Overview
The AD5686RBRUZ-RL7, part of the nanoDAC+® family from Analog Devices Inc., is a low-power, quad, 16-bit buffered voltage output digital-to-analog converter (DAC). This device is designed for high accuracy and low power consumption, making it suitable for a variety of applications requiring precise analog output. The AD5686R features a 2.5 V, 2 ppm/°C internal reference and a gain select pin that allows for full-scale output of either 2.5 V or 5 V. It operates from a single 2.7 V to 5.5 V supply and is available in 3 mm × 3 mm LFCSP and TSSOP packages.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Resolution | 16 | 16 | 16 | Bits | |
| Relative Accuracy | ±2 | ±8 | ±1 | LSB | Gain = 2, Gain = 1 |
| Differential Nonlinearity | ±1 | ±1 | ±1 | LSB | Guaranteed monotonic by design |
| Zero-Code Error | 0.4 | 4 | 1.5 | mV | |
| Output Voltage Range | 0 | VREF | 2 × VREF | V | Gain = 1, Gain = 2 |
| Supply Voltage | 2.7 | 5.5 | V | ||
| Logic Voltage | 1.62 | 5.5 | V | ||
| Power-Up Time | 2.5 | µs | Coming out of power-down mode; VDD = 5 V | ||
| Short-Circuit Current | 40 | mA |
Key Features
- High Relative Accuracy: The AD5686R offers ±2 LSB maximum relative accuracy, ensuring high precision in analog output.
- Low Power Consumption: The device features a power-down mode that reduces current consumption to 4 µA at 3 V, making it energy-efficient.
- Versatile Interface: The AD5686R employs a SPI interface that operates at clock rates up to 50 MHz, and includes a VLOGIC pin for 1.8 V/3 V/5 V logic compatibility.
- Internal Reference and Gain Select: The device includes a 2.5 V, 2 ppm/°C internal reference and a gain select pin for flexible output voltage ranges.
- Monotonicity and Linearity: Guaranteed monotonic by design, with low differential nonlinearity and zero-code error.
Applications
The AD5686RBRUZ-RL7 is suitable for various applications requiring precise and low-power analog output, such as:
- Industrial Automation: For controlling and monitoring industrial processes.
- Medical Devices: In medical equipment where high accuracy and reliability are crucial.
- Aerospace and Defense: For applications requiring robust and precise analog output.
- Automotive Systems: In automotive control systems and sensors.
- Test and Measurement Equipment: For generating precise analog signals in test and measurement instruments.
Q & A
- What is the resolution of the AD5686RBRUZ-RL7?
The AD5686RBRUZ-RL7 has a resolution of 16 bits. - What is the relative accuracy of the AD5686RBRUZ-RL7?
The relative accuracy is ±2 LSB maximum. - What is the operating voltage range of the AD5686RBRUZ-RL7?
The device operates from a single 2.7 V to 5.5 V supply. - What interface does the AD5686RBRUZ-RL7 use?
The AD5686RBRUZ-RL7 uses a SPI interface that operates at clock rates up to 50 MHz. - How does the power-down feature work?
The power-down feature reduces the current consumption to 4 µA at 3 V, making it energy-efficient. - What is the purpose of the VLOGIC pin?
The VLOGIC pin is intended for 1.8 V/3 V/5 V logic compatibility. - Is the AD5686RBRUZ-RL7 guaranteed monotonic?
Yes, the device is guaranteed monotonic by design. - What is the output voltage range of the AD5686RBRUZ-RL7?
The output voltage range is 0 to VREF for gain = 1 and 0 to 2 × VREF for gain = 2. - How long does it take for the device to power up from power-down mode?
The power-up time is 2.5 µs coming out of power-down mode at VDD = 5 V. - What are the package options for the AD5686RBRUZ-RL7?
The device is available in 3 mm × 3 mm LFCSP and TSSOP packages.
