MAX2106 データシートの表示（PDF） - Maxim Integrated
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MAX2106 Datasheet PDF : 10 Pages
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DBS Direct Downconverter
AC ELECTRICAL CHARACTERISTICS (continued)
(IC driven single-ended with RFIN- AC-terminated in 75Ω to GND, VCC = +4.75V to +5.25V, VIOUT_ = VQOUT_ = 0.59Vp-p,
CIOUT_ = CQOUT_ = 10pF, ƒLCLK = 2MHz, RIOUT_ = RQOUT_ = 10kΩ, VLOBUFSEL = 0.5V, VRFBAND = VINSEL = VCPG1 = VCPG2 = +2.4V,
VPLLIN+ = VMOD+ = +1.3V, VPLLIN- = VMOD- = +1.1V, TA = +25°C, unless otherwise noted. Typical values are at VCC = +5V.)
PARAMETER
SSYYNNTTHHEESSIIZZEERR
XTLOUT Output Voltage Swing
Crystal Frequency Range (Note 1)
SYMBOL
CONDITIONS
Load = 10pF | | 10kΩ, fXTLOUT = 6MHz
MIN TYP MAX UNITS
0.75
1
1.5 Vp-p
4
7.26 MHz
MOD+, MOD- Setup Time (Note 1)
MOD+, MOD- Hold Time (Note 1)
LLOOCCAALL OOSSCCIILLLLAATTOORR
tSUM
tHM
Figure 1
Figure 1
7
ns
0
ns
LO Tuning Range (Note 11)
590
1180 MHz
LO Buffer Output Voltage (Note 1)
VLOBUFSEL ≥ 2.4V,
fLO = 925 MHz + 2175MHz
70
VRMS
LO Phase Noise (Notes 6, 12)
At 1kHz offset, fLO = 2175MHz
At 10kHz offset, fLO = 2175MHz
At 100kHz offset, fLO = 2175MHz
-60
-75
dBc/Hz
-96
RFIN+ to LO Input Isolation (Note 9)
fRFIN = 2175MHz
58
dB
Note 1: Minimum and maximum values are guaranteed by design and characterization over supply voltage.
Note 2 Driving differential load of 10kΩ || 15pF.
Note 3: Two signals are applied to RFIN_ at fLO - 100MHz and fLO - 199MHz. VGC2 = 1V, VGC1 is set so that the baseband out-
puts are at 590mVp-p. IM products are measured at baseband outputs but are referred to RF inputs.
Note 4: Two signals are applied to RFIN_ at 1200MHz and 2150MHz. VGC2 = 1V, VGC1 is set so that the baseband outputs are at
590mVp-p. IM products are measured at baseband outputs but are referred to RF inputs.
Note 5: PRFIN_ = -40dBm so that front-end IM contributions are minimized.
Note 6: Using L64733/L64734 demo board from LSI Logic.
Note 7: Downconverted level, in dBc, of carrier present at fLO × 2, fLO = 1180MHz, fVCO = 590MHz, VRFBAND = unconnected (see
histogram plots).
Note 8: Downconverted level, in dBc, of carrier present at fO / 2, fLO = 2175MHz, fVCO = 1087.5MHz, VRFBAND = 2.4V.
Note 9: Leakage is dominated by board parasitics.
Note 10: VCPG1 = VCPG2 = VRFBAND = VINSEL = 0.5V, ƒLCLK = 0.5MHz.
Note 11: Guaranteed by design and characterization over supply and temperature.
Note 12: Measured at tuned frequency with PLL locked. PLL loop bandwidth = 3kHz. All phase noise measurements assume tank
components have a Q > 50.
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