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AD8352:  2 GHz Ultralow Distortion Differential RF/IF Amplifier

Product Details

Product Status:Recommended for New Designs

The AD8352 is a high performance differential amplifier optimized for RF and IF applications. It achieves better than 80 dB SFDR performance at frequencies up to 200 MHz, and 65 dB beyond 500 MHz, making it an ideal driver for high speed 12-bit to 16-bit analog-to-digital converters (ADCs).

Unlike other wideband differential amplifiers, the AD8352 has buffers that isolate the gain setting resistor (RG) from the signal inputs. As a result, the AD8352 maintains a constant 3 kΩ input resistance for gains of 3 dB to 25 dB, easing matching and input drive requirements. The AD8352 has a nominal 100 Ω differential output resistance.

The device is optimized for wideband, low distortion performance at frequencies beyond 500 MHz. These attributes, together with its wide gain adjust capability, make this device the amplifier of choice for general-purpose IF and broadband applications where low distortion, noise, and power are critical. It is ideally suited for driving not only ADCs, but also mixers, pin diode attenuators, SAW filters, and multi-element discrete devices. The device is available in a compact 3 mm × 3 mm, 16-lead LFCSP and operates over a temperature range of −40°C to +85°C.


Applications
  • Differential ADC drivers
  • Single-ended-to-differential conversion
  • RF/IF gain blocks
  • SAW filter interfacing
  • FEATURES and BENEFITS

    • −3 dB bandwidth of 2.2 GHz (AV = 10 dB)
    • Single resistor gain adjust: 3 dB < AV < 25 dB
    • Single resistor and capacitor distortion adjust
    • Input resistance: 3 kΩ, independent of gain (AV)
    • Differential or single-ended input to differential output
    • Low noise input stage: 2.7 nV/√Hz RTI @ AV = 10 dB
    • Low broadband distortion:
      10 MHz: −86 dBc HD2, −82 dBc HD3
      70 MHz: −84 dBc HD2, −82 dBc HD3
      190 MHz: −81 dBc HD2, −87 dBc HD3
    • OIP3 of 41 dBm @ 150 MHz
    • Slew rate: 8 V/ns
    • Fast settling and overdrive recovery of 2 ns
    • See data sheet for additional Features

    Functional Block Diagram for AD8352

    Design Tools,Models,Drivers & Software

    Title Content Type File Type
    ADIsimRF
    ADI’s ADIsimRF design tool provides calculations for the most important parameters within the RF signal chain, including cascaded gain, noise figure, IP3, P1dB, and total power consumption.
    ADIsim Design/Simulation Tools HTML
    ADIsimPLL™- Version 3.43
    ADIsimPLL enables the rapid and reliable evaluation of new high performance PLL products from ADI. It is the most comprehensive PLL Synthesizer design and simulation tool available today. Simulations performed include all key non-linear effects that are significant in affecting PLL performance. ADIsimPLL removes at least one iteration from the design process, thereby speeding the design- to-market.
    ADIsim Design/Simulation Tools HTML

    Evaluation Kits & Symbols & Footprints

    Evaluation Boards & KitsView the Evaluation Boards and Kits page for documentation and purchasing

    Symbols and Footprints— Analog Devices offers Symbols & Footprints which are compatible with a large set of today’s CAD systems for broader and easier support.

    Product Recommendations & Reference Designs

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    Price, packaging, availability

    AD8352 Model Options
    Price Table Help

    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.

    AD8352 Evaluation Board
    Model Description Price RoHS View PCN/ PDN Check Inventory/
    Purchase/Sample
    AD8352-EVALZ Status: Production Evaluation Board $100.19 Yes -

    Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.

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