Overview
The AD5689BRUZ is a member of the nanoDAC+™ family from Analog Devices Inc., designed as a low-power, dual, 16-bit digital-to-analog converter (DAC) with buffered voltage output. This device is part of the AD5689/AD5687 series, which offers high precision and versatility in various applications. The AD5689BRUZ operates from a single 2.7 V to 5.5 V supply and features a SPI-compatible serial interface with clock rates up to 50 MHz. It is available in a compact 7-lead SOT-23 package, making it suitable for space-constrained designs.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Resolution | 16-bit | Dual-channel DAC | |||
| Supply Voltage (VDD) | 2.7 | 5.5 | V | ||
| Logic Voltage (VLOGIC) | 1.62 | 5.5 | V | ||
| Full-Scale Output Voltage | 2.5 | 5 | V | Gain = 1 or 2 | |
| Total Unadjusted Error (TUE) | ±3 ppm | ||||
| Operating Temperature Range | -40 | +125 | °C | ||
| Power Consumption (Normal Mode) | 0.59 | 0.7 | mA | VDD = 2.7 V to 5.5 V | |
| Power Consumption (Power-Down Mode) | 1 | 4 | µA | VDD = 3 V | |
| Output Voltage Settling Time | 5 | 8 | µs | ¼ to ¾ scale settling to ±2 LSB | |
Key Features
- Dual 16-bit DAC Channels: Provides two independent DAC channels in a single package, enhancing design flexibility and reducing component count.
- High Precision: Guaranteed ±3 ppm total unadjusted error (TUE) performance, ensuring high accuracy in output voltages.
- Low Power Consumption: Operates in normal mode with less than 0.7 mA current consumption and reduces to 4 µA in power-down mode, making it suitable for battery-powered devices.
- SPI Interface: Supports SPI-compatible serial input with clock rates up to 50 MHz, facilitating easy integration into various systems.
- Gain Selectability: Offers full-scale output voltages of 2.5 V or 5 V through a gain select pin, providing flexibility in output range.
- Compact Packaging: Available in a 7-lead SOT-23 package, ideal for space-constrained designs.
- Extended Temperature Range: Operates over an extended industrial temperature range from -40°C to +125°C, making it suitable for harsh environments.
Applications
- Industrial Automation: Used in control systems, sensors, and actuators where high precision and reliability are crucial.
- Medical Devices: Suitable for medical equipment requiring accurate voltage outputs, such as in diagnostic and treatment devices.
- Aerospace and Defense: Employed in various aerospace and defense applications where high precision and reliability are essential.
- Automotive Systems: Used in automotive control systems, infotainment, and safety features where robust performance is required.
- Consumer Electronics: Found in consumer electronics such as audio equipment, gaming consoles, and other devices needing precise analog outputs).
Q & A
- What is the resolution of the AD5689BRUZ DAC?
The AD5689BRUZ has a resolution of 16 bits for each of its dual DAC channels.
- What is the operating voltage range of the AD5689BRUZ?
The device operates from a single supply voltage ranging from 2.7 V to 5.5 V).
- What is the total unadjusted error (TUE) of the AD5689BRUZ?
The AD5689BRUZ has a guaranteed ±3 ppm total unadjusted error (TUE) performance).
- What interface does the AD5689BRUZ use for communication?
The AD5689BRUZ uses a SPI-compatible serial interface with clock rates up to 50 MHz).
- What are the available full-scale output voltages of the AD5689BRUZ?
The device offers full-scale output voltages of 2.5 V or 5 V, selectable via a gain pin).
- What is the power consumption of the AD5689BRUZ in normal mode?
In normal mode, the power consumption is less than 0.7 mA. In power-down mode, it reduces to 4 µA at 3 V).
- What is the operating temperature range of the AD5689BRUZ?
The device operates over an extended industrial temperature range from -40°C to +125°C).
- What package options are available for the AD5689BRUZ?
The AD5689BRUZ is available in a 7-lead SOT-23 package).
- Is the AD5689BRUZ RoHS/WEEE compliant?
Yes, the AD5689BRUZ is RoHS/WEEE compliant).
- What are some typical applications of the AD5689BRUZ?
The AD5689BRUZ is used in industrial automation, medical devices, aerospace and defense, automotive systems, and consumer electronics).
