Overview
The AD5666BRUZ-2, produced by Analog Devices Inc., is a quad, 16-bit, buffered voltage-output Digital-to-Analog Converter (DAC). This component operates from a single 2.7 V to 5.5 V supply and is guaranteed monotonic by design. It features an on-chip reference with an internal gain of 2, providing high precision and stability. The AD5666BRUZ-2 is particularly notable for its low power consumption and versatile interface capabilities, making it suitable for a wide range of applications requiring precise analog output.
Key Specifications
| Parameter | Value | Unit | Conditions/Comments |
|---|---|---|---|
| Resolution | 16 bits | ||
| Number of DACs | 4 | ||
| Supply Voltage | 2.7 V to 5.5 V | V | |
| On-Chip Reference | 2.5 V, 5 ppm/°C | V, ppm/°C | For AD5666-2 model |
| Full-Scale Output | 5 V | V | For AD5666-2 model |
| Power Consumption (Normal Mode) | 0.65 mA to 0.85 mA | mA | VDD = 2.7 V to 3.6 V, internal reference off |
| Power Consumption (Power-Down Mode) | 200 nA at 3 V, 400 nA at 5 V | nA | |
| Interface | 3-wire serial interface, up to 50 MHz | Compatible with SPI, QSPI, MICROWIRE, DSP | |
| Package | 14-Lead TSSOP |
Key Features
- Quad, 16-bit DAC with on-chip reference (1.25 V or 2.5 V, 5 ppm/°C)
- Guaranteed monotonic by design
- Single supply operation: 2.7 V to 5.5 V
- Selectable power-on reset to 0 V or midscale
- Power-down capability with low current consumption (200 nA at 3 V, 400 nA at 5 V)
- 3-wire serial interface compatible with SPI, QSPI, MICROWIRE, and DSP standards, up to 50 MHz clock rate
- On-chip precision output amplifier enabling rail-to-rail output swing
- Asynchronous CLR function to clear all DACs to 0 V, midscale, or full scale
- LDAC function for simultaneous update of all DAC outputs
Applications
The AD5666BRUZ-2 is suitable for various applications requiring precise analog output, including:
- Industrial control systems
- Aerospace and defense systems
- Medical devices and equipment
- Automotive systems
- Test and measurement equipment
- Communication systems
Q & A
- What is the resolution of the AD5666BRUZ-2 DAC?
The AD5666BRUZ-2 has a resolution of 16 bits.
- How many DAC channels does the AD5666BRUZ-2 have?
The AD5666BRUZ-2 has four DAC channels.
- What is the supply voltage range for the AD5666BRUZ-2?
The supply voltage range is from 2.7 V to 5.5 V.
- What is the on-chip reference voltage for the AD5666-2 model?
The on-chip reference voltage for the AD5666-2 model is 2.5 V with a temperature coefficient of 5 ppm/°C.
- What is the full-scale output voltage for the AD5666-2 model?
The full-scale output voltage for the AD5666-2 model is 5 V.
- How does the power-on reset function work?
The power-on reset function allows the DAC output to power up to either 0 V or midscale, depending on the state of the POR pin.
- What is the power consumption in power-down mode?
In power-down mode, the device typically consumes 200 nA at 3 V and 400 nA at 5 V.
- What types of interfaces does the AD5666BRUZ-2 support?
The AD5666BRUZ-2 supports 3-wire serial interfaces compatible with SPI, QSPI, MICROWIRE, and DSP standards, up to 50 MHz clock rate.
- What is the package type of the AD5666BRUZ-2?
The AD5666BRUZ-2 is packaged in a 14-Lead TSSOP.
- Does the AD5666BRUZ-2 have any asynchronous control functions?
Yes, the AD5666BRUZ-2 has an asynchronous CLR function that can clear all DACs to 0 V, midscale, or full scale.
