0.1GHz to 3GHz, 75dB Logarithmic Detector/Controller

0.1GHz to 3GHz, 75dB RF Log Detector/Controller Delivers Best Dynamic Range and Precision Over Temperature

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The MAX2015 complete multistage logarithmic amplifier is designed to accurately convert radio-frequency (RF) signal power in the 0.1GHz to 3GHz frequency range to an equivalent DC voltage. The outstanding dynamic range and precision over temperature of this log amplifier make it particularly useful for a variety of base station and other wireless applications, including automatic gain control (AGC), transmitter power measurements, and received signal strength indication (RSSI) for terminal devices.

The MAX2015 can also be operated in a controller mode where it measures, compares, and controls the output power of a variable-gain amplifier as part of a fully integrated AGC loop.

This logarithmic amplifier provides much wider measurement range and superior accuracy compared to controllers based on diode detectors, while achieving excellent temperature stability over the full -40°C to +85°C operating range.
MAX2015: Functional Diagram MAX2015: Functional Diagram Enlarge+

Key Features

  • Complete RF Detector/Controller
  • 0.1GHz to 3GHz Frequency Range
  • Exceptional Accuracy Over Temperature
  • High Dynamic Range
  • 2.7V to 5.25V Supply Voltage Range*
  • Scaling Stable Over Supply and Temperature Variations
  • Controller Mode with Error Output
  • Shutdown Mode with Typically 1µA of Supply Current
  • Available in 8-Pin µMAX® and TDFN Packages
*See Power-Supply Connections section located in the full datasheet.


  • AGC Measurement and Control
  • Cellular Base Station, WLAN, Microwave Link, Radar, and other Military Applications
  • RF Transmitter Power Measurement
  • RSSI Measurements

See parametric specs for RF Power Detectors (12)

Part NumberDetector TypeDynamic Range
RF Freq.
RF Freq.
MAX2015 Log. Amp.752.7 to 5.2517.31003000

Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

MAX2015EVKIT: Evaluation Kit for the MAX2015
Product Reliability Reports: MAX2015.pdf 
Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C   Material Composition  

Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

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