Overview
The AD5685RARUZ-RL7, produced by Analog Devices Inc., is a member of the nanoDAC+® family. It is a low-power, quad, 14-bit buffered voltage output digital-to-analog converter (DAC). This device features a 2.5 V, 2 ppm/°C internal reference and a gain select pin, allowing for full-scale output of either 2.5 V or 5 V. The AD5685RARUZ-RL7 operates from a single 2.7 V to 5.5 V supply and is guaranteed monotonic by design, ensuring high accuracy and reliability. It is available in a 16-TSSOP package, making it suitable for a variety of applications requiring precise analog output control.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Resolution | 14 | 14 | 14 | Bits | |
| Relative Accuracy | ±1 | ±2 | ±3 | LSB | Gain = 1 or 2 |
| Differential Nonlinearity | ±1 | ±1 | ±1 | LSB | Guaranteed monotonic by design |
| Output Voltage Range | 0 | 2.5 V or 5 V | V | Gain = 1 or 2 | |
| Supply Voltage | 2.7 | 5.5 | V | ||
| Power-Up Time | 4.5 | 4.5 | 4.5 | µs | Exiting power-down to normal mode |
| Load Regulation | 80 | 80 | µV/mA | DAC code = midscale; −20 mA ≤ IOUT ≤ 20 mA | |
| Short-Circuit Current | 40 | 40 | mA |
Key Features
- Low power consumption, making it suitable for battery-powered devices.
- Internal 2.5 V, 2 ppm/°C reference voltage.
- Gain select pin for full-scale output of 2.5 V or 5 V.
- Guaranteed monotonic by design, ensuring high accuracy and reliability.
- Single 2.7 V to 5.5 V supply operation.
- Available in 16-TSSOP package.
- SPI interface for easy communication with microprocessors.
- Power-on reset and RSTSEL pin for controlled startup.
Applications
The AD5685RARUZ-RL7 is versatile and can be used in a variety of applications, including:
- Industrial control systems requiring precise analog output.
- Medical devices that need accurate voltage control.
- Aerospace and defense systems where reliability and accuracy are critical.
- Automotive systems, such as engine control and sensor calibration.
- Consumer electronics, including audio and video equipment.
Q & A
- What is the resolution of the AD5685RARUZ-RL7?
The AD5685RARUZ-RL7 has a resolution of 14 bits. - What is the output voltage range of the AD5685RARUZ-RL7?
The output voltage range is 0 to 2.5 V or 0 to 5 V, depending on the gain setting. - What is the supply voltage range for the AD5685RARUZ-RL7?
The supply voltage range is from 2.7 V to 5.5 V. - Does the AD5685RARUZ-RL7 have an internal reference voltage?
Yes, it has an internal 2.5 V, 2 ppm/°C reference voltage. - What type of interface does the AD5685RARUZ-RL7 use?
The AD5685RARUZ-RL7 uses an SPI interface. - Is the AD5685RARUZ-RL7 guaranteed monotonic?
Yes, it is guaranteed monotonic by design. - What is the power-up time for the AD5685RARUZ-RL7?
The power-up time is 4.5 µs. - What package type is the AD5685RARUZ-RL7 available in?
The AD5685RARUZ-RL7 is available in a 16-TSSOP package. - Does the AD5685RARUZ-RL7 have a power-on reset feature?
Yes, it includes a power-on reset circuit and a RSTSEL pin. - What are some common applications for the AD5685RARUZ-RL7?
Common applications include industrial control systems, medical devices, aerospace and defense systems, automotive systems, and consumer electronics.
