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LT5503 Datasheet(PDF) 4 Page - Linear Technology |
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LT5503 Datasheet(HTML) 4 Page - Linear Technology |
4 / 20 page LT5503 4 Note 1: Absolute Maximum Ratings are those values beyond which the life of a device may be impaired. Note 2: External component values on the final test circuit shown in Figure 2 are optimized for operation in the 2.4GHz to 2.5GHz band. Note 3: Specifications over the –40 °C to 85°C temperature range are assured by design, characterization and correlation with statistical process controls. ELECTRICAL CHARACTERISTICS VCC2 = 3VDC, 2.4GHz matching, MIXEN = High, DMODE = Low (LO2 ÷ 2 mode), TA = 27ºC, LO2IN = 750MHz at –18dBm, LO1IN = 2075MHz at –12dBm. MIXRFOUT measured at 2450MHz, unless otherwise noted. (Test circuit shown in Figure 2.) (Note 3) PARAMETER CONDITIONS MIN TYP MAX UNITS Mixer 2nd LO Input (LO2IN) Frequency Range 50 to 1000 MHz Input VSWR ZO = 50Ω 1.4:1 Input Power –20 to –12 dBm Mixer 1st LO Input (LO1IN) Frequency Range2 1400 to 2400 MHz Input VSWR ZO = 50Ω 1.5:1 Input 3rd Order Intercept –30dBm/Tone, ∆f = 200kHz –12 dBm Mixer RF Output (MIXRFOUT) Frequency Range2 1700 to 2700 MHz Output VSWR ZO = 50Ω 1.5:1 Small-Signal Conversion Gain PLO1 = –30dBm 5 dB Output Power –14.7 –12.7 dBm LO1 Suppression – 22 – 29 dBc Output 1dB Compression –15 dBm Broadband Noise 20MHz Offset –152 dBm/Hz LO2 Divider Mode Control (DMODE) Low = fLO2 ÷ 2, High = fLO2 ÷ 1 Input Current 1 µA Input Low Voltage ( ÷2) 0.4 VDC Input High Voltage ( ÷1) VCC – 0.4 VDC Mixer Enable (MIXEN) Low = Off, High = On Turn ON/OFF Time 1 µs Input Current 130 µA Enable VCC – 0.4 VDC Disable 0.4 VDC Mixer Power Supply Requirements Supply Voltage 1.8 5.25 VDC Supply Current ( ÷2 mode) DMODE = Low, MIXEN = High 11.9 15.5 mA Supply Current ( ÷1 mode) DMODE = High, MIXEN = High 10.8 mA Shutdown Current MIXEN = Low 10 µA (Mixer) |
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