Overview
The AD5331BRUZ-REEL7, produced by Analog Devices Inc., is a 10-bit digital-to-analog converter (DAC) that offers high performance and versatility. This component is part of the AD5330/AD5331/AD5340/AD5341 family and is known for its rail-to-rail output, low power consumption, and robust specifications. It is suitable for a wide range of applications requiring precise analog output from digital signals.
Key Specifications
| Parameter | Value | Unit | Conditions/Comments |
|---|---|---|---|
| Resolution | 10 Bits | ||
| Relative Accuracy | ±0.5 ±4 LSB | ||
| Differential Nonlinearity | ±0.05 ±0.5 LSB | Guaranteed monotonic by design over all codes | |
| Offset Error | ±0.4 ±3 % of FSR | ||
| Gain Error | ±0.15 ±1 % of FSR | ||
| Lower Deadband | 10 - 60 mV | Exists only if offset error is negative | |
| Upper Deadband | 10 - 60 mV | Exists only if VREF = VDD | |
| VREF Input Range | 0.25 VDD to VDD | Buffered reference | |
| VREF Input Impedance | >10 MΩ (buffered), 180 kΩ (unbuffered) | ||
| Minimum Output Voltage | 0.001 V min | Rail-to-rail operation | |
| Maximum Output Voltage | VDD - 0.001 V max | Rail-to-rail operation | |
| DC Output Impedance | 0.5 Ω | ||
| Short-Circuit Current | 25 mA (VDD = 5 V), 15 mA (VDD = 3 V) | ||
| Power-Up Time | 2.5 μs (VDD = 5 V), 5 μs (VDD = 3 V) | Coming out of power-down mode | |
| Output Voltage Settling Time | 7 - 9 μs | ¼ scale to ¾ scale change (0x100 to 0x300) |
Key Features
- Rail-to-rail output, allowing the output to swing from VDD to GND.
- High relative accuracy and low differential nonlinearity ensure precise analog output.
- Buffered or unbuffered reference input options.
- Low power consumption and fast power-up time from power-down mode.
- Guaranteed monotonic by design over all codes.
- Parallel interface for easy data input.
- Operating voltage range of 2.5 V to 5.5 V.
Applications
- Industrial control systems requiring precise analog outputs.
- Aerospace and defense applications where high accuracy is critical.
- Medical devices that need reliable and accurate analog signals.
- Automotive systems, especially those involving sensor calibration and control.
- Test and measurement equipment where precision is paramount.
Q & A
- What is the resolution of the AD5331BRUZ-REEL7?
The AD5331BRUZ-REEL7 has a resolution of 10 bits. - What is the relative accuracy of this DAC?
The relative accuracy is ±0.5 ±4 LSB. - Does the AD5331BRUZ-REEL7 have rail-to-rail output capability?
Yes, it has rail-to-rail output capability. - What are the operating voltage ranges for this DAC?
The operating voltage range is from 2.5 V to 5.5 V. - How long does it take for the DAC to power up from power-down mode?
The power-up time is 2.5 μs (VDD = 5 V) and 5 μs (VDD = 3 V). - Is the AD5331BRUZ-REEL7 guaranteed to be monotonic?
Yes, it is guaranteed to be monotonic by design over all codes. - What is the DC output impedance of the AD5331BRUZ-REEL7?
The DC output impedance is 0.5 Ω. - Can the AD5331BRUZ-REEL7 operate in both buffered and unbuffered reference modes?
Yes, it can operate in both buffered and unbuffered reference modes. - What is the typical output voltage settling time for the AD5331BRUZ-REEL7?
The typical output voltage settling time is 7 - 9 μs for a ¼ scale to ¾ scale change. - What is the short-circuit current of the AD5331BRUZ-REEL7?
The short-circuit current is 25 mA (VDD = 5 V) and 15 mA (VDD = 3 V).
