AD9650

RECOMMENDED FOR NEW DESIGNS

16-Bit, 25 MSPS/65 MSPS/80 MSPS/105 MSPS, 1.8 V Dual Analog-to-Digital Converter (ADC)

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Overview

  • 1.8 V analog supply operation
  • 1.8 V CMOS or LVDS output supply
  • SNR
    • 82 dBFS at 30 MHz input and 105 MSPS data rate
    • 83 dBFS at 9.7 MHz input and 25 MSPS data rate
  • SFDR
    • 90 dBc at 30 MHz input and 105 MSPS data rate
  • 95 dBc at 9.7 MHz input and 25 MSPS data rate
  • Low power
    • 328 mW per channel at 105 MSPS
    • 119 mW per channel at 25 MSPS
  • Integer 1-to-8 input clock divider
  • See data sheet for additional features

AD9650-EP supports defense and aerospace applications (AQEC standard)

The AD9650 is a dual, 16-bit, 25 MSPS/65 MSPS/80 MSPS/ 105 MSPS analog-to-digital converter (ADC) designed for digitizing high frequency, wide dynamic range signals with input frequencies of up to 300 MHz.

The dual ADC core features a multistage, differential pipelined architecture with integrated output error correction logic. Each ADC features wide bandwidth, differential sample-and-hold analog input amplifiers, and shared integrated voltage reference, which eases design considerations. A duty cycle stabilizer is provided to compensate for variations in the ADC clock duty cycle, allowing the converters to maintain excellent performance.

The ADC output data can be routed directly to the two external 16-bit output ports or multiplexed on a single 16-bit bus. These outputs can be set to either 1.8 V CMOS or LVDS.

Flexible power-down options allow significant power savings, when desired.

Programming for setup and control is accomplished using a 3-wire SPI-compatible serial interface.

The AD9650 is available in a 64-lead LFCSP and is specified over the industrial temperature range of −40°C to +85°C.

PRODUCT HIGHLIGHTS

  1. On-chip dither option for improved SFDR performance with low power analog input.
  2. Proprietary differential input that maintains excellent SNR performance for input frequencies up to 300 MHz.
  3. Operation from a single 1.8 V supply and a separate digital output driver supply accommodating 1.8 V CMOS or LVDS outputs.
  4. Standard serial port interface (SPI) that supports various product features and functions, such as data formatting (offset binary, twos complement, or gray coding), enabling the clock DCS, power-down, and test modes.
  5. Pin compatible with the AD9268 and other dual families, AD9269, AD9251, AD9231, and AD9204. This allows a simple migration across resolutions and bandwidth.

 

APPLICATIONS

  • Industrial instrumentation
  • X-Ray, MRI, and ultrasound equipment
  • High speed pulse acquisition
  • Chemical and spectrum analysis
  • Direct conversion receivers
  • Multimode digital receivers
  • Smart antenna systems
  • General-purpose software radios

AD9650

16-Bit, 25 MSPS/65 MSPS/80 MSPS/105 MSPS, 1.8 V Dual Analog-to-Digital Converter (ADC)

AD9650 Functional Block Diagram
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Documentation

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
Clock ICs 6
AD9510 RECOMMENDED FOR NEW DESIGNS 1.2 GHz Clock Distribution IC, PLL Core, Dividers, Delay Adjust, Eight Outputs
AD9511 RECOMMENDED FOR NEW DESIGNS 1.2 GHz Clock Distribution IC, PLL Core, Dividers, Delay Adjust, Five Outputs
AD9512 RECOMMENDED FOR NEW DESIGNS 1.2 GHz Clock Distribution IC, Two 1.6 GHz Inputs, Dividers, Delay Adjust, Five Outputs
AD9513 RECOMMENDED FOR NEW DESIGNS 800 MHz Clock Distribution IC, Dividers, Delay Adjust, Three Outputs
AD9514 RECOMMENDED FOR NEW DESIGNS 1.6 GHz Clock Distribution IC, Dividers, Delay Adjust, Three Outputs
AD9515 RECOMMENDED FOR NEW DESIGNS 1.6 GHz Clock Distribution IC, Dividers, Delay Adjust, Two Outputs
Differential Amplifiers 4
ADA4937-2 RECOMMENDED FOR NEW DESIGNS Ultralow Distortion Differential ADC Driver (Dual)
ADA4938-2 RECOMMENDED FOR NEW DESIGNS Ultralow Distortion Differential ADC Driver (Dual)
ADL5561 RECOMMENDED FOR NEW DESIGNS

2.9 GHz Ultralow Distortion RF/IF Differential Amplifier

ADL5562 RECOMMENDED FOR NEW DESIGNS 3.3 GHz Ultralow Distortion RF/IF Differential Amplifier
Variable Gain Amplifiers (VGA) 2
AD8376 RECOMMENDED FOR NEW DESIGNS Ultralow Distortion IF Dual VGA
AD8372 RECOMMENDED FOR NEW DESIGNS 41 dB Range, 1 dB Step Size, Programmable Dual VGA
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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.

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IBIS Model 1

S-Parameter 1

Visual Analog

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.

Open Tool

AD9650 Simulink ADIsimADC Model

Open Tool

Evaluation Kits

eval board
HSC-ADC-EVALCZ

FPGA-Based Data Capture Kit

Features and 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

Product Details

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.

eval board
EVAL-AD9650

AD9650 Evaluation Board

Features and Benefits

  • Full featured evaluation board for the AD9650
  • 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

Product Details

This page contains evaluation board documentation and ordering information for evaluating the AD9650.

The AD9650-105EBZ is an evaluation board for the AD9650, dual 16-bit ADC. This reference design provides all of the support circuitry to operate devices in their various modes and configurations. It is designed to interface directly with the HSC-ADC-EVALCZ 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 AD9650.

The AD9650 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.

HSC-ADC-EVALCZ
FPGA-Based Data Capture Kit
High_Speed_ADC_evalboard_05
EVAL-AD9650
AD9650 Evaluation Board
AD9650 Evaluation Board AD9650 Evaluation Board - Top View AD9650 Evaluation Board - Bottom View

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