Overview
The AD5694BCPZ-RL7, produced by Analog Devices Inc., is a member of the nanoDAC+™ family. It is a low power, quad, 12-bit buffered voltage output digital-to-analog converter (DAC). This device is designed for high accuracy and reliability, making it suitable for a variety of precision applications. The AD5694 operates from a single 2.7 V to 5.5 V supply and features a versatile 2-wire serial I2C interface that operates at clock rates up to 400 kHz. The device includes a gain select pin, allowing for full-scale output ranges of 0 V to VREF or 0 V to 2 × VREF. It is available in a 3 mm × 3 mm LFCSP package with an exposed pad.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Resolution | 12 | Bits | |
| Relative Accuracy | ±0.12 to ±2 | LSB | |
| Differential Nonlinearity | ±1 | LSB | Guaranteed monotonic by design |
| Output Voltage Range | 0 to VREF (Gain = 1), 0 to 2 × VREF (Gain = 2) | V | |
| Supply Voltage | 2.7 to 5.5 | V | |
| Operating Temperature Range | -40 to 105 | °C | |
| Interface | I2C, Serial | Up to 400 kHz clock rate | |
| Power Consumption (Power-Down Mode) | 4 µA at 3 V | µA | Per channel |
| Package Type | 16-Lead LFCSP (3mm x 3mm w/ EP) |
Key Features
- High Accuracy: The AD5694 features high relative accuracy with a maximum of ±2 LSB for 12-bit resolution.
- Low Power Consumption: The device has a low power consumption, with a power-down mode that reduces current to 4 µA per channel at 3 V.
- Flexible Interface: It uses a versatile 2-wire serial I2C interface operating at clock rates up to 400 kHz.
- Gain Selectability: The device includes a gain select pin, allowing for full-scale output ranges of 0 V to VREF or 0 V to 2 × VREF.
- Power-On Reset and RSTSEL Pin: Ensures DAC outputs power up to zero scale or midscale and remain at that level until a valid write takes place.
- Monotonic by Design: Guaranteed monotonic performance ensures that the output voltage always increases with increasing digital code.
Applications
- Industrial Automation: Suitable for precision control and measurement in industrial automation systems.
- Medical Devices: Used in medical equipment requiring high accuracy and reliability.
- Aerospace and Defense: Applicable in various aerospace and defense systems where precision and low power consumption are critical.
- Automotive Systems: Employed in automotive applications that demand high accuracy and reliability.
- Test and Measurement Equipment: Ideal for use in test and measurement instruments requiring precise voltage output.
Q & A
- What is the resolution of the AD5694?
The AD5694 has a 12-bit resolution.
- What is the operating voltage range of the AD5694?
The device operates from a single 2.7 V to 5.5 V supply.
- What type of interface does the AD5694 use?
The AD5694 uses a 2-wire serial I2C interface.
- How does the gain select pin function?
The gain select pin allows for full-scale output ranges of 0 V to VREF or 0 V to 2 × VREF.
- What is the power consumption in power-down mode?
The power consumption in power-down mode is 4 µA per channel at 3 V.
- What is the purpose of the RSTSEL pin?
The RSTSEL pin ensures that the DAC outputs power up to zero scale or midscale and remain at that level until a valid write takes place.
- What is the package type of the AD5694BCPZ-RL7?
The AD5694BCPZ-RL7 is available in a 16-Lead LFCSP (3mm x 3mm w/ EP) package.
- Is the AD5694 guaranteed monotonic by design?
Yes, the AD5694 is guaranteed monotonic by design.
- What is the operating temperature range of the AD5694?
The operating temperature range is -40°C to 105°C.
- What are some typical applications of the AD5694?
The AD5694 is used in industrial automation, medical devices, aerospace and defense, automotive systems, and test and measurement equipment.
