AD9656
Info : RECOMMENDED FOR NEW DESIGNS
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AD9656

Quad, 16-Bit, 125 MSPS JESD204B 1.8 V Analog-to-Digital Converter

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Info : RECOMMENDED FOR NEW DESIGNS tooltip
Info : RECOMMENDED FOR NEW DESIGNS tooltip
Part Models 2
1ku List Price Starting From $331.61
Features
  • SNR = 79.9 dBFS at 16 MHz (VREF = 1.4 V) 
  • SNR = 78.1 dBFS at 64 MHz (VREF = 1.4 V) 
  • SFDR = 86 dBc to Nyquist (VREF = 1.4 V) 
  • JESD204B Subclass 1 coded serial digital outputs 
  • Flexible analog input range: 2.0 V p-p to 2.8 V p-p 
  • 1.8 V supply operation 
  • Low power: 197 mW per channel at 125 MSPS (two lanes) 
  • DNL = ±0.6 LSB (VREF = 1.4 V) 
  • INL = ±4.5 LSB (VREF = 1.4 V) 
  • 650 MHz analog input bandwidth, full power 
  • Serial port control 
    • Full chip and individual channel power-down modes 
    • Built-in and custom digital test pattern generation 
    • Multichip sync and clock divider 
    • Standby mode
Additional Details
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The AD9656 is a quad, 16-bit, 125 MSPS analog-to-digital converter (ADC) with an on-chip sample and hold circuit designed for low cost, low power, small size, and ease of use. The device operates at a conversion rate of up to 125 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 LVPECL-/CMOS-/LVDS-compatible sample rate clock for full performance operation. An external reference or driver components are not required for many applications.

Individual channel power-down is supported and typically consumes less than 14 mW when all channels are disabled. The ADC contains several features designed to maximize flexibility and minimize system cost, such as a programmable output clock, data alignment, and digital test pattern generation. The available digital test patterns include built-in deterministic and pseudo-random patterns, along with custom user-defined test patterns entered via the serial port interface (SPI).

The AD9656 is available in an RoHS compliant, nonmagnetic, 56-lead LFCSP. It is specified over the −40°C to +85°C industrial temperature range.


Product Highlights

  1. It has a small footprint. Four ADCs are contained in a small, 8 mm × 8 mm package. 
  2. An on-chip phase-locked loop (PLL) allows users to provide a single ADC sampling clock; the PLL multiplies the ADC sampling clock to produce the corresponding JESD204B data rate clock. 
  3. The configurable JESD204B output block supports up to 8.0 Gbps per lane. 
  4. JESD204B output block supports one, two, and four lane configurations. 
  5. Low power of 198 mW per channel at 125 MSPS, two lanes.
  6. The SPI control offers a wide range of flexible features to meet specific system requirements.


Applications

  • Medical imaging
  • High speed imaging
  • Quadrature radio receivers
  • Diversity radio receivers
  • Portable test equipment
Part Models 2
1ku List Price Starting From $331.61

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Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
AD9656BCPZ-125
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AD9656BCPZRL7-125
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Product Lifecycle

PCN

Jan 18, 2017

- 16_0079

AD9656 Datasheet Specification Updates

AD9656BCPZ-125

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AD9656BCPZRL7-125

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Jan 18, 2017

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Software & Part Ecosystem

 
JESD204x Frame Mapping Table Generator
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The JESD204x Frame Mapping Table Generator tool consists of two Windows executables that will allow the user to input any valid combination of JESD204x parameters (L, M, F, S, NP) in order to output a .csv file that illustrates the frame mapping of the JESD204x mode in table format. There is an executable that allows the user to input a single JESD204x mode and another, that allows the user to input the parameters for multiple JESD204x modes in a specified .csv format in order to output a .csv file that illustrates the frame mapping of each of the JESD204x modes that were input into separate tables.

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Evaluation Kits 1

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EVAL-AD9656

AD9656 Evaluation Board

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EVAL-AD9656

AD9656 Evaluation Board

AD9656 Evaluation Board

Features and Benefits

  • 6V 2A switching supply (such as CUI EPS060250UH-PHP-SZ) (optional)
  • 12V, 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)
  • AD9656 Evaluation Board (AD9656EBZ)
  • HSC-ADC-EVALEZ Data Capture Board


Product Detail

The AD9656EBZ is an evaluation board for the AD9656, quad 16-bit ADC. This reference design provides all of the support circuitry required to operate the devices in their 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 AD9656.

The AD9656 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

Tools & Simulations 5

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