AD9681

RECOMMENDED FOR NEW DESIGNS

Octal, 14-Bit, 125 MSPS, Serial LVDS, 1.8 V Analog-to-Digital Converter

Part Models
2
1ku List Price
Starting From $253.20
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Part Details

  • Low power 8 ADC channels integrated into 1 package 110 mW per channel at 125 MSPS with scalable power options
  • SNR: 74 dBFS (to Nyquist); SFDR: 90 dBc (to Nyquist)
  • DNL: ±0.8 LSB (typical); INL: ±1.2 LSB (typical)
  • Crosstalk, worst adjacent channel, 70 MHz, −1 dBFS: −83 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
  • Serial port control
    • Flexible bit orientation
    • Built-in and custom digital test pattern generation
    • Programmable clock and data alignment
    • Power-down and standby modes
AD9681
Octal, 14-Bit, 125 MSPS, Serial LVDS, 1.8 V Analog-to-Digital Converter
AD9681 Functional Block Diagram AD9681 Pin Configuration
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Documentation

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Hardware Ecosystem

Parts Product Life Cycle Description
Clock Distribution Devices 1
AD9508 RECOMMENDED FOR NEW DESIGNS 1.65 GHz Clock Fanout Buffer with Output Dividers and Delay Adjust
Clock Generation Devices 1
AD9516-3 RECOMMENDED FOR NEW DESIGNS 14-Output Clock Generator with Integrated 2.0 GHz VCO
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Tools & Simulations

Design Tool 2

AD9681 Simulink ADIsimADC Model

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Evaluation Kits

eval board
EVAL-AD9681

AD9681 Evaluation Board

Features and Benefits

  • 6V 2A switching supply (such as CUI EPS060250UH-PHP-SZ, supplied)
  • 12V, 3.3 A switching power supply
  • Analog signal source and anti aliasing filter
  • Analog Clock source if not using the on-board crystal
  • PC running Windows
  • USB 2.0 port recommended (USB 1.1 compatible)
  • AD9681 Evaluation Board (AD9681-125EBZ)
  • HSC-EVALEZ FPGA Based Data Capture Board

Product Details

The AD9681-125EBZ is an evaluation board for the AD9681, octal 14-bit ADC. This reference design provides the support circuitry required to operate the device in its various modes and configurations. It is designed to interface directly with the HSC-ADC-EVALEZ data capture card, allowing users to download captured data for analysis. The Visual Analog software package, which is used to interface with the device's hardware, allows users to download captured data for analysis with a user-friendly graphical interface. The SPI Controller software package is also compatible with this hardware, and allows the user to access the SPI programmable features of the AD9681.

The AD9681 data sheet provides additional information related to device configuration and performance, and should be consulted when using these tools. All documents and Visual Analog and SPI Controller are available at the High Speed ADC Evaluation Boards page. For additional information or questions, please email highspeed.converters@analog.com.

EVAL-AD9681
AD9681 Evaluation Board
AD9681-125EBZ with HSC-ADC-EVALEZ

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