Overview
The AD9951YSV-REEL7, produced by Analog Devices Inc., is a high-performance Direct Digital Synthesizer (DDS) designed for advanced signal generation applications. This 14-bit DDS operates at speeds of up to 400 MSPS (Mega Samples Per Second) and is built using 1.8 V CMOS technology. The device is highly versatile, featuring a serial I/O port for loading frequency tuning and control words, and it supports an extended industrial temperature range of −40°C to +105°C. The AD9951 is packaged in a 48-lead TQFP-48-EP (7x7) package, making it suitable for a wide range of industrial and commercial applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Reference Clock Frequency (REFCLK Multiplier Disabled) | 1 | - | 400 | MHz |
| Reference Clock Frequency (REFCLK Multiplier Enabled at 4×) | 20 | - | 100 | MHz |
| DAC Output Sample Rate | - | - | 400 | MSPS |
| DAC Resolution | - | - | 14 bits | - |
| Supply Voltage (AVDD, DVDD) | 1.71 | 1.8 | 1.89 | V |
| Supply Voltage (DVDD_I/O) | 3.15 | 3.3 | 3.45 | V |
| Operating Temperature Range | -40 | - | 105 | °C |
| Maximum Junction Temperature | - | - | 150 | °C |
Key Features
- High-Speed Operation: The AD9951 operates at up to 400 MSPS, making it suitable for high-frequency signal generation.
- Advanced DDS Technology: Utilizes advanced DDS technology for precise and flexible signal synthesis.
- Serial I/O Port: Allows for easy loading of frequency tuning and control words.
- Synchronization Capabilities: Features SYNC_IN and SYNC_CLK pins for synchronizing multiple AD9951 devices.
- On-Off Keying (OOK) Support: Includes an OSK input pin for controlling the direction of shaped on-off keying functions.
- Industrial Temperature Range: Operates over an extended industrial temperature range of −40°C to +105°C.
- Low Power Consumption: Designed with low power consumption in mind, making it energy-efficient.
Applications
- Radar and Electronic Warfare Systems: The high-speed and precise signal generation capabilities make it ideal for radar and electronic warfare applications.
- Wireless Communication Systems: Suitable for use in wireless communication systems requiring high-frequency signal generation.
- Medical Imaging and Diagnostic Equipment: Can be used in medical imaging and diagnostic equipment that require precise signal synthesis.
- Test and Measurement Equipment: Useful in test and measurement equipment for generating a wide range of frequencies.
- Aerospace and Defense Systems: Applicable in aerospace and defense systems due to its robust performance and wide temperature range.
Q & A
- What is the maximum sample rate of the AD9951?
The AD9951 can operate at a maximum sample rate of 400 MSPS.
- What is the resolution of the DAC in the AD9951?
The DAC resolution of the AD9951 is 14 bits.
- What is the operating temperature range of the AD9951?
The AD9951 operates over an extended industrial temperature range of −40°C to +105°C.
- How is the frequency tuning and control loaded into the AD9951?
The frequency tuning and control words are loaded into the AD9951 via a serial I/O port.
- What is the purpose of the SYNC_IN and SYNC_CLK pins?
The SYNC_IN and SYNC_CLK pins are used for synchronizing multiple AD9951 devices.
- Does the AD9951 support on-off keying (OOK) functions?
Yes, the AD9951 includes an OSK input pin for controlling the direction of shaped on-off keying functions.
- What is the package type of the AD9951YSV-REEL7?
The AD9951YSV-REEL7 is packaged in a 48-lead TQFP-48-EP (7x7) package.
- What are some typical applications of the AD9951?
The AD9951 is typically used in radar and electronic warfare systems, wireless communication systems, medical imaging and diagnostic equipment, test and measurement equipment, and aerospace and defense systems.
- What is the maximum junction temperature of the AD9951?
The maximum junction temperature of the AD9951 is 150°C.
- Is the AD9951 RoHS compliant?
Yes, the AD9951YSV-REEL7 is RoHS compliant.
