ADL5505

450 MHz TO 6000 MHz TruPwr™ Detector
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Product Details

The ADL5505 is a TruPwr™ mean-responding (true rms) power detector for use in high frequency receiver and transmitter signal chains from 450 MHz to 6000 MHz. Requiring only a single supply between 2.5 V and 3.3 V, the detector draws less than 1.8 mA. The input is internally ac-coupled and has a nominal input impedance of 500 Ω. The rms output is a linear-responding dc voltage with a conversion gain of 1.86 V/V rms at 900 MHz.

The ADL5505 is a highly accurate, easy to use means of determining the rms of complex waveforms. It can be used for power measurements of both simple and complex waveforms but is particularly useful for measuring high crest factor (high peak-to-rms ratio) signals, such as W-CDMA, CDMA2000, WiMAX, WLAN, and LTE waveforms.

The on-chip modulation filter provides adequate averaging for most waveforms. An on-chip, 100 Ω series resistance at the output, combined with an external shunt capacitor, creates a low-pass filter response that reduces the residual ripple in the dc output voltage.

The ADL5505 offers excellent temperature stability across a 30 dB range and near 0 dB measurement error across temperature over the top portion of the dynamic range. In addition to its temperature stability, the ADL5505 offers low process variations that further reduce calibration complexity.

The power detector operates from −40°C to +85°C and is available in an 4-ball, 0.8 mm × 0.8 mm wafer-level chip scale package. It is fabricated on a high fT silicon BiCMOS process.

Applications

  • Power measurement of W-CDMA, CDMA2000, QPSK-/QAM-based OFDM (LTE and WiMAX), and other complex modulation waveforms
  • RF transmitter or receiver power measurement

Product Lifecycle

checked Recommended for New Designs

This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.

Evaluation Kits

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Product Details

ADL5505-EVALZ is a fully populated, 4-layer, FR4-based evaluation board. For normal operation, it requires a 2.5 V to 3.3 V/15 mA power supply. The power supply should be connected to the vector pins labeled VPOSB and GNDB. The RF input signal is applied to the edge-mounted SMA type RF connector (RFINB). The RMS output signal is accessible via the edge-mounted SMA connector (VRMSB).

Tools & Simulations

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Design Tools

Reference Materials

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Design Resources

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ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.

ADL5505 Material Declaration
PCN-PDN Information Quality And Reliability Symbols and Footprints

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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.


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Evaluation Boards Pricing displayed is based on 1-piece.
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.