Overview
The AD5689BCPZ-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 requiring accurate analog output. The AD5689 operates from a single 2.7 V to 5.5 V supply and is available in a compact 3 mm × 3 mm LFCSP package.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Resolution | - | - | 16-bit | - | - |
| Supply Voltage (VDD) | 2.7 | - | 5.5 | V | - |
| Full-Scale Output Voltage | - | - | 2.5 V (gain = 1), 5 V (gain = 2) | V | - |
| Gain Error | - | - | 0.1% FSR | % | - |
| Offset Error | - | - | 1.5 mV | mV | - |
| Output Voltage Settling Time | 5 | 8 | - | µs | ¼ to ¾ scale settling to ±2 LSB |
| Slew Rate | - | - | 0.8 V/µs | V/µs | - |
| Power Consumption (Normal Mode) | - | 0.59 | 0.7 | mA | Interface inactive, both DACs active, DAC outputs unloaded |
| Power Consumption (Power-Down Mode) | - | - | 4 µA | µA | At 3 V |
| Operating Temperature Range | -40 | - | 105 | °C | - |
| Package Type | - | - | 16-Lead LFCSP (3mm x 3mm w/ EP) | - | - |
Key Features
- Low Power Consumption: The AD5689 operates in normal mode with a current consumption of 0.59 mA to 0.7 mA and reduces to 4 µA in power-down mode at 3 V.
- High Precision: Guaranteed monotonic by design, with less than 0.1% FSR gain error and 1.5 mV offset error.
- Flexible Output Range: Full-scale output voltage can be set to 2.5 V or 5 V using a gain select pin.
- Compact Packaging: Available in a 3 mm × 3 mm LFCSP package.
- Power-On Reset and RSTSEL Pin: Ensures DAC outputs power up to zero scale or midscale and remain there until a valid write takes place.
- Per Channel Power-Down Feature: Reduces current consumption significantly when in power-down mode.
- High-Speed SPI Interface: Operates at clock rates up to 50 MHz.
Applications
- Industrial Automation: Suitable for control systems and precision measurement instruments.
- Medical Devices: Used in medical equipment requiring high precision and low power consumption.
- Aerospace and Defense: Ideal for applications where reliability and precision are critical.
- Automotive Systems: Can be used in automotive control systems and sensors.
- Test and Measurement Equipment: Utilized in various test and measurement instruments for accurate analog output.
Q & A
- What is the resolution of the AD5689BCPZ-RL7?
The AD5689BCPZ-RL7 has a resolution of 16 bits.
- What is the supply voltage range for the AD5689BCPZ-RL7?
The supply voltage range is from 2.7 V to 5.5 V.
- What are the possible full-scale output voltages for the AD5689BCPZ-RL7?
The full-scale output voltage can be set to 2.5 V or 5 V using a gain select pin.
- What is the gain error of the AD5689BCPZ-RL7?
The gain error is less than 0.1% FSR.
- What is the offset error of the AD5689BCPZ-RL7?
The offset error is 1.5 mV.
- How much power does the AD5689BCPZ-RL7 consume in normal mode?
The power consumption in normal mode is between 0.59 mA and 0.7 mA.
- How much power does the AD5689BCPZ-RL7 consume in power-down mode?
The power consumption in power-down mode is 4 µA at 3 V.
- What is the operating temperature range of the AD5689BCPZ-RL7?
The operating temperature range is from -40°C to 105°C.
- What type of package is the AD5689BCPZ-RL7 available in?
The AD5689BCPZ-RL7 is available in a 16-Lead LFCSP (3mm x 3mm w/ EP) package.
- What is the maximum clock rate of the SPI interface for the AD5689BCPZ-RL7?
The SPI interface operates at clock rates up to 50 MHz.
