Overview
The AD5665BRUZ-REEL7 is a quad, 16-bit digital-to-analog converter (DAC) from Analog Devices Inc., part of the nanoDAC® family. This device is known for its high performance, low power consumption, and robust feature set. It operates from a single 2.7 V to 5.5 V supply and features an I2C-compatible serial interface that supports standard, fast, and high-speed modes. The AD5665BRUZ-REEL7 is available in a 14-lead TSSOP package and is suitable for a wide range of applications requiring precise analog output.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Description |
|---|---|---|---|---|---|
| Resolution | 16 bits | Number of bits in the DAC | |||
| VDD | 2.7 | 5.5 | V | Supply voltage range | |
| Temperature Range | -40 | 105 | °C | Operating temperature range | |
| Serial Clock Frequency | 100 kHz | 3.4 MHz | Standard, fast, and high-speed modes | ||
| Settling Time | 4 µs | 7 µs | ¼ to ¾ scale settling to ±2 LSB | ||
| Slew Rate | 1.8 | V/µs | Digital-to-analog glitch impulse | ||
| Output Voltage Range | 0 | VREF | V | Full-scale output range with external reference | |
| Power Consumption (IDD) | 1.1 | 1.26 | mA | Normal mode supply current | |
Key Features
- I2C-Compatible Interface: Supports standard (100 kHz), fast (400 kHz), and high-speed (3.4 MHz) modes.
- On-Chip Reference: The AD5665R versions have an on-chip reference, while the AD5665 requires an external reference voltage.
- Power-On Reset: Ensures the DAC output powers up to 0 V or midscale and remains there until a valid write occurs.
- Buffered Voltage Output: Rail-to-rail output swing enabled by the on-chip precision output amplifier.
- Low Power Consumption: Operates with low supply current, making it suitable for power-sensitive applications.
- High Accuracy: Guaranteed monotonic by design with high relative accuracy.
Applications
- Industrial Automation: Used in control systems and data acquisition.
- Medical Devices: Suitable for medical equipment requiring precise analog outputs.
- Aerospace and Defense: Applied in various military and aerospace applications due to its robust specifications.
- Automotive Systems: Used in automotive control systems and diagnostic equipment.
- Test and Measurement Equipment: Ideal for precision measurement and calibration tools.
Q & A
- What is the resolution of the AD5665BRUZ-REEL7?
The AD5665BRUZ-REEL7 has a resolution of 16 bits.
- What is the operating voltage range of the AD5665BRUZ-REEL7?
The device operates from a single 2.7 V to 5.5 V supply.
- What types of I2C modes does the AD5665BRUZ-REEL7 support?
The device supports standard (100 kHz), fast (400 kHz), and high-speed (3.4 MHz) I2C modes.
- Does the AD5665BRUZ-REEL7 have an on-chip reference?
The AD5665R versions have an on-chip reference, but the AD5665 requires an external reference voltage.
- What is the settling time of the AD5665BRUZ-REEL7?
The settling time is typically 4 µs to 7 µs for ¼ to ¾ scale settling to ±2 LSB.
- What is the slew rate of the AD5665BRUZ-REEL7?
The slew rate is 1.8 V/µs.
- What is the output voltage range of the AD5665BRUZ-REEL7?
The output voltage range is from 0 V to VREF with an external reference.
- How much power does the AD5665BRUZ-REEL7 consume in normal mode?
The normal mode supply current is typically between 1.1 mA and 1.26 mA.
- What is the temperature range of the AD5665BRUZ-REEL7?
The operating temperature range is from -40°C to +105°C.
- What package type is the AD5665BRUZ-REEL7 available in?
The device is available in a 14-lead TSSOP package.
