Features and Benefits
- SNR = 47 dBFS at fIN up to
250 MHz at 500 MSPS
- ENOB of 7.5 bits at fIN up to
250 MHz at 500 MSPS
- SFDR = 79 dBc at fIN up to
250 MHz at 500 MSPS
- Integrated input buffer
- Excellent linearity
-- DNL = ±0.1 LSB typical
-- INL = ±0.1 LSB typical
- LVDS at 500 MSPS
- 1 GHz full power analog bandwidth
- Pin Compatible with AD9434 and AD9230, ADCs
- See datasheet for additional features
The AD9484 is an 8-bit, monolithic, sampling analog-to-digital converter (ADC) optimized for high performance, low power, and ease of use. The part operates at up to a 500 MSPS conversion rate and is optimized for outstanding dynamic performance in wideband carrier and broadband systems. All necessary functions, including a sample-and-hold and voltage reference, are included on the chip to provide a complete signal conversion solution. The VREF pin can be used to monitor the internal reference or provide an external voltage reference (external reference mode must be enabled through the SPI port).
The ADC requires a 1.8 V analog voltage supply and a differential clock for full performance operation. The digital outputs are LVDS (ANSI-644) compatible and support twos complement, offset binary format, or Gray code. A data clock output is available for proper output data timing.
Fabricated on an advanced BiCMOS process, the AD9484 is available in a 56-lead LFCSP, and is specified over the industrial temperature range (−40°C to +85°C). This product is protected under U.S. and international patents.
- Wireless and wired broadband communications
- Cable reverse path
- Communications test equipment
- Low cost digital oscilloscopes
- Satellite subsystems
- Power amplifier linearization
- High Performance.
Maintains 47 dBFS SNR at 500 MSPS with a 250 MHz input.
- Ease of Use.
LVDS output data and output clock signal allow interface to current FPGA technology. The on-chip reference and sample and hold provide flexibility in system design. Use of a single 1.8 V supply simplifies system power supply design.
- Serial Port Control.
Standard serial port interface supports various product functions, such as data formatting, disabling the clock duty cycle stabilizer, power-down, gain adjust, and output test pattern generation.
- Pin compatible with AD9434, 12-bit 500Msps and AD9230, 12-bit 250Msps ADCs.
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 (2)
This page contains evaluation board documentation and ordering information for evaluating the AD9484.
Features & Benefits
- Full featured evaluation board for the AD9434 and AD9484
- SPI interface for setup and control
- External, on-board oscillator or AD9517 clocking options
- Balun/transformer or amplifier input drive options
- LDO regulator or switching power supply options
- VisualAnalog and SPI controller software interfaces
The HSC-ADC-EVALCZ high speed converter evaluation platform uses an FPGA based buffer memory board to capture blocks of digital data from the Analog Devices high speed analog-to-digital converter (ADC) evaluation boards. The board is connected to the PC through a USB port and is used with VisualAnalog® to quickly evaluate the performance of high speed ADCs. The evaluation kit is easy to set up. Additional equipment needed includes an Analog Devices high speed ADC evaluation board, a signal source, and a clock source. Once the kit is connected and powered, the evaluation is enabled instantly on the PC.
Features & Benefits
- 64kB FIFO Depth
- Works with single and multi-channel ADCs
- Use with VisualAnalog® software
- Based on Virtex-4 FPGA
- May require adaptor to interface with some ADC eval boards
- Allows programming of SPI control Up to 644 MSPS SDR / 800MSPS DDR Encode Rates on each channel
- DDR Encode Rates on each channel
Application Notes (12)
Tools & Simulations
Virtual Eval - BETA
Virtual Eval is a web application to assist designers in product evaluation of ADCs, DACs, and other ADI products. Using detailed models on Analog’s servers, Virtual Eval simulates crucial part performance characteristics within seconds. Configure operating conditions such as input tones and external jitter, as well as device features like gain or digital down-conversion. Performance characteristics include noise, distortion, and resolution, FFTs, timing diagrams, response plots, and more.
AD9434/AD9484 IBIS Model
For designers who are selecting or evaluating high speed ADCs, VisualAnalog™ is a software package that combines a powerful set of simulation and data analysis tools with a user-friendly graphical interface.
AD9484 Companion Parts
Recommended Clock Drivers
- For low jitter performance: AD9510, AD9511, AD9512, AD9513, AD9514, AD9515.
- For low jitter performance along with on chip PLL and VCO: AD9523, AD9524.
Recommended Driver Amplifiers
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.
Sample & Buy
The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.