Overview
The AD5666BRUZ-1 is a quad, 16-bit, buffered voltage-output digital-to-analog converter (DAC) produced by Analog Devices Inc. This device operates from a single supply voltage ranging from 2.7 V to 5.5 V and is known for its low power consumption and high accuracy. The AD5666BRUZ-1 features an on-chip reference with options for 1.25 V or 2.5 V, each with a temperature coefficient of 5 ppm/°C. The device is packaged in a 14-lead TSSOP and is guaranteed monotonic by design, ensuring reliable performance in various applications.
Key Specifications
| Parameter | Value | Unit | Conditions/Comments |
|---|---|---|---|
| Number of Bits | 16 | ||
| Number of D/A Converters | 4 | ||
| Settling Time | 10 µs | ||
| Output Type | Voltage - Buffered | ||
| Data Interface | SPI, DSP | ||
| Reference Type | External, Internal | 1.25 V or 2.5 V, 5 ppm/°C | |
| Voltage - Supply, Analog/Digital | 2.7 V ~ 5.5 V | V | |
| INL/DNL (LSB) | ±16 (Max), ±1 (Max) | LSB | |
| Architecture | String DAC | ||
| Operating Temperature | -40°C ~ 105°C | °C | |
| Package / Case | 14-TSSOP (0.173", 4.40mm Width) | ||
| Mounting Type | Surface Mount |
Key Features
- Quad, 16-bit DAC with on-chip 1.25 V or 2.5 V reference, each with a temperature coefficient of 5 ppm/°C.
- Selectable power-on reset to 0 V or midscale.
- Power-down capability with current consumption as low as 200 nA at 3 V and 400 nA at 5 V.
- Hardware LDAC with LDAC override function and asynchronous CLR function to clear all DACs to a software-selectable code.
- Versatile 3-wire serial interface compatible with SPI, QSPI, MICROWIRE, and DSP interface standards, operating at clock rates up to 50 MHz.
- Rail-to-rail output swing enabled by the on-chip precision output amplifier.
Applications
- Process control systems.
- Data acquisition systems.
- Portable battery-powered instruments.
- Digital gain and offset adjustment.
- Programmable voltage and current sources.
- Programmable attenuators.
Q & A
- What is the AD5666BRUZ-1?
The AD5666BRUZ-1 is a quad, 16-bit, buffered voltage-output DAC produced by Analog Devices Inc. - What is the operating voltage range of the AD5666BRUZ-1?
The device operates from a single supply voltage ranging from 2.7 V to 5.5 V. - What are the reference voltage options for the AD5666BRUZ-1?
The device features on-chip references of 1.25 V or 2.5 V, each with a temperature coefficient of 5 ppm/°C. - What is the settling time of the AD5666BRUZ-1?
The settling time is 10 µs. - What interfaces does the AD5666BRUZ-1 support?
The device supports SPI, QSPI, MICROWIRE, and DSP interface standards. - What is the power consumption in power-down mode?
The current consumption is as low as 200 nA at 3 V and 400 nA at 5 V. - What is the package type of the AD5666BRUZ-1?
The device is packaged in a 14-lead TSSOP. - What are some common applications of the AD5666BRUZ-1?
Common applications include process control, data acquisition systems, portable battery-powered instruments, digital gain and offset adjustment, and programmable voltage and current sources. - Does the AD5666BRUZ-1 have a power-on reset feature?
Yes, it has a selectable power-on reset to 0 V or midscale. - How does the LDAC function work on the AD5666BRUZ-1?
The LDAC function allows the outputs of all DACs to be updated simultaneously, with user-selectable DAC channels to update.
