Overview
The AD5689RARUZ-RL7, part of the nanoDAC+™ family from Analog Devices Inc., is a low power, dual, 16-bit buffered voltage output digital-to-analog converter (DAC). This device is designed for high precision and efficiency, featuring a 2.5 V, 2 ppm/°C internal reference and a gain select pin that allows for full-scale output options of 2.5 V or 5 V. Operating from a single 2.7 V to 5.5 V supply, the AD5689R ensures monotonic performance and exhibits minimal gain and offset errors. Available in both 3 mm × 3 mm LFCSP and TSSOP packages, this DAC is versatile and suitable for various voltage output applications.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Resolution | 16 bits | ||
| Number of Channels | 2 | ||
| Output Type | Voltage Buffered | ||
| Interface Type | SPI | ||
| Settling Time | 5 µs | ||
| Supply Voltage Range | 2.7 V to 5.5 V | ||
| Operating Temperature Range | -40°C to +105°C | ||
| Gain Error | ±0.1% of FSR | ||
| Offset Error | ±1.5 mV | ||
| Package | TSSOP-16, LFCSP 3mm x 3mm | ||
| Power Consumption (Power-Down Mode) | 4 µA at 3 V |
Key Features
- Efficient SPI Interface: Operates at clock rates up to 50 MHz.
- User-Programmable Gain: Full-scale output options of 2.5 V or 5 V via the gain select pin.
- Low Glitch and Noise: High precision with minimal gain and offset errors.
- High Drive Capability: Up to 20 mA, 0.5 V from supply rails.
- Wide Power Supply Range: 2.7 V to 5.5 V.
- Power-On Reset and RSTSEL Pin: Ensures DAC outputs power up to zero scale or midscale.
- Per Channel Power-Down Feature: Reduces current consumption to 4 µA at 3 V in power-down mode.
Applications
- Consumer Electronics Devices: Suitable for various consumer electronics requiring precise analog output.
- Sensor Interface Modules: Ideal for interfacing digital sensors with analog systems.
- Power Distribution Systems: Used in systems requiring precise voltage control.
- Digital Potentiometer Emulation: Can emulate digital potentiometers for digitally controlled variable resistances.
- Video Processing: Converts digital video signals into analog signals for display and transmission.
- Test and Measurement: Utilized in test and measurement equipment for precise analog output.
Q & A
- What is the resolution of the AD5689RARUZ-RL7 DAC?
The AD5689RARUZ-RL7 has a resolution of 16 bits.
- What are the available package options for the AD5689RARUZ-RL7?
The device is available in both 3 mm × 3 mm LFCSP and TSSOP-16 packages.
- What is the operating supply voltage range for the AD5689RARUZ-RL7?
The device operates from a single 2.7 V to 5.5 V supply.
- What is the gain error of the AD5689RARUZ-RL7?
The gain error is ±0.1% of Full Scale Range (FSR).
- Does the AD5689RARUZ-RL7 have a power-on reset feature?
Yes, it includes a power-on reset circuit and a RSTSEL pin that ensures the DAC outputs power up to zero scale or midscale.
- What is the settling time of the AD5689RARUZ-RL7?
The settling time is 5 µs.
- What interface does the AD5689RARUZ-RL7 use?
The device uses a Serial Peripheral Interface (SPI) that operates at clock rates up to 50 MHz.
- What are the typical applications of the AD5689RARUZ-RL7?
It is used in consumer electronics, sensor interface modules, power distribution systems, digital potentiometer emulation, video processing, and test and measurement equipment.
- How much current does the AD5689RARUZ-RL7 consume in power-down mode?
In power-down mode, the current consumption is reduced to 4 µA at 3 V.
- Is the AD5689RARUZ-RL7 RoHS compliant?
Yes, the device is Lead Free and RoHS compliant.
