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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AD8325 датащи(PDF) 2 Page - Analog Devices |
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AD8325 датащи(HTML) 2 Page - Analog Devices |
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2 / 16 page  REV. 0 –2– AD8325–SPECIFICATIONS (T A = 25 C, VS = 5 V, RL = 75 , VIN (differential) = 31 dBmV, VOUT measured through a 1:1 transformer1 with an insertion loss of 0.5 dB @ 10 MHz unless otherwise noted.) Parameter Conditions Min Typ Max Unit INPUT CHARACTERISTICS Specified AC Voltage Output = 61 dBmV, Max Gain 31 dBmV Noise Figure Max Gain, f = 10 MHz 13.8 dB Input Resistance Single-Ended Input 800 Ω Differential Input 1600 Ω Input Capacitance 2pF GAIN CONTROL INTERFACE Gain Range 58.45 59.45 60.45 dB Maximum Gain Gain Code = 79 Dec 29.2 30.0 30.8 dB Minimum Gain Gain Code = 0 Dec –30.25 –29.45 –28.65 dB Gain Scaling Factor 0.7526 dB/LSB OUTPUT CHARACTERISTICS Bandwidth (–3 dB) All Gain Codes 100 MHz Bandwidth Roll-Off f = 65 MHz 1.6 dB Bandwidth Peaking f = 65 MHz 0 dB Output Noise Spectral Density Max Gain, f = 10 MHz –33 dBmV in 160 kHz Min Gain, f = 10 MHz –48 dBmV in 160 kHz Transmit Disable Mode, f = 10 MHz –68 dBmV in 160 kHz 1 dB Compression Point Max Gain, f = 10 MHz 18.5 dBm Differential Output Impedance Transmit Enable and Transmit Disable Modes 75 ± 20% Ω OVERALL PERFORMANCE Second Order Harmonic Distortion f = 21 MHz, VOUT = 61 dBmV @ Max Gain –70 dBc f = 42 MHz, VOUT = 61 dBmV @ Max Gain –67 dBc f = 65 MHz, VOUT = 61 dBmV @ Max Gain –60 dBc Third Order Harmonic Distortion f = 21 MHz, VOUT = 61 dBmV @ Max Gain –57 dBc f = 42 MHz, VOUT = 61 dBmV @ Max Gain –55 dBc f = 65 MHz, VOUT = 61 dBmV @ Max Gain –54 dBc Adjacent Channel Power Adjacent Channel Width = Transmit Channel –53.8 dBc Width = 160 KSYM/SEC Gain Linearity Error f = 10 MHz, Code to Code ±0.3 dB Output Settling Due to Gain Change (TGS) Min to Max Gain 60 ns Due to Input Change Max Gain, VIN = 31 dBmV 30 ns Isolation in Transmit Disable Mode Max Gain, TXEN = 0 V, f = 42 MHz, –33 dBc VIN = 31 dBmV POWER CONTROL Transmit Enable Settling Time (TON) Max Gain, VIN = 0 V 300 ns Transmit Disable Settling Time (TOFF) Max Gain, VIN = 0 V 40 ns Between Burst Transients 2 Equivalent Output = 31 dBmV 3 mV p-p Equivalent Output = 61 dBmV 50 mV p-p POWER SUPPLY Operating Range 4.75 5 5.25 V Quiescent Current Transmit Enable Mode (TXEN = 1) 123 133 140 mA Transmit Disable Mode (TXEN = 0) 30 35 10 mA Sleep Mode 2 4 7 mA OPERATING TEMPERATURE –40 +85 °C RANGE NOTES 1TOKO 617DB-A0070 used for above specifications. MACOM ETC-1-IT-15 can be substituted. 2Between Burst Transients measured at the output of a 42 MHz diplexer. Specifications subject to change without notice. |
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