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AD5328BRU

AD5328BRU Description

The AD5328BRU from Analog Devices Inc. is a 12-bit, 8-channel digital-to-analog converter (DAC) designed for precision voltage output applications. Housed in a compact 16-TSSOP package, this IC integrates eight DACs with an external reference architecture, offering flexibility in voltage range configuration. The device operates with dual power supplies (2.5V to 5.5V for both analog and digital domains), making it suitable for mixed-voltage systems. With a settling time of 10µs and low INL/DNL (±2 LSB, ±0.2 LSB), the AD5328BRU delivers high accuracy and fast response, ideal for dynamic control systems. Its SPI/DSP-compatible serial interface ensures seamless integration with microcontrollers and FPGAs.

AD5328BRU Features

• 12-bit resolution with 8-channel output for multi-channel applications.
• String DAC architecture ensures monotonicity and low glitch energy.
• Wide supply range (2.5V–5.5V) supports compatibility with 3.3V and 5V systems.
• Fast settling time (10µs) enables rapid signal updates.
• Low INL/DNL (±2 LSB, ±0.2 LSB) for high linearity and precision.
• SPI/DSP serial interface simplifies digital control.
• External reference allows adjustable full-scale output.
• Surface-mount TSSOP-16 package saves board space.

AD5328BRU Applications

The AD5328BRU excels in applications requiring multi-channel, precision voltage generation, such as:

• Industrial automation: Programmable logic controllers (PLCs), process control.
• Test and measurement equipment: Calibration systems, signal generators.
• Audio/video systems: Gain/offset adjustment, volume control.
• Communications infrastructure: Base station power amplifiers, RF tuning.
• Medical instrumentation: Patient monitoring, diagnostic devices.

Conclusion of AD5328BRU

The AD5328BRU stands out for its high channel density, precision performance, and flexible interface, making it a robust choice for multi-DAC systems. While now obsolete, its legacy design remains relevant for applications demanding low-power, high-accuracy voltage outputs. Engineers seeking alternatives should consider newer ADI DACs with enhanced features, but the AD5328BRU’s proven reliability ensures its continued use in legacy designs.