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XE1201A Datasheet(PDF) 4 Page - Semtech Corporation |
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XE1201A Datasheet(HTML) 4 Page - Semtech Corporation |
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4 / 16 page  © Semtech 2005 www.semtech.com 4 XE1201A SYMBOL PARAMETER CONDITIONS Min Typ Max Units Parallel capacitive part - 4 - pF ZOUT RF output impedance Parallel capacitive part - 2.4 - pF CCR Co-channel rejection Funw =FLO ±125 kHz RFlevel = RFS+3dB -12 -7 - dB BI Blocking immunity Funw =FRF ±1MHz RFlevel = RFS+3dB 39 43 - dB ML Maximum receiver input level 1 channel, BER=1% 0 - - dBm BW Baseband filter bandwidth 3 dB cutoff frequency 250 330 410 kHz LOD Local oscillator drift -40 < Tamb < +70° C - -4 - ppm/° C LOS Local oscillator shift 2.4 V < Vdd < 3.6 V - +/-8 +/-15 KHz TBW DDS anti-alias filter bandwidth - 160 - kHz FDEV Frequency deviation programmable by 3-wire bus +/-4 - +/-200 kHz DR Data rate programmable by 3-wire bus 4 - 64 kbit/s LOL Digital input/output low level 0 - 0.4 V HIL Digital input/output high level 2.6 - 3 V Tclk Clock wake-up time from cold start (see fig. 5) - 2 3.5 ms Rwu Receiver wake-up time from oscillator running (see fig. 4) bit synchronizer bypassed - 60 75 µs Twu Transmitter wake-up time from oscillator running (see fig. 4) - 60 75 µs Tsu Data set-up time (see fig. 3) 125 - - ns Trt Receive to transmit switching time (see fig. 4) - 15 25 µs Ttr Transmit to receive switching time (see fig. 4) bit synchronizer bypassed - 60 75 µs Tr SC bus clock rise time - - 50 ns Tf SC bus clock fall time - - 50 ns FSC SC bus clock frequency - - 4 MHz |
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