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MAX2121 Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX2121 Datasheet(HTML) 4 Page - Maxim Integrated Products |
4 / 18 page Complete Direct-Conversion L-Band Tuner 4 _______________________________________________________________________________________ AC ELECTRICAL CHARACTERISTICS (continued) (MAX2121 Evaluation Kit: VCC = +3.13V to +3.47V, TA = -40°C to +85°C, default register settings except BBG[3:0] = 1111. Typical values measured at VCC = +3.3V, TA = +25°C, unless otherwise noted.) (Note 1) PARAMETER CONDITIONS MIN TYP MAX UNITS VOLTAGE-CONTROLLED OSCILLATOR AND LO GENERATION Guaranteed LO Frequency Range 925 2175 MHz fOFFSET = 10kHz -97 fOFFSET = 100kHz -100 LO Phase Noise fOFFSET = 1MHz -122 dBc/Hz XTAL/REFERENCE OSCILLATOR INPUT AND OUTPUT BUFFER XTAL Oscillator Frequency Range fXTAL Parallel-resonance-mode crystal (Note 7) 12 30 MHz Input Overdrive Level AC-coupled sine-wave input 0.5 1 2.0 VP-P XTAL Output-Buffer Divider Range 1 8 XTAL Output Voltage Swing 12MHz to 30MHz, CLOAD = 10pF 1 1.5 2 VP-P XTAL Output Duty Cycle 50 % Note 1: Min/max values are production tested at TA = +25°C. Min/max limits at TA = -40°C and TA = +85°C are guaranteed by design and characterization. Note 2: Guaranteed by design and characterization at TA = +25°C. Note 3: Input gain range specifications met over this band. Note 4: In-band IIP3 test conditions: GC1 set to provide the nominal baseband output drive when mixing down a -23dBm tone at 2175MHz to 5MHz baseband (fLO = 2170MHz). Baseband gain is set to its default value (BBG[3:0] = 1011). Two tones at -26dBm each are applied at 1919MHz and 1663MHz. The IM3 tone at 3MHz is measured at baseband, but is referred to the RF input. Note 5: Out-of-band IIP3 test conditions: GC1 set to provide nominal baseband output drive when mixing down a -23dBm tone at 2175MHz to 5MHz baseband (fLO = 2170MHz). Baseband gain is set to its default value (BBG[3:0] = 1011). Two tones at -20dBm each are applied at 1919MHz and 1663MHz. The IM3 tone at 5MHz is measured at baseband, but is referred to the RF input. Note 6: Input IP2 test conditions: GC1 set to provide nominal baseband output drive when mixing down a -23dBm tone at 2175MHz to 5MHz baseband (fLO = 2170MHz). Baseband gain is set to its default value (BBG[3:0] = 1011). Two tones at -20dBm each are applied at 925MHz and 1250MHz. The IM2 tone at 5MHz is measured at baseband, but is referred to the RF input. Note 7: See Table 16 for crystal ESR requirements. |
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