Products > Integrated Circuits (ICs) > RF Integrated Circuits > HMC1120LP4E
HMC1120LP4E QFN-24
  • HMC1120LP4E
  • HMC1120LP4E 0
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RF Detector, 0Hz to 3.9GHz, -60dBm to 8dBm Input Power, 3.15V to 3.45V Supply, QFN-24

Manufacturer :
Analog Devices, Inc
Package/Case :
Product Categories :
RF Power Detectors ; RMS Responding Power Detectors
RoHs Status:

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HMC1120LP4E Product Details

The HMC1120LP4E is an RMS power detector with an integrated high bandwidth envelope detector. The RMS output is a temperature compensated, monotonic, linear-in-dB representation of real RF signal power, measured over an input sensing range of 70 dB. The envelope detector provides an accurate voltage output which is linearly proportional to the amplitude envelope of the RF input signal for modulation bandwidths up to 150 MHz. The high bandwidth envelope detection of the HMC1120LP4E makes it ideal for detecting broadband and high crest factor RF signals commonly used in GSM, WCDMA, and LTE systems. Additionally, the instantaneous envelope output can be used to create fast, excessive RF power protection, PA linearization, and efficiency enhancing envelope-tracking PA implementations.

The HMC1120’s RMS detector integration bandwidth is digitally programmable via input pins SCI1-4 over a range of more than 4 decades. This allows the user to dynamically set the operation bandwidth and also permits the detection of different types of modulations on the same platform.

The HMC1120LP4E features an internal op-amp at the RMS output stage, which accommodates slope and intercept adjustments and supports a wide range of applications.


  • Broadband Single-Ended RF Input
  • RMS Detector with ±1 dB Detection Accuracy to 3.9 GHz
  • Input Dynamic Range: -60 dBm to +8 dBm
  • ±1 dB Envelope Detection Accuracy over 30 dB Input Range
  • Envelope Detection Bandwidth > 150 MHz
  • Digitally Programmable Integration Bandwidth 
  • Power-Down Mode
  • 24 Lead 4x4mm SMT Package: 16mm²
  • Envelope Tracking Power-Down Mode


  • Log –> Root-Mean-Square (RMS) Conversion
  • Tx/Rx Signal Strength Indication (TSSI / RSSI)
  • RF Power Amplifier Efficiency Control
  • Receiver Automatic Gain Control
  • Transmitter Power Control
  • Envelope Tracking
  • PA Linearization

HMC1120LP4E Block Diagram
(Picture: Diagram)

Technical Parameters

Product Lifecycle Status Active RoHS Compliant
Packaging Cut Tape (CT) Lead Free Status Contains Lead
Number of Pins 24 ECCN Code EAR99
Case/Package QFN-24

HMC1120LP4E Documents

  • HMC1120 Technical Documentation/Data sheet

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Analog Devices, Inc. was founded by two MIT graduates, Ray Stata and Matthew Lorber in 1965. The same year, the company released its first product, the model 101 op amp, which was a hockey-puck sized...
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