Overview
The AD5668BCBZ-1-RL7 is a high-performance, octal, 16-bit digital-to-analog converter (DAC) produced by Analog Devices Inc. This device is part of the AD5668 series and is known for its low power consumption, precision, and versatility. It operates from a single 2.7 V to 5.5 V supply and features a buffered voltage-output architecture, enabling rail-to-rail output swing. The AD5668BCBZ-1-RL7 is packaged in a 16-ball WLCSP (Wafer Level Chip Scale Package) with dimensions of 2.605mm x 2.605mm, making it suitable for space-constrained applications.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Resolution | 16 bits | ||
| Number of Channels | 8 | ||
| Interface | SPI, QSPI, MicroWire, Serial | Up to 50 MHz clock rate | |
| Supply Voltage | 2.7 V to 5.5 V | V | |
| Operating Temperature Range | -40°C to 105°C | °C | |
| Power Consumption (Normal Mode) | 1.8 mA to 2.25 mA | mA | Internal reference on |
| Power Consumption (Power-Down Mode) | 0.2 µA to 1 µA | µA | |
| Output Voltage Settling Time | 7 µs | µs | ¼ to ¾ scale settling to ±2 LSB |
| Slew Rate | 1.5 V/µs | V/µs | |
| Relative Accuracy | ±8 LSB | LSB | |
| Differential Nonlinearity | ±1 LSB | LSB | Guaranteed monotonic by design |
| Zero-Code Error | 6 mV to 19 mV | mV | All 0s loaded to DAC register |
| Full-Scale Error | -0.2% to -1% FSR | % FSR | All 1s loaded to DAC register |
| Gain Error | ±1% FSR | % FSR | |
| Gain Temperature Coefficient | ±2.5 ppm/°C | ppm/°C |
Key Features
- On-Chip Reference: The AD5668BCBZ-1-RL7 features an on-chip reference with an internal gain of 2, available in 1.25 V and 2.5 V options, each with a 5 ppm/°C temperature coefficient.
- Power-On Reset and Power-Down: The device includes a power-on reset circuit and a power-down feature that reduces current consumption to 400 nA at 5 V.
- Interface Flexibility: Supports SPI, QSPI, MicroWire, and Serial interfaces with clock rates up to 50 MHz.
- Buffered Voltage Output: Rail-to-rail output swing enabled by the on-chip precision output amplifier.
- Low Power Consumption: Operates with low power consumption, making it suitable for battery-powered and power-sensitive applications.
- Software-Selectable Output Loads: Allows for software-selectable output loads while in power-down mode for any or all DAC channels.
Applications
The AD5668BCBZ-1-RL7 is suitable for a variety of applications requiring high precision and low power consumption, such as:
- Industrial Control Systems: For precise control and monitoring in industrial environments.
- Medical Devices: In medical equipment where accuracy and reliability are critical.
- Aerospace and Defense: For applications requiring high precision and robust performance under varying conditions.
- Automotive Systems: For control and monitoring in automotive electronics.
- Test and Measurement Equipment: For precise voltage output in test and measurement instruments.
Q & A
- What is the resolution of the AD5668BCBZ-1-RL7?
The AD5668BCBZ-1-RL7 has a resolution of 16 bits. - What are the available interface options for the AD5668BCBZ-1-RL7?
The device supports SPI, QSPI, MicroWire, and Serial interfaces. - What is the operating temperature range of the AD5668BCBZ-1-RL7?
The operating temperature range is -40°C to 105°C. - How much power does the AD5668BCBZ-1-RL7 consume in normal mode?
The power consumption in normal mode is between 1.8 mA and 2.25 mA with the internal reference on. - What is the settling time of the AD5668BCBZ-1-RL7?
The output voltage settling time is 7 µs for ¼ to ¾ scale settling to ±2 LSB. - Does the AD5668BCBZ-1-RL7 have an on-chip reference?
Yes, it features an on-chip reference with an internal gain of 2, available in 1.25 V and 2.5 V options. - What is the slew rate of the AD5668BCBZ-1-RL7?
The slew rate is 1.5 V/µs. - Is the AD5668BCBZ-1-RL7 RoHS compliant?
Yes, the AD5668BCBZ-1-RL7 is RoHS compliant. - What is the package type of the AD5668BCBZ-1-RL7?
The device is packaged in a 16-ball WLCSP (Wafer Level Chip Scale Package) with dimensions of 2.605mm x 2.605mm. - Can the output loads be software-selectable in power-down mode?
Yes, the AD5668BCBZ-1-RL7 allows for software-selectable output loads while in power-down mode for any or all DAC channels.
