Overview
The AD5694BRUZ-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 various industrial and automation applications. The AD5694 operates from a single 2.7 V to 5.5 V supply and features a versatile 2-wire serial interface compatible with I2C protocols up to 400 kHz.
Key Specifications
| Parameter | Unit | Min | Typ | Max |
|---|---|---|---|---|
| Resolution | Bits | 12 | 12 | 12 |
| Relative Accuracy (INL) | LSB | ±0.12 | ±1 | ±2 |
| Differential Nonlinearity | LSB | ±1 | ±1 | ±1 |
| Offset Error | mV | ±0.1 | ±1.5 | ±1.5 |
| Gain Error | % of FSR | ±0.02 | ±0.1 | ±0.1 |
| Output Voltage Range (Gain = 1) | V | 0 to VREF | ||
| Output Voltage Range (Gain = 2) | V | 0 to 2 × VREF | ||
| Supply Voltage | V | 2.7 | 5.5 | |
| Temperature Range | °C | -40 | 105 | |
| Power Consumption (Normal Mode) | mA | 0.59 | 0.7 | 1.3 |
| Power Consumption (Power-Down Mode) | μA | 1 | 4 |
Key Features
- High Relative Accuracy: ±1 LSB maximum for 12-bit resolution, ensuring high precision in output voltage.
- Low Power Consumption: Operates at 1.8 mW at 3 V, with power-down mode reducing current to 4 μA at 3 V.
- User-Selectable Gain: Gain of 1 or 2 selectable via the GAIN pin, allowing full-scale output of 2.5 V or 5 V.
- Reset to Zero Scale or Midscale: RSTSEL pin allows the DAC outputs to power up to zero scale or midscale.
- I2C-Compatible Serial Interface: Supports clock rates up to 400 kHz and includes 1.8 V logic compatibility.
- High Drive Capability: Output can drive up to 20 mA, 0.5 V from supply rails.
- Low Glitch and ESD Rating: Low glitch impulse of 0.5 nV-sec and robust 3.5 kV HBM and 1.5 kV FICDM ESD rating.
Applications
- Digital Gain and Offset Adjustment: Suitable for applications requiring precise digital control over gain and offset.
- Programmable Attenuators: Can be used in systems that require programmable attenuation.
- Process Control (PLC I/O Cards): Ideal for use in process control systems due to its high accuracy and reliability.
- Industrial Automation: Used in various industrial automation applications requiring precise analog output control.
- Data Acquisition Systems: Suitable for data acquisition systems that need high-precision analog outputs).
- Optical Transceivers and Base-Station Power Amplifiers: Can be used in these applications due to its high accuracy and low noise characteristics).
Q & A
- What is the resolution of the AD5694BRUZ-RL7?
The AD5694BRUZ-RL7 has a 12-bit resolution).
- What is the operating voltage range of the AD5694BRUZ-RL7?
The device operates from a single 2.7 V to 5.5 V supply).
- What is the maximum output current of the AD5694BRUZ-RL7?
The output can drive up to 20 mA, 0.5 V from supply rails).
- Does the AD5694BRUZ-RL7 support I2C interface?
Yes, it supports an I2C-compatible serial interface up to 400 kHz).
- What are the package options for the AD5694BRUZ-RL7?
The device is available in a 3 mm × 3 mm, 16-lead LFCSP and a 16-lead TSSOP package).
- What is the temperature range of the AD5694BRUZ-RL7?
The device operates over a temperature range of -40°C to +105°C).
- How does the RSTSEL pin function in the AD5694BRUZ-RL7?
The RSTSEL pin allows the DAC outputs to power up to zero scale or midscale, depending on its state).
- What is the power consumption of the AD5694BRUZ-RL7 in normal mode?
The power consumption is approximately 0.59 mA to 1.3 mA in normal mode, depending on the internal reference state).
- What is the power consumption of the AD5694BRUZ-RL7 in power-down mode?
The power consumption is reduced to 1 μA to 4 μA in power-down mode).
- What are some common applications of the AD5694BRUZ-RL7?
Common applications include digital gain and offset adjustment, programmable attenuators, process control, industrial automation, and data acquisition systems).
