Overview

Features and Benefits

  • Low power
    16 ADC channels integrated into 1 package
    58 mW per channel at 65 MSPS with scalable power options
    35 mW per channel at 20 MSPS
  • SNR: 75 dBFS (to Nyquist); SFDR: 90 dBc (to Nyquist)
  • DNL: ±0.6 LSB (typical); INL: ±0.9 LSB (typical)
  • Crosstalk, worst adjacent channel, 10 MHz, −1 dBFS:
    −90 dB typical
  • Serial LVDS (ANSI-644, default)
    Low power, reduced signal option (similar to IEEE 1596.3)
  • Data and frame clock outputs
  • 650 MHz full power analog bandwidth
  • 2 V p-p input voltage range
  • 1.8 V supply operation
  • See datasheet for additional features

Product Details

The AD9249 is a 16-channel, 14-bit, 65 MSPS analog-to-digital converter (ADC) with an on-chip sample-and-hold circuit that is designed for low cost, low power, small size, and ease of use. The device operates at a conversion rate of up to 65 MSPS and is optimized for outstanding dynamic performance and low power in applications where a small package size is critical.

The ADC requires a single 1.8 V power supply and an LVPECL-/ CMOS-/LVDS-compatible sample rate clock for full performance operation. No external reference or driver components are required for many applications.

The AD9249 automatically multiplies the sample rate clock for the appropriate LVDS serial data rate. Data clock outputs (DCO±1, DCO±2) for capturing data on the output and frame clock outputs (FCO±1, FCO±2) for signaling a new output byte are provided. Individual channel power-down is supported, and the device typically consumes less than 2 mW when all channels are disabled.

The ADC contains several features designed to maximize flexibility and minimize system cost, such as programmable clock and data alignment and programmable digital test pattern generation.

The available digital test patterns include built-in deterministic and pseudorandom patterns, along with custom user-defined test patterns entered via the serial port interface (SPI).

The AD9249 is available in an RoHS-compliant, 144-ball CSP-BGA. It is specified over the industrial temperature range of −40°C to +85°C. This product is protected by a U.S. patent.

PRODUCT HIGHLIGHTS

  1. Small Footprint. Sixteen ADCs are contained in a small, 10 mm × 10 mm package.
  2. Low Power of 35 mW/Channel at 20 MSPS with scalable power options.
  3. Ease of Use. Data clock outputs (DCO±1, DCO±2) operate at frequencies of up to 455 MHz and support double data rate (DDR) operation.
  4. User Flexibility. SPI control offers a wide range of flexible features to meet specific system requirements.

APPLICATIONS

  • Medical imaging
  • Communications receivers
  • Multichannel data acquisition

Product Lifecycle icon-recommended 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)

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.

VirtualEval

Product Recommendations

AD9249 Companion Parts

Recommended ADC Drivers

Recommended Clock Drivers

Recommended Linear Regulator

  • For high power supply rejection and excellent line and load transient response: ADP1706.

Recommended Step Down DC-DC Converter

  • For high efficiency and low quiescent current: ADP2108.

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.

Discussions

AD9249 Discussions

RE: AD9257 Xilinx IP
13 week(s) ago in Speed ADCs
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Evaluation Boards Pricing displayed is based on 1-piece.
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.