ADL5511ACPZ-R7

ADL5511ACPZ-R7 is a RF envelope and TruPwr™ rms detector. The envelope output voltage is presented as a voltage that is proportional to the envelope of the input signal. The rms output voltage is independent of the peak-to-average ratio of the input signal. The rms output is a linear-in-V/V voltage with a conversion gain of 1.9V/V rms at 900MHz. The envelope output has a conversion gain of 1.46V/V at 900MHz and is referenced to an internal 1.1V reference voltage, which is available on the EREF pin. The ADL5511 can operate from DC to 6GHz on signals with envelope bandwidths up to 130MHz. The extracted envelope can be used for RF power amplifier (PA) linearization and efficiency enhancements and the rms output can be used for rms power measurement. Applications include RMS power and envelope detection of W-CDMA, CDMA2000, LTE, and other complex waveforms, drain modulation based power amplifier linearization, power amplifier linearization employing envelope-tracking methods.

• Envelope tracking RF detector with output proportional to input voltage
• Separate TruPwr rms output, no balun or external tuning required
• Excellent temperature stability, single-supply operation range from 4.75V to 5.25V
• 130MHz typical 3dB envelope bandwidth at (TA = 25°C)
• Input range (±1dB error) is 47dB typical at (CW input, TA = 25°C)
• Input frequency range from DC to 6GHz
• Envelope delay is 2ns typical at (RFIN to VENV)
• Quiescent current is 21.5mA typical at (RFIN < -10dBm, ENBL high)
• Operating temperature range from -40°C to +85°C
• 16-lead LFCSP package

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