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MAX2821ETM+TD Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX2821ETM+TD Datasheet(HTML) 4 Page - Maxim Integrated Products |
4 / 26 page 2.4GHz 802.11b Zero-IF Transceivers 4 _______________________________________________________________________________________ AC ELECTRICAL CHARACTERISTICS—RECEIVE MODE (continued) (MAX2820/MAX2821 EV kit: VCC = +2.7V to +3.6V, fRF and fLO = 2400MHz to 2499MHz, fOSC = 22MHz or 44MHz, receive baseband outputs = 500mVP-P, SHDNB = RX_ON = VIH, TX_ON = VIL, CSB = VIH, SCLK = DIN = VIL, RF_GAIN = VIH, 0V ≤ VRX_AGC ≤ +2.0V, RBIAS = 12k Ω, ICP = +2mA, BWPLL = 45kHz, differential RF input matched to 50Ω, registers set to default power-up settings, TA = +25 °C, unless otherwise noted. Typical values are at VCC = +2.7V, fLO = 2437MHz, fOSC = 22MHz, unless otherwise noted.) (Note 1) PARAMETER CONDITIONS MIN TYP MAX UNITS LO Leakage -65 dBm Input Return Loss With external match 15 dB RECEIVER BASEBAND BASEBAND FILTER RESPONSE MAX2820/ MAX2821 Default bandwidth setting BW (2:0) = (010) 7 -3dB Frequency MAX2820A/ MAX2821A 8 MHz At 12.5MHz 40 At 16MHz 65 At 20MHz 70 MAX2820/ MAX2821 At 30MHz 85 At 12.5MHz 28 At 16MHz 52 At 20MHz 70 Attenuation Relative to Passband MAX2820A/ MAX2821A At 30MHz 85 dB BASEBAND OUTPUT CHARACTERISTICS RX I/Q Gain Imbalance -1 +1 dB RX I/Q Phase Quadrature Imbalance -5 +5 Degrees RX I/Q Output 1dB Compression Differential voltage into 5k Ω 1VP-P RX I/Q Output THD VOUT = 500mVP-P at 5.5MHz, ZL = 5k Ω||5pF -35 dBc BASEBAND AGC AMPLIFIER AGC Range VRX_AGC = 0 to +2.0V 70 dB AGC Slope Peak gain slope 60 dB/V AGC Response Time 20dB gain step, 80dB to 60dB, settling to ±1dB 2µs BASEBAND RX PEAK LEVEL DETECTION (MAX2820/MAX2821 ONLY) RF_GAIN = VIH, RX_DET = VOL to VOH -49 RX Detector Trip Point (at RX_RF) CW signal RF_GAIN = VIL, RX_DET = VOH to VOL -54 dBm RX Detector Hysteresis 5dB RX Detector Rise Time With 3dB overdrive 1 µs |
Similar Part No. - MAX2821ETM+TD |
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Similar Description - MAX2821ETM+TD |
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