Overview
The AD5392BST-3 is a high-performance, 14-bit digital-to-analog converter (DAC) produced by Analog Devices Inc. This component is part of the AD5392 series and is designed to offer precise bipolar voltage output capabilities. It features a compact 52-lead LQFP package, making it suitable for a variety of applications requiring multiple DAC channels in a small footprint.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14 bits |
| Supply Voltage (VCC) | 2.7 V to 3.6 V |
| Output Voltage Range | ±4 V (with appropriate reference voltages) |
| Maximum Output Voltage Span | 17.5 V (with VREF(+) = +5 V and VREF(-) = -3.5 V) |
| Interface Options | Parallel and 3-wire serial (SPI, QSPI, MICROWIRE, DSP compatible) |
| Clock Speed | Up to 50 MHz |
| Package Type | 52-Lead LQFP (ST-52) |
| Operating Temperature Range | -40°C to +85°C |
Key Features
- Guaranteed monotonic to 14 bits
- Buffered voltage outputs with output amplifier headroom requirement of 2.5 V (1.5 mA load) and 2 V (0.5 mA load)
- Pseudo differential outputs relative to REFGND
- System calibration function allowing user-programmable offset and gain
- Clear function to user-defined REFGND (CLR pin)
- Simultaneous update of DAC outputs (LDAC pin)
- DAC increment/decrement mode and channel grouping features
- Power-on reset and digital reset (RESET pin and soft reset function)
Applications
- Level setting in automatic test equipment (ATE)
- Variable optical attenuators (VOAs)
- Optical switches
- Industrial control systems
- Medical devices requiring precise voltage control
Q & A
- What is the resolution of the AD5392BST-3 DAC?
The AD5392BST-3 has a resolution of 14 bits. - What are the supply voltage ranges for the AD5392BST-3?
The supply voltage range is 2.7 V to 3.6 V. - What is the maximum output voltage span of the AD5392BST-3?
The maximum output voltage span is 17.5 V, achieved with reference voltages of VREF(+) = +5 V and VREF(-) = -3.5 V. - What types of interfaces does the AD5392BST-3 support?
The AD5392BST-3 supports both parallel and 3-wire serial interfaces (SPI, QSPI, MICROWIRE, DSP compatible). - What is the maximum clock speed for the serial interface?
The maximum clock speed for the serial interface is up to 50 MHz. - What is the package type of the AD5392BST-3?
The package type is a 52-Lead LQFP (ST-52). - What is the operating temperature range of the AD5392BST-3?
The operating temperature range is -40°C to +85°C. - Does the AD5392BST-3 support simultaneous update of DAC outputs?
Yes, the AD5392BST-3 supports simultaneous update of DAC outputs via the LDAC pin. - Can the AD5392BST-3 be calibrated for offset and gain?
Yes, the AD5392BST-3 allows user-programmable offset and gain calibration. - What are some common applications of the AD5392BST-3?
Common applications include level setting in ATE, variable optical attenuators, optical switches, and industrial control systems.
