Overview
Features and Benefits
- 2.5 GSPS internal clock speed
- Integrated 12-bit DAC
- Frequency tuning resolution to 135 pHz
- 16-bit phase tuning resolution
- 12-bit amplitude scaling
- Programmable modulus
- Automatic linear and nonlinear frequency sweeping capability
- 32-bit parallel datapath interface
- 8 frequency/phase offset profiles
- Phase noise: −128 dBc/Hz (1 kHz offset at 978 MHz)
- Wideband SFDR < −57 dBc
- Serial or parallel input/output control
- 1.8 V/3.3 V power supplies
- Software and hardware controlled power-down
- 88-lead LFCSP package
- PLL REF CLK multiplier
- Phase modulation capability
- Amplitude modulation capability
- Multichip synchronization
Product Details
The AD9915 is a direct digital synthesizer (DDS) featuring a 12-bit DAC. The AD9915 uses advanced DDS technology, coupled with an internal high speed, high performance DAC to form a digitally programmable, complete high frequency synthesizer capable of generating a frequency-agile analog output sinusoidal waveform at up to 1.0 GHz. The AD9915 enables fast frequency hopping and fine tuning resolution (64-bit capable using programmable modulus mode). The AD9915 also offers fast phase and amplitude hopping capability. The frequency tuning and control words are loaded into the AD9915 via a serial or parallel input/output port. The AD9915 also supports a user defined linear sweep mode of operation for generating linear swept waveforms of frequency, phase, or amplitude. A high speed, 32-bit parallel data input port is included, enabling high data rates for polar modulation schemes and fast reprogramming of the phase, frequency, and amplitude tuning words.
The AD9915 is specified to operate over the extended industrial temperature range.
APPLICATIONS
- Agile LO frequency synthesis
- Programmable clock generator
- FM chirp source for radar and scanning systems
- Test and measurement equipment
- Acousto-optic device drivers
- Polar modulator
- Fast frequency hopping
Product Categories
Markets and Technologies
Product Lifecycle
Recommended for New Designs
This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.
Evaluation Kits (1)
Documentation & Resources
Tools & Simulations
IBIS Models
Design Tools
ADIsimDDS (Direct Digital Synthesis)
ADIsimDDS uses mathematical equations to model and illustrate the overall performance of the selected device. ADIsimDDS calculates the required FTW, given the reference clock frequency and desired output frequency. This tool also models an estimate of the overall spectral performance, and allows the user to explore the effects of external reconstruction filters.
Product Recommendations
AD9915 Companion Parts
Recommended Clock Distribution Device
Recommended Clock Generation Device
Recommended PLL with Integrated VCO
Design Resources
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal.View our quality and reliability program and certifications for more information.
| Part Number | Material Declaration | Reliability Data | Pin/Package Drawing | CAD Symbols, Footprints & 3D Models |
|---|---|---|---|---|
| AD9915BCPZ | Material Declaration | Reliability Data | 88-Lead LFCSP (12mm x 12mm w/ EP) | |
| AD9915BCPZ-REEL7 | Material Declaration | Reliability Data | 88-Lead LFCSP (12mm x 12mm w/ EP) | |
| Wafer Fabrication Data |
PCN-PDN Information
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Support & Discussions
AD9915 Discussions
RE: AD9915 Frequency sweep
18 week(s) ago in Direct Digital Synthesis (DDS)
Sample & Buy
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Evaluation Boards
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Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.