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AD9239:  Quad, 12-Bit, 170 MSPS/210 MSPS/250 MSPS Serial Output 1.8 V ADC

The AD9239 is a quad, 12-bit, 250 MSPS analog-to-digital converter (ADC) with an on-chip temperature sensor and a high speed serial interface. It is designed to support digitizing high frequency, wide dynamic range signals with an input bandwidth up to 780 MHz. The output data are serialized and presented in packet format, consisting of channel-specific information, coded samples, and error ...More

AD9239:  Quad, 12-Bit, 170 MSPS/210 MSPS/250 MSPS Serial Output 1.8 V ADC

Product Description

The AD9239 is a quad, 12-bit, 250 MSPS analog-to-digital converter (ADC) with an on-chip temperature sensor and a high speed serial interface. It is designed to support digitizing high frequency, wide dynamic range signals with an input bandwidth up to 780 MHz. The output data are serialized and presented in packet format, consisting of channel-specific information, coded samples, and error correction code.

The ADC requires a single 1.8 V power supply and the input clock may be driven differentially with a sine wave, LVPECL, TTL, or LVDS. A clock duty cycle stabilizer allows high performance at full speed with a wide range of clock duty cycles. The on-chip reference eliminates the need for external decoupling and can be adjusted by means of SPI control.

Various power-down and standby modes are supported. The ADC typically consumes 145 mW per channel with the digital link still in operation when standby operation is enabled.

Fabricated on an advanced CMOS process, the AD9239 is avail-able in a Pb-free/RoHS-compliant, 72-lead LFCSP package. It is specified over the industrial temperature range of −40°C to +85°C.

Product Highlights

  1. Four ADCs are contained in a small, space-saving package.
  2. An on-chip PLL allows users to provide a single ADC sampling clock, and the PLL distributes and multiplies up to produce the corresponding data rate clock.
  3. Coded data rate supports up to 4.0 Gbps per channel. Coding includes scrambling to ensure proper dc common mode, embedded clock, and error correction.
  4. The AD9239 operates from a single 1.8 V power supply.
  5. Flexible synchronization schemes and programmable mode pins.
  6. On-chip temperature sensor.

Applications

  • Communication receivers
  • Cable head end equipment/M-CMTS
  • Broadband radios
  • Wireless infrastructure transceivers
  • Radar/military-aerospace subsystems
  • Test equipment

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EVALUATION BOARDS & DEVELOPMENT KITS

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TOOLS, SOFTWARE & SIMULATION MODELS

  • 4 ADCs in 1 package
  • Coded serial digital outputs with ECC per channel
  • On-chip temperature sensor
  • −95 dB channel-to-channel crosstalk
  • SNR = 65 dBFS with AIN = 85 MHz at 250 MSPS
  • SFDR = 77 dBc with AIN = 85 MHz at 250 MSPS
  • Excellent linearity
    DNL = ±0.3 LSB (typical)
    INL = ±0.7 LSB (typical)
  • See data sheet for additional features
  • Resolution (Bits): 12bit
  • T-Put Rate: 250MSPS
  • # Chan: 4
  • Supply V: Multi(+1.8Anlg, +1.8Dig),Single(+1.8)
  • Pwr Diss: 1.139W
  • Interface: Ser
  • Ain Range: 1.25 V p-p
  • SNR (dB): 64.5dB
  • Pkg Type: CSP

Functional Block Diagram for AD9239

Of Note ...

To drive this ADC in DC-coupled applications, we suggest ADA4937-1. To drive this ADC in AC-coupled applications, we suggest AD8352 or AD8375. To drive this ADC with an IF VGA, we suggest AD8376 or AD8372.

Similar Products

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Part# Bits Throughput Rate # of Inputs Operating Pwr Diss
AD9230-250 12 250MSPS 1 434mW
AD9626-250 12 250MSPS 1 390mW
AD9239-250 12 250MSPS 4 1.526W
AD9239-170 12 170MSPS 4 1.139W
AD9228-65 12 65MSPS 4 510mW
AD9229-50 12 50MSPS 4 1.083W
AD9228-40 12 40MSPS 4 510mW
AD7934 12 1.5MSPS 4 16mW
AD7866 12 1MSPS 4 24mW
AD7366 12 1MSPS 4 88.8mW
AD7924 12 1MSPS 4 13.5mW
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Pricing, Packaging & Availability

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Model
The model number is a specific version of a generic that can be purchased or sampled.

Status
Status indicates the current lifecycle of the product. This can be one of 4 stages:
  • Pre-Release: The model has not been released to general production, but samples may be available.
  • Production: The model is currently being produced, and generally available for purchase and sampling.
  • Last Time Buy: The model has been scheduled for obsolescence, but may still be purchased for a limited time.
  • Obsolete: The specific part is obsolete and no longer available. Other models listed in the table may still be available (if they have a status that is not obsolete).
Package Description
The package for this IC (i.e. DIP, SOIC, BGA). An Evaluation Board is a board engineered to show the performance of the model, the part is included on the board.

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
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.

Production Availability
This is the date Analog Devices, Inc. anticipates that the product will ship from the warehouse. Most orders ship within 48 hours of this date.Once an order has been placed, Analog Devices, Inc. will send an Order Acknowledgement email to confirm your delivery date. It is important to note the scheduled dock date on the order entry screen. We do take orders for items that are not in stock, so delivery may be scheduled at a future date. Also, please note the warehouse location for the product ordered. We have warehouses in the United States, Europe and Southeast Asia. Transit times from these sites may vary.
Sample availability may be better than production availability. Please enter samples into your cart to check sample availability.

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.

View PCN
This is the list of Product Change Notifications (PCN) published on the web for this model. Click on the link to access PCN Information.Only select pre-2009 PCN�s are available on-line. To obtain a pre-2009 PCN, contact your ADI Sales Rep. For more information on ADI's PCN process, please visit our PCN Policy Statement 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.