage range of the DAC8831IBRGYT?
The device operates from a single supply voltage of 2.7 V to 5.5 V. - What type of output does the DAC8831IBRGYT support?
The DAC8831IBRGYT supports both unipolar (0 V to +VREF) and bipolar (±VREF) output configurations. - What is the settling time of the DAC8831IBRGYT?
The settling time is typically 1 μs to 1/2 LSB of full scale with a 10 pF load capacitance. - What is the slew rate of the DAC8831IBRGYT?
The slew rate is 25 V/μs. - What is the operating temperature range of the DAC8831IBRGYT?
The operating temperature range is from -40°C to 85°C. - What type of packaging is available for the DAC8831IBRGYT?
The device is available in a 14-pin QFN package. - Is the DAC8831IBRGYT compatible with SPI protocols?
Yes, the DAC8831IBRGYT is compatible with SPI protocols for data input. - What are some typical applications of the DAC8831IBRGYT?
The device is suitable for industrial control systems, medical devices, aerospace and defense, automotive systems, and consumer electronics. - How does the DAC8831IBRGYT achieve bipolar output?
The bipolar output is achieved by connecting the DAC to an external operational amplifier in bipolar mode.
