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AD7942 数据表(PDF) 9 Page - Analog Devices |
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AD7942 数据表(HTML) 9 Page - Analog Devices |
9 / 12 page AD7980-EP Rev. 0 | Page 9 of 12 180k 0 800C 800D 800E 800F 8009 8008 800B 800A 8003 8005 8004 8007 8006 2 0 0 0 33 829 0 27 0 1201 CODE IN HEX 140k 160k 100k 120k 60k 20k 80k 40k 38751 168591 52710 Figure 11. Histogram of a DC Input at the Code Center, REF = 5 V 70k 0 7FFF 8008 8001 8000 8003 8002 8005 8004 8007 8006 0 0 150 2 59691 5428 59404 3 93 CODE IN HEX 60k 50k 30k 10k 40k 20k 6295 Figure 12. Histogram of a DC Input at the Code Transition, REF = 5 V 100 80 85 90 95 2.25 5.25 REFERENCE VOLTAGE (V) 16 12 13 14 15 2.75 3.25 3.75 4.25 4.75 SNR SINAD ENOB Figure 13. SNR, SINAD, and ENOB vs. Reference Voltage 60k 0 7FFA 8006 7FFC 7FFB 7FFE 7FFF 7FFD 8001 8000 8003 8004 8005 8002 0 0 0 0 539 16 14 502 CODE IN HEX 50k 30k 10k 40k 20k 32417 52212 31340 7225 6807 Figure 14. Histogram of a DC Input at the Code Center, REF = 2.5 V 95 85 87 89 92 91 93 94 86 88 90 –10 0 INPUT LEVEL (dB OF FULL SCALE) –9 –8 –7 –6 –5 –4 –3 –2 –1 Figure 15. SNR vs. Input Level –95 –125 –110 –115 –105 –100 –120 115 85 100 95 105 110 90 2.25 5.25 REFERENCE VOLTAGE (V) 2.75 3.25 3.75 4.25 4.75 THD SFDR Figure 16. THD, SFDR vs. Reference Voltage |
类似零件编号 - AD7942 |
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类似说明 - AD7942 |
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