AD9228:  Quad, 12-Bit, 40/65 MSPS Serial LVDS 1.8 V A/D Converter

The AD9228 is a quad, 12-bit, 40/65 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 product operates ...More

To drive this ADC in DC-coupled applications, we suggest AD8139 or ADA4938-1. To drive this ADC in AC-coupled applications, we suggest AD8351. To select a VGA to use with this ADC, please visit our VGA selection table.

Technical Article: Complete Analog Front End (AFE) for Advanced Ultrasound Equipment

For additional ADI Healthcare Products and related information, please visit www.analog.com/healthcare.

AD9228:  Quad, 12-Bit, 40/65 MSPS Serial LVDS 1.8 V A/D Converter

Product Description

The AD9228 is a quad, 12-bit, 40/65 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 product 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 LVPECL-/ CMOS-/LVDS-compatible sample rate clock for full performance operation. No external reference or driver components are required for many applications.

The ADC automatically multiplies the sample rate clock for the appropriate LVDS serial data rate. A data clock output (DCO) for capturing data on the output and a frame clock output (FCO) for signaling a new output byte are provided. Individual-channel power-down is supported and 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 AD9228 is available in an RoHS compliant, 48-lead LFCSP. It is specified over the industrial temperature range of −40°C to +85°C.

Product Highlights

  1. Small Footprint. Four ADCs are contained in a small, space-saving package.
  2. Low power of 119 mW/channel at 65 MSPS.
  3. Ease of Use. A data clock output (DCO) is provided that operates at frequencies of up to 390 MHz and supports double data rate (DDR) operation.
  4. User Flexibility. The SPI control offers a wide range of flexible features to meet specific system requirements.
  5. Pin-Compatible Family. This includes the AD9287 (8-bit), AD9219 (10-bit), and AD9259 (14-bit).

Applications

  • Medical imaging and nondestructive ultrasound
  • Portable ultrasound and digital beam-forming systems
  • Quadrature radio receivers
  • Diversity radio receivers
  • Tape drives
  • Optical networking
  • Test equipment

    • Data Sheet, Rev. B, 7/07

    Features

    • 4 ADCs integrated into 1 package
    • 119 mW ADC power per channel at 65 MSPS
    • SNR = 70 dB (to Nyquist)
    • ENOB = 11.3 bits
    • SFDR = 82 dBc (to Nyquist)
    • Excellent linearity
      DNL = ±0.3 LSB (typical)
      INL = ±0.4 LSB (typical)
    • Serial LVDS (ANSI-644, default)
      Low power, reduced signal option (similar to IEEE 1596.3)
    • Data and frame clock outputs
    • 315 MHz full-power analog bandwidth
    • 2 V p-p input voltage range
    • 1.8 V supply operation
    • Serial port control
      Full-chip and individual-channel power-down modes
      Flexible bit orientation
      Built-in and custom digital test pattern generation
      Programmable clock and data alignment
      Programmable output resolution
      Standby mode

    Diagrams

    AD9228 Diagram
    Functional Block Diagram for AD9228

    Specifications

    Resolution (Bits) 12bit
    T-Put Rate 65MSPS
    # Chan 4
    Supply V Multi(+1.8Anlg, +1.8Dig)
    Pwr Diss 510mW
    Interface LVDS,Ser
    Ain Range 2 V p-p
    SNR (dB) 70dB
    Pkg Type CSP

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    Part# Bits Throughput Rate # of Inputs Operating Pwr Diss
    AD9228-65 12 65MSPS 4 510mW
    AD9627-80 12 80MSPS 2 490mW
    AD9219-65 10 65MSPS 4 408mW
    AD9226 12 65MSPS 1 500mW
    AD9626-170 12 170MSPS 1 291mW
    AD9626-250 12 250MSPS 1 390mW
    AD9236 12 80MSPS 1 411mW
    AD9230-170 12 170MSPS 1 407mW
    AD9230-250 12 250MSPS 1 463mW
    AD9235-65 12 65MSPS 1 350mW
    AD9233-125 12 125MSPS 1 425mW
    Pricing, Packaging & Availability

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    Status
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    Package Description
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    For detailed drawings and chemical composition please consult our  Package Site

    Pin Count
    Pin Count is the number of pins, balls, or pads on the device. Pin-out diagrams & pin function descriptions may be found in the datasheet.

    Temperature Range
    This is the acceptable operating range of the device. The various ranges specified are as follows:
    • Commercial: 0 to +70 degrees Celsius
    • Military : -55 to +125 degrees Celsius
    • Industrial: Temperature ranges may vary by model. Please consult the datasheet for more information.
    • Automotive: -40 to +125 degrees Celsius
    Price
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    RoHS Compliant
    Due to environmental concerns, ADI offers many of our products in lead-free versions. For more information about lead-free parts, please consult our Pb (Lead) free information page.

    *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.
    **Sample availability may be better than production availability. Please enter samples into your cart to check sample availability.

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