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ADF7020 Datasheet(PDF) 5 Page - Analog Devices |
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ADF7020 Datasheet(HTML) 5 Page - Analog Devices |
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5 / 40 page  Preliminary Technical Data ADF7020 Rev. PrH | Page 5 of 40 Parameter Min Typ Max Unit Test Conditions High Sensitivity Mode −110.5 dBm DR = 9.6 kbps, FDEV = 10 kHz Low Current Mode −104 dBm DR = 9.6 kbps, FDEV = 10 kHz High Sensitivity Mode −99 dBm DR = 200 kbps, FDEV = 50 kHz Low Current Mode −TBD dBm DR = 200 kbps, FDEV = 50 kHz OOK Input Sensitivity At BER = 1E − 3, FRF = 915 MHz High Sensitivity Mode −TBD dBm DR = 1 kbps Low Current Mode −TBD dBm DR = 1 kbps High Sensitivity Mode −106.5 dBm DR = 9.6 kbps Low Current Mode −TBD dBm DR = 9.6 kbps LNA and Mixer Input IP37 Enhanced Linearity Mode 6.8 dBm Pin = −20 dBm, 2 CW interferers Low Current Mode −3.2 dBm FRF = 915 MHz, f1 = FRF + 3 MHz High Sensitivity Mode −35 dBm F2 = FRF + 6 MHz, maximum gain Rx Spurious Emissions8 −57 dBm <1 GHz at antenna input −47 dBm >1 GHz at antenna input AFC Pull-In Range ±50 kHz IF_BW = 200 kHz Response time TBD Bits Accuracy 1 TBD kHz Channel Filtering Adjacent Channel Rejection (Offset = ±1 × IF Filter BW Setting) 27 dB Second Adjacent Channel Rejection (Offset = ±2 × IF Filter BW Setting) 50 dB Third Adjacent Channel Rejection (Offset = ±3 × IF Filter BW Setting) TBD dB IF filter BW settings = 100 kHz, 150 kHz, 200 kHz Desired signal 3 dB above the input sensitivity level, CW interferer power level increased until BER = 10−3, image channel excluded Image Channel Rejection 30 dB Uncalibrated (Image Channel = FRF − 400 kHz) TBD dB Calibrated9 Co-channel Rejection −3 dB Wide-Band Interference Rejection TBD dB Swept from 100 MHz to 2 GHz, measured as channel rejection Saturation (Maximum Input Level) 12 dBm FSK mode, BER = 10−3 Input Impedance TBD Ω FRF = 915 MHz, RFIN, RFIN to GND TBD Ω FRF = 868 MHz TBD Ω FRF = 433 MHz RSSI Range at Input −100 to −36 dBm Linearity ±3 dB Absolute Accuracy TBD dB Response Time 350 µs Maximum input step change, AGC included, RSSI ready for readback PHASE LOCKED LOOP VCO Gain 65 MHz/V 902 MHz to 928 MHz band., VCO adjust = 0 130 MHz/V 860MHz to 870 MHz band, VCO Adjust = 0 TBD MHz/V At 433MHz, VCO Adjust = 0 Phase Noise (In-Band) −92 dBc/Hz PA = 0 dBm, VDD = 3.0 V, PFD = 10 MHz, FRF = 915 MHz, VCO BIAS = 4 Phase Noise (Out-of-Band) −110 dBc/Hz At 1 MHz offset Residual FM TBD Hz From 300 Hz to 5 kHz See notes at end of table. |
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