Overview
The AD9754ARU, produced by Analog Devices Inc., is a 14-bit resolution digital-to-analog converter (DAC) that is part of the TxDAC family. This high-performance CMOS DAC is specifically optimized for the transmit signal path of communication systems. It offers exceptional AC and DC performance, supporting update rates up to 125 MSPS. The AD9754ARU is designed to provide a high level of quality and reliability, with a focus on low power consumption and excellent dynamic performance.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Resolution | - | 14 bits | - | - |
| Update Rate | - | - | 125 MSPS | - |
| Integral Nonlinearity (INL) | -2.5 | ±0.5 | +2.5 | LSB |
| Differential Nonlinearity (DNL) | -1.3 | ±0.4 | +1.3 | LSB |
| Full-Scale Output Current | 2 | - | 20 mA | - |
| Output Compliance Range | -1 | - | +1.25 V | - |
| Output Resistance | - | - | 100 kΩ | - |
| Output Capacitance | - | - | 5 pF | - |
| Supply Voltage | 4.5 V | 5 V | 5.5 V | - |
| Power Dissipation | - | - | 220 mW | - |
| Package | - | - | 28-Lead TSSOP (4.4mm x 9.7mm) | - |
Key Features
- High-performance 14-bit resolution DAC optimized for the transmit signal path of communication systems.
- Supports update rates up to 125 MSPS.
- Low power consumption with a power dissipation of 220 mW.
- Edge-triggered input latches and a temperature-compensated band gap reference for a complete monolithic DAC solution.
- Digital inputs support 3 V CMOS logic families.
- Segmented current source architecture combined with proprietary switching techniques to enhance dynamic performance and reduce spurious components.
- Power-down mode to reduce standby power dissipation.
- Pin-compatible with other TxDAC family members, allowing for easy component selection based on performance, resolution, and cost.
Applications
- Transmit signal path in communication systems.
- Wireless infrastructure, including base stations and repeaters.
- Cable and satellite transmission systems.
- Portable and low-power applications where high dynamic performance is required.
- Industrial and medical imaging systems that demand high-resolution and high-speed DACs.
Q & A
- What is the resolution of the AD9754ARU DAC?
The AD9754ARU has a 14-bit resolution.
- What is the maximum update rate supported by the AD9754ARU?
The AD9754ARU supports update rates up to 125 MSPS.
- What is the typical power dissipation of the AD9754ARU?
The typical power dissipation is 220 mW.
- What type of packages are available for the AD9754ARU?
The AD9754ARU is available in 28-Lead TSSOP (4.4mm x 9.7mm) packages.
- Does the AD9754ARU support power-down mode?
- What logic families do the digital inputs of the AD9754ARU support?
The digital inputs support 3 V CMOS logic families.
- What is the supply voltage range for the AD9754ARU?
The supply voltage range is from 4.5 V to 5.5 V.
- Is the AD9754ARU pin-compatible with other TxDAC family members?
- What are some common applications of the AD9754ARU?
- How does the AD9754ARU enhance dynamic performance?
The AD9754ARU uses a segmented current source architecture combined with proprietary switching techniques to enhance dynamic performance and reduce spurious components.
