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MAX2091 Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX2091 Datasheet(HTML) 3 Page - Maxim Integrated Products |
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3 / 29 page  50MHz to 500MHz Analog VGA, 1735MHz to 1935MHz Upconverting Mixer with Image Filtering, Threshold Alarm Circuit, and Error Amplifier for Level Control MAX2091 3 AC ELECTRICAL CHARACTERISTICS (Typical Application Circuit with analog attenuator set to maximum gain, VCC = 4.75V to 5.8V, fRF = 1835MHz, fLO = 1485MHz, fIF = 350MHz, fRF = fLO + fIF, PLO = -10dBm to -4dBm, TC = -40°C to +95°C, and IF_IN, LO+, and RF_OUT ports are connected to 50ω sources and loads, unless otherwise noted. Typical values are at TC = +25°C, VCC = 5.5V, PLO = -7dBm, PIF = -25dBm, VPLVLSET = 2.5V, CTRL1 = logic 1, CTRL2 = logic 0. Min/max specifications apply over supply, process, and temperature, unless otherwise noted. (Notes 5, 7, 8) RECOMMENDED AC OPERATING CONDITIONS PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNIT RF Frequency fRF (Note 6) 1685 1985 MHz LO Frequency fLO (Note 6) 1185 1485 2485 MHz IF_IN Frequency fIF_IN (Note 6) 50 500 MHz MIX_IN Frequency fMIX_IN (Note 6) 100 500 MHz LO Power PLO -10 -4 dBm PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS VGA + 2.5dB PAD + MIXER CASCADE Small-Signal Gain G 20 23 26 dB Gain vs. Temperature -0.016 dB/C Gain Variation vs. Frequency (Note 9) 1835MHz Q 50MHz 0.25 dB 1835MHz Q 80MHz 0.4 1835MHz Q 100MHz 0.6 Noise Figure NF 5.4 dB Total Attenuation Range VPLVLSET = 0.2V to 2.5V 35 37 dB Group-Delay Variation Within Q50MHz 133 ps Within Q80MHz 220 Within Q100MHz 285 Spurious Response LO + 2IF, PRF_OUT = -2dBm 60 dBc LO - 2IF, PRF_OUT = -2dBm 70 LO + 3IF, PRF_OUT = -2dBm 67 LO - 3IF, PRF_OUT = -2dBm 77 Output Third-Order Intercept Point OIP3 PRF_OUT = -2dBm/tone, fRF2 - fRF1 = 1MHz 24.5 dBm Output -1dB Compression Point P1dB 12 dBm LO Leakage at IF_IN -60 dBm IF_IN Return Loss 21 dB fIF = 140MHz 17.5 LO+ Port Return Loss 24 dB RF_OUT Return Loss 19.6 dB |
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