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AD7607 数据表(PDF) 17 Page - Analog Devices |
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AD7607 数据表(HTML) 17 Page - Analog Devices |
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17 / 33 page ![]() AD7607 Data Sheet Rev. C | Page 16 of 32 0.25 –40 –25 –10 5 20 35 50 65 80 –0.25 –0.20 –0.15 –0.10 –0.05 0 0.05 0.10 0.15 0.20 TEMPERATURE (°C) 200kSPS AVCC, VDRIVE = 5V EXTERNAL REFERENCE 5V RANGE 10V RANGE Figure 21. Bipolar Zero Code Error vs. Temperature 1.00 0.75 0.50 0.25 0 –0.25 –0.50 –0.75 –40 –25 –10 5 20 35 50 65 80 –1.00 TEMPERATURE (°C) 200kSPS AVCC, VDRIVE = 5V EXTERNAL REFERENCE 5V RANGE 10V RANGE Figure 22. Bipolar Zero Code Error Matching vs. Temperature –40 –50 –60 –70 –80 –90 –100 –110 1k 100k 10k –120 INPUT FREQUENCY (Hz) ±10V RANGE AVCC, VDRIVE = +5V fSAMPLE = 200kSPS RSOURCE MATCHED ON Vx AND VxGND INPUTS 105kΩ 48.7kΩ 23.7kΩ 10kΩ 5kΩ 1.2kΩ 100Ω 51Ω 0Ω Figure 23. THD vs. Input Frequency for Various Source Impedances, ±10 V Range 1k 100k 10k INPUT FREQUENCY (Hz) ±5V RANGE AVCC, VDRIVE = +5V fSAMPLE = 200kSPS RSOURCE MATCHED ON Vx AND VxGND INPUTS 105kΩ 48.7kΩ 23.7kΩ 10kΩ 5kΩ 1.2kΩ 100Ω 51Ω 0Ω –40 –50 –60 –70 –80 –90 –100 –110 –120 Figure 24. THD vs. Input Frequency for Various Source Impedances, ±5 V Range 2.5010 2.5005 2.5000 2.4995 2.4990 2.4985 –40 –25 –10 5 20 35 50 65 80 2.4980 TEMPERATURE (°C) AVCC = 4.75V AVCC = 5V AVCC = 5.25V Figure 25. Reference Output Voltage vs. Temperature for Different Supply Voltages 8 –10 –8 –6 –4 –2 10 8 6 4 2 0 –10 –8 –6 –4 –2 0 2 4 6 INPUT VOLTAGE (V) –40°C +25°C +85°C AVCC, VDRIVE = 5V fSAMPLE = 200kSPS Figure 26. Analog Input Current vs. Input Voltage for Various Temperatures |
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