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AD8321 数据表(PDF) 2 Page - Analog Devices |
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AD8321 数据表(HTML) 2 Page - Analog Devices |
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2 / 19 page  –2– REV. 0 AD8321–SPECIFICATIONS Parameter Conditions Min Typ Max Units INPUT CHARACTERISTICS Specified AC Voltage Output = 11 dBm, Max Gain 0.137 V p-p Noise Figure Max Gain, f = 10 MHz 15 dB Input Resistance Single-Ended Input 820 Ω Differential Input 900 Ω Input Capacitance 2.0 pF GAIN CONTROL INTERFACE Gain Range 52.4 53.4 54.4 dB Maximum Gain 25.25 26 26.75 dB Minimum Gain –28.15 –27.4 –26.4 dB Gain Scaling Factor 0.7526 dB/LSB OUTPUT CHARACTERISTICS Bandwidth (–3 dB) All Gain Codes 120 MHz Bandwidth Roll-Off f = 65 MHz 0.8 dB Bandwidth Peaking f = 65 MHz 0 dB Output Offset Voltage All Gain Codes, Full Temperature Range ±30 mV Output Noise Spectral Density Max Gain, f = 10 MHz 60 nV/ √Hz Min Gain, f = 10 MHz 20 nV/ √Hz Output Noise Temperature Sensitivity 0 ≤ T A ≤ +70°C, Min Gain 0.02 nV/ √Hz/°C Power-Down Spectral Density 1 nV/ √Hz 1 dB Compression Point Max Gain, f = 10 MHz +19.5 dBm Output Impedance Power-Up and Power-Down 60 75 90 Ω OVERALL PERFORMANCE Worst Harmonic Distortion f = 42 MHz, POUT = 11 dBm, VCC = +9 V –53 dBc f = 65 MHz, POUT = 11 dBm, VCC = +9 V –51 dBc Distortion Temperature Sensitivity –40 °C ≤ T A ≤ +85°C 0.03 dBc/ °C Gain Accuracy f = 10 MHz, All Gain Codes ±0.2 dB Gain Temperature Sensitivity 0 ≤ T A ≤ +70°C 0.004 dB/ °C Output Settling to 1 mV Gain Change @ TDATEN = 1 Min to Max Gain, VIN = 0 V 60 ns Input Change Max Gain, VIN = 0.15 V Step 30 ns Signal Feedthrough Power Down, 65 MHz, Min Gain –80 dBc VIN = 0.137 V p-p POWER CONTROL Power-Down Settling Time to 1 mV Max Gain, VIN = 0 40 ns Power-Up Settling Time to 1 mV Max Gain, VIN = 0 300 ns Power-Up/Down Pedestal Offset Max Gain, VIN = 0 ±30 mV Power-Up/Down Glitch Max Gain, VIN = 0 40 mV p-p POWER SUPPLY Quiescent Current Power-Up, VCC = +9 V 82 90 97 mA Power-Down, VCC = +9 V 45 52 60 mA Specifications subject to change without notice. (@ VCC = +9 V, TA = +25 C, VIN = 0.137 V p-p, single-ended input, RL = 75 , RIN = 75 unless otherwise noted) |
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