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AD5142ABCPZ100-RL7 数据表(PDF) 16 Page - Analog Devices |
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AD5142ABCPZ100-RL7 数据表(HTML) 16 Page - Analog Devices |
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16 / 32 page ![]() AD5122A/AD5142A Data Sheet Rev. A | Page 16 of 32 –60 –50 –40 –30 –20 –10 0 10 100 1k 10k 100k 1M 10M FREQUENCY (Hz) AD5142A (AD5122A) 0x80, (0x40) 0x40, (0x20) 0x20, (0x10) 0x10, (0x08) 0x8, (0x04) 0x4, (0x02) 0x2, (0x01) 0x1, (0x00) 0x00 Figure 18. 10 kΩ Gain vs. Frequency and Code –100 –90 –80 –70 –60 –50 –40 20 200 2k 20k 200k FREQUENCY (Hz) 10k Ω 100k Ω VDD/VSS = ±2.5V VA = 1V rms VB = GND CODE = HALF SCALE NOISE FILTER = 22kHz Figure 19. Total Harmonic Distortion Plus Noise (THD + N) vs. Frequency –100 –80 –60 –40 –20 0 20 10 100 1k 10k 100k 1M 10M FREQUENCY (Hz) QUARTER SCALE MIDSCALE FULL-SCALE VDD/VSS = ±2.5V RAB = 10kΩ Figure 20. Normalized Phase Flatness vs. Frequency, RAB = 10 kΩ –90 –80 –70 –60 –50 –40 –30 –20 –10 0 10 FREQUENCY (Hz) 10 100 1k 10k 100k 1M 10M 0x80, (0x40) 0x40, (0x20) 0x20, (0x10) 0x10, (0x08) 0x8, (0x04) 0x4, (0x02) 0x2, (0x01) 0x1, (0x00) 0x00 AD5142A (AD5122A) Figure 21. 100 kΩ Gain vs. Frequency and Code 10k Ω 100k Ω –90 –80 –70 –60 –50 –40 –30 –20 –10 0 0.001 0.01 0.1 1 VOLTAGE (V rms) VDD/VSS = ±2.5V fIN = 1kHz CODE = HALF SCALE NOISE FILTER = 22kHz Figure 22. Total Harmonic Distortion Plus Noise (THD + N) vs. Amplitude –80 –90 –70 –60 –50 –40 –30 –20 –10 0 10 10 100 1k 10k 100k 1M FREQUENCY (Hz) QUARTER SCALE MIDSCALE FULL-SCALE VDD/VSS = ±2.5V RAB = 100kΩ Figure 23. Normalized Phase Flatness vs. Frequency, RAB = 100 kΩ |
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