LT5538 ELECTRICAL CHARACTERISTICSThe ● denotes the specifi cations which apply over the full operatingtemperature range, otherwise specifi cations are at TA = 25°C, VCC = 5V, ENBL = 5V. (Note 2)SYMBOLPARAMETERCONDITIONSMINTYPMAXUNITS 2nd Order Harmonic Distortion Pin = –10dBm; At RF Input –62 dBc 3rd Order Harmonic Distortion Pin = –10dBm; At RF Input –61 dBc fRF = 450 MHz RF Input Power Range –75 to 10 dBm Linear Dynamic Range ±1 dB Linearity Error (Note 3) 75 dB Output Slope 19.6 mV/dB Logarithmic Intercept (Note 5) –87.3 dBm Sensitivity –71.5 dBm Output Variation vs Temperature Normalized to Output at 25°C PIN = –50dBm; –40°C < TA < 85°C ● 0.1/0.6 dB PIN = –30dBm; –40°C < TA < 85°C ● 0.1/0.5 dB PIN = –10dBm; –40°C < TA < 85°C ● –0.1/0.5 dB 2nd Order Harmonic Distortion Pin = –10dBm; At RF Input –43 dBc 3rd Order Harmonic Distortion Pin = –10dBm; At RF Input –44 dBc fRF = 880 MHz RF Input Power Range –75 to 10 dBm Linear Dynamic Range ±1 dB Linearity Error (Note 3) 75 dB Output Slope 19.0 mV/dB Logarithmic Intercept (Note 5) –88.8 dBm Sensitivity –71.5 dBm Output Variation vs Temperature Normalized to Output at 25°C PIN = –50dBm; –40°C < TA < 85°C ● 0.1/0.7 dB PIN = –30dBm; –40°C < TA < 85°C ● 0.1/0.4 dB PIN = –10dBm; –40°C < TA < 85°C ● 0.1/0.4 dB 2nd Order Harmonic Distortion Pin = –10dBm; At RF Input –37 dBc 3rd Order Harmonic Distortion Pin = –10dBm; At RF Input –40 dBc fRF = 2140 MHz RF Input Power Range –72 to 10 dBm Linear Dynamic Range ±1 dB Linearity Error (Note 3) 70 dB Output Slope 17.7 mV/dB Logarithmic Intercept (Note 5) –89.0 dBm Sensitivity –69.0 dBm Output Variation vs Temperature Normalized to Output at 25°C PIN = –50dBm; –40°C < TA < 85°C ● 0.3/0.4 dB PIN = –30dBm; –40°C < TA < 85°C ● 0.4/0.1 dB PIN = –10dBm; –40°C < TA < 85°C ● 0.7/0.5 dB fRF = 2700 MHz RF Input Power Range –72 to 10 dBm Linear Dynamic Range ±1 dB Linearity Error (Note 3) 65 dB Output Slope 17.6 mV/dB Logarithmic Intercept (Note 5) –87.5 dBm 5538f 3
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