Overview
The AD9913BCPZ from Analog Devices Inc. is a high-performance, low-power Direct Digital Synthesizer (DDS) designed for applications requiring precise and agile frequency generation. This component is particularly suited for portable, handheld, and battery-powered equipment due to its stringent power consumption limits. The AD9913 features a 10-bit digital-to-analog converter (DAC) that operates up to 250 MSPS, enabling the generation of frequency-agile analog output sinusoidal waveforms up to 100 MHz. It also includes advanced DDS technology, a high-speed clock multiplier, and an internal oscillator, allowing for flexible system clock generation.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| REF_CLK Input Frequency (Multiplier Disabled) | - | - | 250 | MHz |
| REF_CLK Input Frequency (Multiplier Enabled) | - | - | 250 | MHz |
| DAC Full-Scale Current | - | - | 2 | mA |
| Supply Voltage (AVDD, DVDD, DVDD_I/O) | 1.8 - 5% | 1.8 | 1.8 + 5% | V |
| Operating Temperature Range | -40 | - | +85 | °C |
| Package Type | - | - | 32-VFQFN Exposed Pad, CSP | - |
Key Features
- 10-bit digital-to-analog converter (DAC) operating up to 250 MSPS.
- Generation of frequency-agile analog output sinusoidal waveforms up to 100 MHz.
- Advanced DDS technology for fast frequency hopping and fine tuning resolution.
- Fine resolution phase offset control.
- User-defined linear sweep mode for generating highly linearized swept waveforms.
- Internal oscillator and high-speed clock multiplier for flexible system clock generation.
- Externally controlled power-down feature and software programmable power-down bits.
- Serial or parallel I/O port for control word loading.
Applications
- Radar and scanning systems.
- Portable, handheld, and battery-powered equipment.
- Systems requiring precise and agile frequency generation.
- Applications needing fast frequency hopping and fine tuning resolution.
Q & A
- What is the maximum frequency of the REF_CLK input when the multiplier is disabled?
250 MHz.
- What is the resolution of the DAC in the AD9913?
10-bit.
- What is the maximum operating frequency of the DAC?
Up to 250 MSPS.
- What is the typical supply voltage for the AD9913?
1.8 V ± 5%.
- What is the operating temperature range of the AD9913?
-40°C to +85°C.
- Does the AD9913 support power-down modes?
Yes, it supports externally controlled power-down and software programmable power-down bits.
- How can control words be loaded into the AD9913?
Through the serial or parallel I/O port.
- What package type is the AD9913 available in?
32-VFQFN Exposed Pad, CSP.
- What are some typical applications of the AD9913?
Radar and scanning systems, portable and battery-powered equipment.
- Does the AD9913 support linear sweep mode?
Yes, it supports a user-defined linear sweep mode for generating highly linearized swept waveforms.
