AD8313

PRODUCTION

0.1 GHz TO 2.5 GHz, 70 dB Logarithmic Detector / Controller

Data Sheet (Rev. F) Product Selection Table
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Overview

  • Wide bandwidth:
    0.1 GHz to 2.5 GHz min
  • High dynamic range:
    70 dB to ±3.0 dB
  • High accuracy: ±1.0 dB over 65 dB range (@ 1.9 GHz)
  • Fast response:
    40 ns full-scale typical
  • Controller mode with error output
  • Scaling stable over supply and temperature
  • Wide supply range:
    2.7 V to 5.5 V
  • Low power:
    40 mW at 3 V
  • Power-down feature:
    60 mW at 3 V

The AD8313 is a complete multistage demodulating logarithmic amplifier that can accurately convert an RF signal at its input to an equivalent decibel-scaled value at its dc output. The AD8313 maintains a high degree of log conformance for signal frequencies from 0.1 GHz to 2.5 GHz. Application is straightforward, requiring only a single supply of 2.7 V to 5.5 V and the addition of a suitable input and supply decoupling. Operating on a 3 V supply, its 13.7 mA consumption (for TA = 25°C) is only 41 mW. A power-down feature is provided; the input is taken high to initiate a low current (20 µA) sleep mode, with a threshold at half the supply voltage

The AD8313 is fabricated on Analog Devices, Inc., advanced 25 GHz silicon bipolar IC process and is available in an 8-lead MSOP package. The operating temperature range is −40°C to +85°C.
AD8313
0.1 GHz TO 2.5 GHz, 70 dB Logarithmic Detector / Controller
AD8313-fbl AD8313 Pin Configuration
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Documentation

Data Sheet 1

Application Note 1

Technical Articles 7

Evaluation Design File 1

Frequently Asked Question 1

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Software Resources

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Tools & Simulations

ADIsimRF

ADIsimRF is an easy-to-use RF signal chain calculator. Cascaded gain, noise, distortion and power consumption can be calculated, plotted and exported for signal chains with up to 50 stages. ADIsimRF also includes an extensive data base of device models for ADI’s RF and mixed signal components.

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ADIsimPLL™

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.

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Evaluation Kits

EVAL-AD8313

AD8313 Evaluation Board

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Product Details

AD8313-EVALZ is a fully populated, 4-layer Rogers 4350 and FR4 based evaluation board. The top and bottom signal layers are Rogers 4350 and the internal layers are FR4. For normal operation, it requires a single power supply of 2.7 - 5.5 V, capable of delivering 50 mA. The power supply should be connected to the test loops labeled VPS1, VPS2 and GND. The test loop labeled VNEG, should be connected to ground. The RF input signal is applied to the SMA connector (INHA). VOUT is available from the SMA connector (VOUT). The SMA connectors ENBL and VSET allow the option of applying an external signal at these nodes.
EVAL-AD8313
AD8313 Evaluation Board

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