Overview
The DAC8831IBRGYR is a 16-bit, serial-input, voltage-output digital-to-analog converter (DAC) produced by Texas Instruments. This device is part of the DAC8831 series and is known for its ultra-low power consumption and high precision. It operates on a single supply voltage ranging from 2.7 V to 5.5 V, making it versatile for various applications. The DAC8831IBRGYR supports both unipolar and bipolar output modes, enhancing its usability in different system designs.
Key Specifications
| Parameter | Conditions | Min | Typ | 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 | ±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 | ||
| Output Noise | TA = +25°C | 18 | nV/√Hz | ||
| Power-Supply Rejection | VDD varies ±10% | ±1 | LSB | ||
| Voltage Supply | 2.7 V | 5.5 V | V | ||
| Operating Temperature | –40°C | +85°C | °C | ||
| Package | 14-SOIC |
Key Features
- High Resolution: 16-bit resolution for precise analog output.
- Low Power Consumption: Ultra-low power operation suitable for battery-powered devices.
- Single Supply Operation: Operates from a single supply voltage between 2.7 V and 5.5 V.
- Unipolar and Bipolar Output: Supports both unipolar (0 V to +VREF) and bipolar (±VREF) output modes.
- Fast Settling Time: Settling time of 1 μs to 1/2 LSB of full scale.
- Low Output Noise: Low output noise of 18 nV/√Hz at 25°C.
- Serial Interface: SPI-compatible serial interface for easy communication.
Applications
The DAC8831IBRGYR is suitable for a variety of applications, including:
- Industrial Automation: Precision control and monitoring systems.
- Medical Devices: High-accuracy analog output for medical equipment.
- Aerospace and Defense: Reliable and precise analog output in harsh environments.
- Automotive Systems: Low-power, high-precision analog output for automotive control systems.
- Test and Measurement Equipment: High-resolution analog output for precise measurements.
Q & A
- What is the resolution of the DAC8831IBRGYR?
The DAC8831IBRGYR has a resolution of 16 bits. - What is the operating voltage range of the DAC8831IBRGYR?
The DAC8831IBRGYR operates from a single supply voltage between 2.7 V and 5.5 V. - Does the DAC8831IBRGYR support bipolar output?
Yes, the DAC8831IBRGYR supports both unipolar and bipolar output modes. - What is the settling time of the DAC8831IBRGYR?
The settling time is 1 μs to 1/2 LSB of full scale. - What is the output impedance of the DAC8831IBRGYR?
The output impedance is 6.25 kΩ. - What is the slew rate of the DAC8831IBRGYR?
The slew rate is 25 V/μs. - What is the output noise of the DAC8831IBRGYR at 25°C?
The output noise is 18 nV/√Hz at 25°C. - What is the power-supply rejection ratio of the DAC8831IBRGYR?
The power-supply rejection ratio is ±1 LSB when VDD varies ±10%. - What is the operating temperature range of the DAC8831IBRGYR?
The operating temperature range is from –40°C to +85°C. - What package type is the DAC8831IBRGYR available in?
The DAC8831IBRGYR is available in a 14-SOIC package.
