AD9742ARUZ: A 14-Bit, 165 MSPS High-Speed CMOS DAC for Precision Signal Generation

Release date:2025-09-04 Number of clicks:50

**AD9742ARUZ: A 14-Bit, 165 MSPS High-Speed CMOS DAC for Precision Signal Generation**

In the realm of high-performance digital-to-analog conversion, the **AD9742ARUZ** stands out as a critical component for systems demanding both speed and precision. As a **14-bit, 165 MSPS (Mega Samples Per Second) DAC**, it is engineered to deliver exceptional dynamic performance and signal integrity, making it an ideal solution for applications such as communications infrastructure, medical imaging, and high-definition video synthesis.

Fabricated on an advanced **CMOS process**, the AD9742ARUZ achieves an optimal balance between power dissipation and performance. Its architecture is designed to minimize glitch energy and provide superior spurious-free dynamic range (SFDR), which is crucial for maintaining clean spectral content in generated waveforms. The DAC's **differential current outputs** allow for flexible interfacing with various output amplification circuits, including RF mixers or precision operational amplifiers, enabling both single-ended and differential analog signal configurations.

A key feature of this device is its integrated **1.2V internal reference**, which enhances design simplicity and stability by reducing external component count. For designs requiring greater flexibility, the reference can be overridden by an external source. The AD9742ARUZ also supports a **programmable full-scale output current**, adjustable from 2 mA to 20 mA, allowing designers to optimize power consumption and dynamic range for specific application needs.

The digital interface is designed for ease of use, accepting **14-bit parallel input data** with standard binary coding. Its high update rate of 165 MSPS ensures that even the most demanding signals can be reconstructed with high fidelity. Furthermore, the device includes a **sleep mode** function, significantly reducing power consumption during idle periods—a vital feature for portable and power-sensitive equipment.

Robust performance across temperature variations is ensured by its specified operating range of -40°C to +85°C, housed in a compact **28-lead TSSOP package** that is suitable for space-constrained PCB layouts.

**ICGOOFind**: The AD9742ARUZ is a high-speed, precision DAC that combines high resolution with a 165 MSPS conversion rate, making it a versatile and reliable choice for advanced signal generation systems where dynamic performance and power efficiency are paramount.

**Keywords**: High-Speed DAC, 14-Bit Resolution, 165 MSPS, CMOS Technology, Differential Outputs.

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