Overview
The AD9751ASTRL is a high-speed, 10-bit CMOS Digital-to-Analog Converter (DAC) produced by Analog Devices Inc. This device is part of the TxDAC+ family and is designed for ultrahigh speed applications, supporting update rates up to 300 Mega Samples Per Second (MSPS). The AD9751 integrates a high-quality 10-bit DAC core, a voltage reference, and digital interface circuitry into a compact 48-lead LQFP package. It offers exceptional AC and DC performance, making it suitable for applications where high data rates are required.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Resolution | - | 10 bits | - | - |
| Conversion Rate | - | 300 MSPS | - | - |
| Input Ports | - | Dual 10-bit latched, multiplexed | - | - |
| Power Supply | 3.0 V | 3.3 V | 3.6 V | V |
| Power Consumption | - | 155 mW | - | mW |
| Full-Scale Current | 2 mA | - | 20 mA | mA |
| Voltage Reference | - | 1.20 V (temperature compensated) | - | V |
| Package Type | - | 48-Lead LQFP (7mm x 7mm) | - | - |
Key Features
- Ultrahigh Speed Conversion Rate: Supports update rates up to 300 MSPS, making it ideal for high-speed applications.
- Dual Muxed Input Ports: Features two buffered latches and control logic, allowing for time multiplexing and interleaving of data from two input channels.
- Low Power Consumption: Operates on a single supply of 3.0 V to 3.6 V and consumes 155 mW of power.
- On-Chip Voltage Reference: Includes a 1.20 V temperature-compensated bandgap voltage reference.
- Segmented Current Source Architecture: Uses a proprietary switching technique to reduce glitch energy and maximize dynamic accuracy.
- Differential Current Outputs: Supports single-ended or differential applications with nominal full-scale current from 2 mA to 20 mA.
Applications
The AD9751ASTRL is optimized for ultrahigh speed applications, including but not limited to:
- Wireless Communication Systems: High-speed data conversion is crucial in wireless communication systems for transmitting and receiving data efficiently.
- Radar Systems: The high conversion rate and low power consumption make it suitable for radar systems that require rapid data processing.
- Medical Imaging: Used in medical imaging equipment where high-speed data conversion is necessary for real-time imaging.
- Test and Measurement Equipment: Ideal for high-speed test and measurement applications requiring precise and rapid data conversion.
Q & A
- What is the resolution of the AD9751ASTRL DAC?
The AD9751ASTRL has a resolution of 10 bits.
- What is the maximum conversion rate of the AD9751ASTRL?
The maximum conversion rate is 300 MSPS.
- How many input ports does the AD9751ASTRL have?
The AD9751ASTRL features dual 10-bit latched, multiplexed input ports.
- What is the power supply range for the AD9751ASTRL?
The power supply range is from 3.0 V to 3.6 V.
- How much power does the AD9751ASTRL consume?
The AD9751ASTRL consumes 155 mW of power.
- What is the full-scale current range of the AD9751ASTRL?
The full-scale current can be set from 2 mA to 20 mA.
- Does the AD9751ASTRL have an on-chip voltage reference?
Yes, it includes a 1.20 V temperature-compensated bandgap voltage reference.
- What type of package does the AD9751ASTRL come in?
The AD9751ASTRL comes in a 48-Lead LQFP (7mm x 7mm) package.
- What are some common applications of the AD9751ASTRL?
Common applications include wireless communication systems, radar systems, medical imaging, and test and measurement equipment.
- How does the AD9751ASTRL handle high-speed data conversion?
The AD9751ASTRL uses a PLL to drive the DAC latch at twice the speed of the externally applied clock and can interleave data from two input channels.
