Overview
The AD9760ARZ50RL is a high-performance, low-power CMOS digital-to-analog converter (DAC) from Analog Devices Inc. It is part of the TxDAC series, which is optimized for the transmit signal path of communication systems. The AD9760 and its variant, AD9760-50, offer 10-bit resolution and are known for their excellent dynamic performance and low power dissipation. The AD9760ARZ50RL is specifically guaranteed and specified for 50 MSPS operation, making it suitable for various high-speed applications.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Resolution | 10 | Bits | ||
| Integral Linearity Error (INL) | -1.0 | ±0.5 | +1.0 | LSB |
| Differential Nonlinearity (DNL) | -0.5 | ±0.25 | +0.5 | LSB |
| Maximum Output Update Rate (fCLOCK) | 50 | MSPS | ||
| Output Settling Time (tST) (to 0.1%) | 35 | ns | ||
| Output Propagation Delay (tPD) | 1 | ns | ||
| Power Dissipation @ 5 V | 45 | mW | ||
| Power Dissipation @ 3 V | 25 | mW (Power-Down Mode) | ||
| Supply Voltage Range | 2.7 | 5.5 | V | |
| Full-Scale Output Current | 2 | 20 | mA | |
| Output Impedance | > 100 kΩ | Ω | ||
| Package Type | 28-Lead SOIC |
Key Features
- High-performance, low-power CMOS DAC with 10-bit resolution.
- Maximum output update rate of 50 MSPS for the AD9760-50 model.
- Segmented current source architecture combined with proprietary switching technique to enhance dynamic performance.
- Edge-triggered input latches and a 1.2 V temperature-compensated bandgap reference for a complete monolithic DAC solution.
- Flexible supply options supporting +3 V and +5 V CMOS logic families.
- Differential current outputs with matching to ensure enhanced dynamic performance in differential output configurations.
- Full-scale current adjustable from 2 mA to 20 mA, allowing for reduced power levels or additional gain ranging capabilities.
- Low power dissipation with a power-down mode reducing standby power to approximately 25 mW.
Applications
- Communication systems: basestations, set-top boxes, digital radio links.
- Direct Digital Synthesis (DDS).
- Instrumentation.
- Portable and low-power applications due to its flexible single-supply operating range and low power dissipation.
Q & A
- What is the resolution of the AD9760ARZ50RL DAC?
The AD9760ARZ50RL has a 10-bit resolution.
- What is the maximum output update rate for the AD9760-50 model?
The maximum output update rate for the AD9760-50 model is 50 MSPS.
- What is the supply voltage range for the AD9760ARZ50RL?
The supply voltage range is from 2.7 V to 5.5 V.
- What is the full-scale output current range of the AD9760ARZ50RL?
The full-scale output current is adjustable from 2 mA to 20 mA.
- What type of packages is the AD9760ARZ50RL available in?
The AD9760ARZ50RL is available in a 28-Lead SOIC package.
- What are the key applications of the AD9760ARZ50RL?
Key applications include communication systems, direct digital synthesis, instrumentation, and portable low-power applications.
- How does the AD9760ARZ50RL reduce spurious components and enhance dynamic performance?
The AD9760ARZ50RL uses a segmented current source architecture combined with a proprietary switching technique to reduce spurious components and enhance dynamic performance.
- What is the power dissipation of the AD9760ARZ50RL in power-down mode?
The power dissipation in power-down mode is approximately 25 mW.
- Can the AD9760ARZ50RL be driven by an external reference voltage?
- What is the output impedance of the AD9760ARZ50RL?
The output impedance is greater than 100 kΩ.
