Overview
The AD5391BCPZ-5-REEL7 is a 16-channel, 12-bit digital-to-analog converter (DAC) produced by Analog Devices Inc. This device is part of the AD5390/AD5391/AD5392 family, known for their high precision and versatility in various applications. The AD5391 is a single-supply DAC, available in a 64-lead LFCSP (9 mm × 9 mm) package, making it suitable for space-constrained designs. It operates with a rail-to-rail output amplifier and includes an internal 1.25 V/2.5 V reference with a temperature coefficient of 10 ppm/°C.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Number of Channels | 16 | - | - |
| Resolution | 12-bit | - | - |
| Output Voltage Range | 0 to AVDD | V | Rail-to-rail operation |
| Internal Reference Voltage | 1.25 V / 2.5 V | V | 10 ppm/°C temperature coefficient |
| Output Amplifier Gain | 2 | - | - |
| Output Load Capability | 5 kΩ to ground | - | - |
| Power Consumption per Channel | 0.25 mA | mA | Typical |
| Interface Compatibility | SPI, QSPI, MICROWIRE, DSP, I2C | - | - |
| Package Type | 64-lead LFCSP (9 mm × 9 mm) | - | - |
| Temperature Range | -40°C to +85°C | °C | - |
| ESD Rating | 6.5 kV HBM, 2 kV FICDM | kV | - |
Key Features
- Rail-to-Rail Output Amplifier: Each channel has an on-chip output amplifier capable of rail-to-rail operation, driving loads of up to 5 kΩ to ground.
- Internal Reference: The device includes an internal 1.25 V/2.5 V reference with a temperature coefficient of 10 ppm/°C.
- Programmable Gain and Offset: Each channel has a programmable gain and offset adjust register, allowing for full calibration of any DAC channel.
- Channel Monitor and Simultaneous Output Update: Features an on-chip channel monitor function and the ability to update DAC outputs independently or simultaneously via the LDAC input.
- Boost Mode and Toggle Mode: Includes an output amplifier boost mode to optimize slew rate and a toggle mode for square wave generation.
- Thermal Monitor and Clear Function: Equipped with a thermal monitor and a clear function to user-programmable code.
- High-Speed Interface Compatibility: Supports SPI, QSPI, MICROWIRE, DSP, and I2C interfaces with speeds up to 30 MHz and 400 kHz for I2C.
- Robust ESD Rating: Offers a robust 6.5 kV HBM and 2 kV FICDM ESD rating.
Applications
- Instrumentation and Industrial Control: Suitable for precision control and measurement in industrial settings.
- Power Amplifier Control: Used in power amplifier systems for precise voltage control.
- Level Setting (ATE): Employed in automated test equipment for setting precise voltage levels.
- Control Systems: Integrated into various control systems requiring high precision and reliability.
- Microelectromechanical Systems (MEMS): Used in MEMS applications due to its high accuracy and stability.
Q & A
- What is the resolution of the AD5391BCPZ-5-REEL7 DAC?
The AD5391BCPZ-5-REEL7 has a 12-bit resolution.
- What is the output voltage range of the AD5391BCPZ-5-REEL7?
The output voltage range is from 0 to AVDD, with rail-to-rail operation.
- What is the internal reference voltage of the AD5391BCPZ-5-REEL7?
The internal reference voltage is 1.25 V or 2.5 V, with a temperature coefficient of 10 ppm/°C.
- What interfaces does the AD5391BCPZ-5-REEL7 support?
The device supports SPI, QSPI, MICROWIRE, DSP, and I2C interfaces.
- What is the typical power consumption per channel of the AD5391BCPZ-5-REEL7?
The typical power consumption per channel is 0.25 mA.
- What is the temperature range of the AD5391BCPZ-5-REEL7?
The operating temperature range is from -40°C to +85°C.
- What is the ESD rating of the AD5391BCPZ-5-REEL7?
The device has a robust 6.5 kV HBM and 2 kV FICDM ESD rating.
- Can the AD5391BCPZ-5-REEL7 be used in MEMS applications?
Yes, it is suitable for use in microelectromechanical systems (MEMS) due to its high accuracy and stability.
- Does the AD5391BCPZ-5-REEL7 have programmable gain and offset adjust?
Yes, each channel has a programmable gain and offset adjust register.
- What package type is the AD5391BCPZ-5-REEL7 available in?
The device is available in a 64-lead LFCSP (9 mm × 9 mm) package.
