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  5. ADL5513

Data Sheet Rev. A
S-Parameters
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Overview

Features and Benefits

  • Wide bandwidth: 1 MHz to 4 GHz
  • 80 dB dynamic range (±3 dB)
  • Constant dynamic range over frequency
  • Stability over −40°C to +85°C temperature range: ±0.5 dB
  • Operating temperature range: −40°C to +125°C
  • Sensitivity: −70 dBm
  • Low noise measurement/controller output (VOUT)
  • Pulse response time: 21 ns/20 ns (fall/rise)
  • Single supply operation: 2.7 V to 5.5 V @ 31 mA
  • Power-down feature: 1 mW @ 5 V
  • Small footprint LFCSP
  • Fabricated using high speed SiGe process

Product Details

The ADL5513 is a demodulating logarithmic amplifier, capable of accurately converting an RF input signal to a corresponding decibel-scaled output. It employs the progressive compression technique over a cascaded amplifier chain, each stage of which is equipped with a detector cell. The device can be used in either measurement or controller modes. The ADL5513 maintains accurate log conformance for signals up to 4 GHz. The input dynamic range is typically 80 dB (referred to 50 Ω) with error less than ±3 dB and 74 dB with error less than ±1 dB. That dynamic range is held nearly constant over the entire 4 GHz frequency range. The ADL5513 has a 20 ns response time that enables RF burst detection to a pulse rate of beyond 50 MHz. The device provides unprecedented logarithmic intercept stability vs. ambient temperature conditions. A supply voltage of 2.7 V to 5.5 V is required to power the device. Current consumption is 31 mA, and it decreases to 200 μA when the device is disabled. 

The ADL5513 can be configured to provide a control voltage to a power amplifier or a measurement output from the VOUT pin. Because the output can be used for controller applications, special attention has been paid to minimize wideband noise. In this mode, the setpoint control voltage is applied to the VSET pin. The feedback loop through an RF amplifier is closed via VOUT, the output of which regulates the amplifier output to a magnitude corresponding to VSET. The ADL5513 provides 0 V to (VPOS − 0.1 V) output capability at the VOUT pin, suitable for controller applications. As a measurement device, VOUT is externally connected to VSET to produce an output voltage, VOUT, that increases linear-in-dB with RF input signal amplitude.

The logarithmic slope is 21 mV/dB, determined by the VSET interface. The intercept is -88 dBm (referred to 50 Ω, continuous wave input, 900 MHz) using the INHI input. These parameters are very stable against supply and temperature variations.

The ADL5513 is fabricated on a SiGe bipolar IC process and is available in a 3 mm × 3 mm, 16-lead LFCSP package for the −40°C to +125°C operating temperature range. A fully populated evaluation board is available.

Applications

  • RF transmitter power amplifier linearization and gain/power control
  • Power monitoring in radio link transmitters
  • RSSI measurement in base stations, WLAN, WiMAX, RADAR

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    Documentation & Resources

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  • Data Sheets (1)
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  • Frequently Asked Questions (1)
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    Tools & Simulations

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    Design Tools

    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.

    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.

    Design Resources

    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.View our quality and reliability program and certifications for more information.

    Part Number Material Declaration Reliability Data Pin/Package Drawing CAD Symbols, Footprints & 3D Models
    ADL5513ACPZ-R2 Material Declaration Reliability Data 16-Lead LFCSP (3mm x 3mm w/ EP)
    ADL5513ACPZ-R7 Material Declaration Reliability Data 16-Lead LFCSP (3mm x 3mm w/ EP)
    ADL5513ACPZ-WP Material Declaration Reliability Data 16-Lead LFCSP (3mm x 3mm w/ EP)
    Wafer Fabrication Data

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    • ADL5513ACPZ-R2 Production
    • ADL5513ACPZ-R7 Production

    Support & Discussions

    ADL5513 Discussions

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