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LT5504 - 800MHz to 2.7GHz RF Measuring Receiver

General Description

UW TYPICAL PERFOR A CE CHARACTERISTICS Output Voltage vs RF Input Power and Frequency 2.4 fIF = 240MHz 2.0 Supply Current vs Supply Voltage and Temperature 20 18 TA = 85°C VOUT (V) SUPPLY CURRENT (mA) 1.6 fRF = 900MHz fRF = 1.9GHz 1.2 0.8 fRF = 2.5GHz 16 14 12 TA = 25°C TA = 40

Key Features

  • RF Frequency Range: 800MHz to 2.7GHz.
  • Ultra Wide Dynamic Range: 75dB at 900MHz.
  • Wide Power Supply Range: 2.7V to 5.25V.
  • Low Supply Current: 14.7mA at 3V.
  • 8-Lead MS0P Package U.

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FEATURES ■ RF Frequency Range: 800MHz to 2.7GHz ■ Ultra Wide Dynamic Range: 75dB at 900MHz ■ Wide Power Supply Range: 2.7V to 5.25V ■ Low Supply Current: 14.7mA at 3V ■ 8-Lead MS0P Package U APPLICATIO S ■ RSSI Measurements ■ Receive AGC ■ Transmit Power Control ■ ASK and Envelope Demodulation ■ GSM/TDMA/CDMA/WCDMA TYPICAL APPLICATIO U U LT5504 800MHz to 2.7GHz RF Measuring Receiver DESCRIPTIO The LT®5504 is an 800MHz to 2700MHz monolithic integrated measuring receiver, capable of detecting a wide dynamic range RF signal from –75dBm to +5dBm. The logarithm of the RF signal is precisely converted into a linear DC voltage. The LT5504 consists of RF/IF limiters, an LO buffer amplifier, a limiting mixer, a 3rd-order 450MHz integrated low pass filter, RF/IF detectors and an output interface.