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MAX2163 Folha de dados(PDF) 5 Page - Maxim Integrated Products |
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MAX2163 Folha de dados(HTML) 5 Page - Maxim Integrated Products |
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5 / 23 page  ISDB-T 1-Segment Tuner _______________________________________________________________________________________ 5 AC ELECTRICAL CHARACTERISTICS (continued) (MAX2163 Evaluation Kit, VCC = +2.4V to +3.47V, fRF = 557.143MHz, fLO = 557.714MHz, fIF = 571kHz, fXTAL = 36MHz, VGC1 = VGC2 = 0.3V (maximum gain), default register settings, RF input signals as specified, IF output load as specified, TA = -40°C to +85°C, unless otherwise noted. Typical values are at VCC = +2.5V, TA = +25°C, SHDN = VCC, STBY = GND, unless otherwise noted.) (Note 1) PARAMETER CONDITIONS MIN TYP MAX UNITS CRYSTAL OSCILLATOR INPUT (XTAL) Frequency Range 32 36 MHz Input Capacitance Crystal load capacitance 8 pF Input Overdrive Level AC-coupled sine wave input 0.5 1.5 VP-P Input Negative Resistance fXTAL = 36MHz 575 REFERENCE OSCILLATOR BUFFER OUTPUT (XTALOUT) Output Frequency Range 16 18 MHz Output Voltage Swing ZL = 4k ||10pF 0.5 1.0 VP-P Output Buffer Divide Range 2 2 — Output Duty Cycle 45 55 % Output Turn-On Time XTAL amplitude > 0.5VP-P 4 ms Note 1: Min and max values are production tested at TA = +85°C. Min and max limits at TA = -40°C and +25°C are guaranteed by design and characterization. Note 2: IFOUT output voltage level met over this range. Note 3: In-band IM3 is measured with two tones at fLO - 450kHz and fLO - 550kHz. The RFAGC is engaged and set for the default attack point of -58dBm. IFL[1:0] = 01, RFVGA = MXR = 1. VGC2 is adjusted to maintain 225mVP-P at IFOUT. Input power levels (tone 1 plus tone 2) up to -10dBm and > 30dBc for levels from -10dBm to 0dBm. Note 4: VGC1 is set for maximum attenuation (2.1V) and VGC2 is adjusted to maintain 225mVP-P at IFOUT for an equivalent 0dBm input desired level. Closed loop, attack point at -58dBm, fRF = 767.143MHz, fLO = 767.714MHz, fRF1 = fRF + 4.25MHz, fRF2 = fRF + 8MHz, -10dBm/tone. RFGR = 1, RFVGA = 1, and MXR = 1. |
Nº de peça semelhante - MAX2163 |
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Descrição semelhante - MAX2163 |
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