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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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ADF7025 bảng dữ liệu(PDF) 4 Page - Analog Devices |
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ADF7025 bảng dữ liệu(HTML) 4 Page - Analog Devices |
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4 / 44 page  ADF7025 Data Sheet Rev. B | Page 4 of 44 SPECIFICATIONS VDD = 2.3 V to 3.6 V, GND = 0 V, TA = TMIN to TMAX, unless otherwise noted. Typical specifications are at VDD = 3 V, TA = 25°C. All measurements are performed using the EVAL-ADF7025DB1 using PN9 data sequence, unless otherwise noted. Table 1. Parameter Min Typ Max Unit Test Conditions RF CHARACTERISTICS Frequency Ranges (Direct Output) 862 870 MHz VCO adjust = 0, VCO bias = 10 902 928 VCO adjust = 3, VCO bias = 12 Frequency Ranges (Divide-by-2 Mode) 431 464 MHz See conditions for direct output Phase Frequency Detector Frequency RF/256 24 MHz TRANSMISSION PARAMETERS Data Rate FSK 9.6 384 kbps FSK Frequency Deviation 100 311.89 kHz PFD = 10 MHz, direct output 100 748.54 kHz PFD = 24 MHz, direct output 100 374.27 kHz PFD =24MHz, divide-by-2 mode Deviation Frequency Resolution 221 Hz PFD = 3.625 MHz Gaussian Filter BT 0.5 Transmit Power1 −20 +13 dBm V DD = 3.0 V, TA = 25°C Transmit Power Variation vs. Temperature ±1 dB From −40°C to +85°C Transmit Power Variation vs. V DD ±1 dB From 2.3 V to 3.6 V at 915 MHz, T A = 25°C Transmit Power Flatness ±1 dB From 902 MHz to 928 MHz, 3 V, T A = 25°C Programmable Step Size −20 dBm to +13 dBm 0.3125 dB Spurious Emissions Integer Boundary −55 dBc 50 kHz loop B/W Reference −65 dBc Harmonics Second Harmonic −27 dBc Unfiltered conductive Third Harmonic −21 dBc All Other Harmonics −35 dBc VCO Frequency Pulling 30 kHz rms DR = 9.6 kbps Optimum PA Load Impedance 39 + j61 Ω FRF = 915 MHz 48 + j54 Ω FRF = 868 MHz 54 + j94 Ω FRF = 433 MHz RECEIVER PARAMETERS FSK Input Sensitivity At BER = 1E − 3, FRF = 915 MHz, LNA and PA matched separately2 Sensitivity at 38.4 kbps −104.2 dBm FDEV = 200 kHz, LPF B/W = ±300kHz Sensitivity at 172.8 kbps −100 dBm FDEV = 200 kHz, LPF B/W = ±450kHz Sensitivity at 384 kbps −95.8 dBm FDEV = 450kHz, LPF B/W = ±600kHz Baseband Filter (Low-Pass) Bandwidths Programmable ±300 kHz ±450 kHz ±600 kHz LNA and Mixer, Input IP3 Enhanced Linearity Mode +6.8 dBm Pin = −20 dBm, 2 CW interferers FRF = 915 MHz, f1 = FRF + 3 MHz F2 = FRF + 6 MHz, maximum gain Low Current Mode −3.2 dBm High Sensitivity Mode −35 dBm Rx Spurious Emissions3 −57 dBm <1 GHz at antenna input −47 dBm >1 GHz at antenna input |
Số phần tương tự - ADF7025_15 |
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Mô tả tương tự - ADF7025_15 |
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