Overview
The AD5694RBRUZ-RL7 is a quad, 12-bit buffered voltage output digital-to-analog converter (DAC) produced by Analog Devices Inc. This device is part of the AD5696R/AD5695R/AD5694R family, known for their low power consumption and high performance. The AD5694RBRUZ-RL7 features a 2.5 V internal reference with a low temperature coefficient of 2 ppm/°C, and it supports user-selectable gain settings of 1 or 2. The device operates over a wide power supply range from 2.7 V to 5.5 V and is compatible with 1.8 V logic.
Key Specifications
| Parameter | Value | Unit | Test Conditions |
|---|---|---|---|
| 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 | - |
| Power Supply Range | 2.7 to 5.5 | V | - |
| Logic Supply Range | 1.62 to 5.5 | V | - |
| Temperature Range | -40°C to +105°C | - | - |
| Power Consumption (Normal Mode) | 0.59 to 0.7 mA | mA | VDD = 2.7 V to 5.5 V |
| Power Consumption (Power-Down Mode) | 1 to 6 μA | μA | -40°C to +105°C |
Key Features
- Low Power Consumption: The device operates at a low power of 3.3 mW at 3 V, making it suitable for battery-powered applications.
- User-Selectable Gain: The gain can be set to 1 or 2 using the GAIN pin, allowing for output voltage ranges of 0 V to VREF or 0 V to 2 × VREF.
- Internal Reference: A 2.5 V internal reference with a low temperature coefficient of 2 ppm/°C is included, which can be enabled or disabled.
- High Drive Capability: The device can drive loads up to 20 mA and has a low glitch impulse of 0.5 nV-sec.
- I2C-Compatible Serial Interface: The device supports a 2-wire serial interface with clock rates up to 400 kHz.
- Reset and Power-On Options: The device can be reset to zero scale or midscale using the RSTSEL pin.
- Low Logic Compatibility: The device is compatible with 1.8 V logic.
Applications
- Optical Transceivers: Suitable for applications requiring precise voltage control in optical communication systems.
- Base-Station Power Amplifiers: Used in base stations for precise voltage control and adjustment.
- Process Control (PLC I/O Cards): Ideal for industrial control systems where precise analog outputs are necessary.
- Industrial Automation: Used in various industrial automation applications requiring accurate and reliable analog voltage outputs.
- Data Acquisition Systems: Suitable for data acquisition systems that require high precision and low noise analog outputs.
Q & A
- What is the resolution of the AD5694RBRUZ-RL7 DAC?
The AD5694RBRUZ-RL7 has a resolution of 12 bits.
- What is the temperature range of the AD5694RBRUZ-RL7?
The device operates over a temperature range of -40°C to +105°C.
- What are the power supply voltage ranges for the AD5694RBRUZ-RL7?
The power supply range is from 2.7 V to 5.5 V, and the logic supply range is from 1.62 V to 5.5 V.
- Can the gain of the AD5694RBRUZ-RL7 be adjusted?
Yes, the gain can be set to 1 or 2 using the GAIN pin.
- What is the internal reference voltage of the AD5694RBRUZ-RL7?
The internal reference voltage is 2.5 V with a temperature coefficient of 2 ppm/°C.
- How does the AD5694RBRUZ-RL7 handle power-down modes?
The device can enter power-down modes where the power consumption is significantly reduced to 1 to 6 μA.
- What is the maximum output current of the AD5694RBRUZ-RL7?
The device can drive loads up to 20 mA.
- Is the AD5694RBRUZ-RL7 compatible with 1.8 V logic?
Yes, the device is compatible with 1.8 V logic.
- What is the serial interface type and speed of the AD5694RBRUZ-RL7?
The device uses an I2C-compatible serial interface with clock rates up to 400 kHz.
- How can the AD5694RBRUZ-RL7 be reset?
The device can be reset to zero scale or midscale using the RSTSEL pin.
