Overview
The AD9956YCPZ-REEL7, produced by Analog Devices Inc., is a high-performance AgileRF synthesizer that combines Direct Digital Synthesis (DDS) and Phase-Locked Loop (PLL) circuitry. This device is designed to provide fast frequency hopping and fine tuning resolution, making it ideal for applications requiring agile and precise frequency synthesis. The AD9956 features a 14-bit DAC, an internal high-speed, high-performance DAC, and an advanced phase frequency detector/charge pump combination. It operates over an extended temperature range of -40°C to +125°C, making it suitable for various environments, including automotive applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Input High Voltage (VIH) | 2.0 | V | LOGIC INPUTS (SDI/O, I/O_RESET, RESET, I/O_UPDATE, PS0 to PS2, SYNC_IN) | ||
| Input Low Voltage (VIL) | 0.8 | V | LOGIC INPUTS (SDI/O, I/O_RESET, RESET, I/O_UPDATE, PS0 to PS2, SYNC_IN) | ||
| Input Current (IINH, IINL) | ±1 | ±5 | µA | LOGIC INPUTS | |
| Maximum Input Capacitance (CIN) | 3 | pF | LOGIC INPUTS | ||
| Output High Voltage (VOH) | 2.7 | V | LOGIC OUTPUTS (SDO, SYNC_OUT, PLL_LOCK) | ||
| Output Low Voltage (VOL) | 0.4 | V | LOGIC OUTPUTS (SDO, SYNC_OUT, PLL_LOCK) | ||
| Output Current (IOH, IOL) | 100 | 100 | µA | LOGIC OUTPUTS | |
| Total Power Consumption | 400 | mW | All Functions On | ||
| DAC Resolution | 14 | Bits | |||
| Full-Scale Output Current | 10 | 15 | mA | ||
| Gain Error | -10 | +10 | % FS | ||
| Output Offset | 0.6 | µA | |||
| Output Capacitance | 5 | pF | |||
| Wideband SFDR (DC to Nyquist) | -64 | dBc | 10 MHz Analog Out | ||
| Operating Temperature Range | -40 | +125 | °C |
Key Features
- Advanced DDS Technology: Utilizes a 14-bit DAC and supports a user-defined linear sweep mode of operation.
- PLL Circuitry: Includes an advanced phase frequency detector/charge pump combination for precise frequency synthesis.
- High-Speed Operation: Supports frequency-agile analog output sinusoidal waveforms up to 2.7 GHz.
- Fast Frequency Hopping: Enables rapid changes in frequency with a 48-bit frequency tuning word.
- Programmable Charge Pump Current: Allows for digital control over the charge pump current.
- High-Speed Serial I/O: Supports a device write-speed of 25 Mb/s.
- Low Power Consumption: Total power consumption of 400 mW with all functions on.
- Extended Temperature Range: Operates from -40°C to +125°C, making it suitable for automotive and other harsh environments.
Applications
- Aerospace and Defense: Used in radar systems, communication equipment, and other military applications requiring agile frequency synthesis.
- Automotive: Suitable for automotive applications due to its extended temperature range and high reliability.
- Wireless Communication: Employed in wireless communication systems for frequency hopping and fine tuning.
- Test and Measurement: Used in test equipment for generating precise and agile waveforms.
- Medical Devices: Applied in medical imaging and diagnostic equipment requiring high-frequency signal generation.
Q & A
- What is the primary function of the AD9956YCPZ-REEL7?
The AD9956YCPZ-REEL7 is a Direct Digital Synthesis (DDS) and Phase-Locked Loop (PLL) synthesizer designed for agile and precise frequency synthesis.
- What is the resolution of the DAC in the AD9956YCPZ-REEL7?
The DAC resolution is 14 bits.
- What is the maximum frequency of the analog output sinusoidal waveforms?
The device can generate analog output sinusoidal waveforms up to 2.7 GHz.
- What is the operating temperature range of the AD9956YCPZ-REEL7?
The device operates over a temperature range of -40°C to +125°C.
- What is the write-speed of the serial I/O port?
The serial I/O port has a device write-speed of 25 Mb/s.
- Does the AD9956YCPZ-REEL7 support power-down modes?
Yes, it supports various power-down modes, including digital power-down, DAC power-down, RF divider power-down, clock driver power-down, and charge pump power-down.
- What is the typical total power consumption of the AD9956YCPZ-REEL7?
The total power consumption is typically 400 mW with all functions on.
- What are some common applications of the AD9956YCPZ-REEL7?
Common applications include aerospace and defense, automotive, wireless communication, test and measurement, and medical devices.
- How does the AD9956YCPZ-REEL7 achieve fast frequency hopping?
The device achieves fast frequency hopping through its 48-bit frequency tuning word and advanced DDS technology.
- What is the significance of the programmable charge pump current in the AD9956YCPZ-REEL7?
The programmable charge pump current allows for digital control over the charge pump, enhancing the device's flexibility and precision in frequency synthesis.
