Overview
The AD5689RBRUZ-RL7, produced by Analog Devices Inc., is a member of the nanoDAC+™ family. It is a low power, dual, 16-bit, buffered voltage output digital-to-analog converter (DAC). This device is designed for high precision and low power consumption, making it suitable for a variety of applications. The AD5689 operates from a single 2.7 V to 5.5 V supply and is guaranteed monotonic by design, ensuring reliable performance.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Resolution | 16-bit | ||||
| Full-Scale Output Voltage | 2.5 V | 5 V | V | Gain = 1 or Gain = 2 | |
| Power Supply | 2.7 V | 5.5 V | V | ||
| Temperature Range | -40°C | +105°C | °C | ||
| Gain Error | 0.1% FSR | % | |||
| Offset Error | 1.5 mV | mV | |||
| Output Voltage Settling Time | 5 µs | 8 µs | µs | ¼ to ¾ scale settling to ±2 LSB | |
| Slew Rate | 0.8 V/µs | V/µs | |||
| Digital-to-Analog Glitch Impulse | 0.5 nV-sec | nV-sec | 1 LSB change around major carry | ||
| Power Consumption (Normal Mode) | 0.59 mA | 0.7 mA | mA | VDD = 2.7 V to 5.5 V | |
| Power Consumption (Power-Down Mode) | 1 µA | 4 µA | µA | VDD = 3 V | |
| Package Type | 16-Lead TSSOP | ||||
Key Features
- User-selectable gain of 1 or 2 via the GAIN pin, providing full-scale output voltages of 2.5 V or 5 V.
- Power-on reset circuit and RSTSEL pin to ensure DAC outputs power up to zero scale or midscale.
- Per channel power-down feature reducing current consumption to 4 µA at 3 V.
- Low power consumption: 3.3 mW at 3 V.
- High-speed SPI interface with readback or daisy chain capability, operating up to 50 MHz.
- Low glitch: 0.5 nV-sec.
- Guaranteed monotonic by design with less than 0.1% FSR gain error and 1.5 mV offset error.
- Available in 3 mm × 3 mm LFCSP and 16-Lead TSSOP packages.
Applications
- Optical transceivers
- Base station power amplifiers
- Process control (PLC I/O cards)
- Industrial automation
- Data acquisition systems
Q & A
- What is the resolution of the AD5689RBRUZ-RL7?
The AD5689RBRUZ-RL7 has a resolution of 16 bits.
- What are the possible full-scale output voltages of the AD5689RBRUZ-RL7?
The full-scale output voltages can be 2.5 V or 5 V, depending on the gain setting.
- What is the power supply range for the AD5689RBRUZ-RL7?
The device operates from a single 2.7 V to 5.5 V supply.
- What is the temperature range for the AD5689RBRUZ-RL7?
The temperature range is from -40°C to +105°C.
- What is the gain error of the AD5689RBRUZ-RL7?
The gain error is less than 0.1% FSR.
- How does the power-on reset feature work?
The power-on reset circuit and RSTSEL pin ensure that the DAC outputs power up to zero scale or midscale and remain there until a valid write takes place.
- What is the power consumption in normal mode and power-down mode?
In normal mode, the power consumption is 0.59 mA to 0.7 mA. In power-down mode, it reduces to 1 µA to 4 µA at 3 V.
- What type of interface does the AD5689RBRUZ-RL7 use?
The device uses a high-speed SPI interface with readback or daisy chain capability, operating up to 50 MHz.
- What are some common applications of the AD5689RBRUZ-RL7?
Common applications include optical transceivers, base station power amplifiers, process control, industrial automation, and data acquisition systems.
- In what packages is the AD5689RBRUZ-RL7 available?
The device is available in 3 mm × 3 mm LFCSP and 16-Lead TSSOP packages.
