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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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AD8345ARE Datenblatt(PDF) 3 Page - Analog Devices |
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AD8345ARE Datenblatt(HTML) 3 Page - Analog Devices |
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3 / 20 page  AD8345 Rev. B | Page 3 of 20 SPECIFICATIONS VS = 5 V; LO = −2 dBm @ 800 MHz; 50 Ω source and load impedances; I and Q inputs 0.7 V ±0.3 V on each side for a 1.2 V p-p differential input, I and Q inputs driven in quadrature @ 1 MHz baseband frequency. TA = 25°C, unless otherwise noted. Table 1. Parameter Min Typ Max Unit Test Conditions/Comments RF OUTPUT Operating Frequency1 140 1000 MHz Output Power 0.5 dBm 140 MHz 0.5 dBm 220 MHz −3 −1 +2 dBm 800 MHz Output P1dB 2.5 dBm Noise Floor −155 dBm/Hz 20 MHz offset from LO, all BB inputs at 0.7 V Quadrature Error 0.5 Degree rms CDMA IS95 setup (see Figure 38) I/Q Amplitude Balance 0.2 dB CDMA IS95 setup (see Figure 38) LO Leakage −41 dBm 140 MHz −40 dBm 220 MHz −42 −33 dBm 800 MHz Sideband Rejection −33 dBc 140 MHz −48 −40 dBc 220 MHz −42 −34 dBc 800 MHz Third Order Distortion −52 dBc Second Order Distortion −60 dBc Equivalent Output IP3 25 dBm Equivalent Output IP2 59 dBm Output Return Loss (S22) −20 dB RESPONSE TO CDMA IS95 See Figure 38 BASEBAND SIGNALS ACPR −72 dBc EVM 1.3 % Rho 0.9995 LO INPUT LO Drive level −10 −2 0 dBm LOIP Input Return Loss (S11)2 −5 dB No termination on LOIP, LOIN at ac ground −9 dB 50 Ω terminating resistor, differential drive via balun BASEBAND INPUTS Input Bias Current 10 μA Input Capacitance 2 pF DC Common Level 0.6 0.7 0.8 V Bandwidth (3 dB) 80 MHz Full power (0.7 V ±0.3 V on each input, see Figure 4) ENABLE Turn-On 2.5 μs Enable high to output within 0.5 dB of final value Turn-Off 1.5 μs Enable low to supply current dropping below 2 mA ENBL High Threshold (Logic 1) +VS/2 V ENBL Low Threshold (Logic 0) +VS/2 V POWER SUPPLIES Voltage 2.7 5.5 V Current Active 50 65 78 mA Current Standby 70 μA 1 For information on operation below 140 MHz, see Figure 29. 2 See the LO Interface section for more details on input matching. |
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