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AD7298-1 数据表(PDF) 10 Page - Analog Devices |
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AD7298-1 数据表(HTML) 10 Page - Analog Devices |
10 / 24 page AD7298-1 Rev. A | Page 10 of 24 1.0 1.5 2.0 2.5 3.0 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 CURRENT LOAD (mA) VDD = VDRIVE = 3V Figure 9. VREF vs. Reference Output Current Drive –110 –108 –106 –104 –102 –100 –98 –96 –94 –92 –90 1k 10k 100k 1M 10M 100M RIPPLE FREQUENCY (Hz) VDD = 3V VDRIVE = 3V Figure 10. PSRR vs. Supply Ripple Frequency Without Supply Decoupling 70 75 80 85 90 95 100 105 110 0 50 100 150 200 250 300 350 400 450 500 550 fNOISE (kHz) Figure 11. Channel-to-Channel Isolation, fIN = 50 kHz 58.0 58.5 59.0 59.5 60.0 60.5 61.0 61.5 62.0 10 100 INPUT FREQUENCY (kHz) VDD = 3V VDRIVE = 3V RSOURCE = 0Ω RSOURCE = 10Ω RSOURCE = 33Ω RSOURCE = 47Ω RSOURCE = 100Ω RSOURCE = 200Ω Figure 12. SINAD vs. Analog Input Frequency for Various Source Impedances 60.50 60.75 61.00 61.25 61.50 61.75 62.00 1.0 1.5 2.0 2.5 EXTERNAL REFERENCE VOLTAGE (V) VDD = 3V VDRIVE = 3V Figure 13. SINAD vs. Reference Voltage –90 –89 –88 –87 –86 –85 –84 –83 –82 –81 –80 1.0 1.5 2.0 2.5 EXTERNAL REFERENCE VOLTAGE (V) VDD = 3V VDRIVE = 3V Figure 14. THD vs. Reference Voltage |
类似零件编号 - AD7298-1 |
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类似说明 - AD7298-1 |
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