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AD8305ACP-R2 数据表(PDF) 8 Page - Analog Devices |
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AD8305ACP-R2 数据表(HTML) 8 Page - Analog Devices |
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8 / 24 page ![]() AD8305 Data Sheet Rev. C | Page 8 of 24 FREQUENCY (Hz) 10 –50 100 0 –10 –20 –30 –40 1k 10k 100k 1M 10M 100M 1µA 100µA 1mA 10nA 100nA 10µA Figure 15. Small Signal AC Response (5% Sine Modulation), from IPD to VOUT (G = 1) for IPD in Decade Steps from 10 nA to 1 mA, IREF = 10 µA FREQUENCY (Hz) 100 1k 10k 100k 1M 10M 100M 10 –50 0 –10 –20 –30 –40 1µA 100µA 1mA 10nA 100nA 10µA Figure 16. Small Signal AC Response (5% Sine Modulation), from IREF to VOUT (G = 1) for IREF in Decade Steps from 10 nA to 1 mA, IPD = 10 µA FREQUENCY (Hz) 10 100 1 100 0.1 0.01 1k 10k 100k 1M 10M 1µA 10µA 10nA 100nA 100µA Figure 17. Spot Noise Spectral Density at VOUT (G = 1) vs. Frequency for IPD in Decade Steps from 10 nA to 1 mA 10k 100k 1M 10M 100M FREQUENCY (Hz) 3 0 –3 –6 –9 –12 AV = 5 AV = 2.5 AV = 2 AV = 1 Figure 18. Small Signal AC Response of the Buffer for Various Closed-Loop Gains (RL = 1 kΩ CL < 2 pF) TEMPERATURE (°C) 2.0 1.5 1.0 0.5 0 –0.5 –1.0 –1.5 90 80 60 40 20 0 –20 10 30 50 70 –10 –30 –40 –2.0 MEAN + 3σ MEAN – 3σ Figure 19. Buffer Input Offset Drift vs. Temperature (3σ to Either Side of Mean) 10n 100n 1µ 10µ 100µ 10m 1m IPD (A) 6 5 4 3 2 1 0 Figure 20. Total Wideband Noise Voltage at VOUT vs. IPD (G = 1) |
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