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AD7938BSU-6 Fiches technique(PDF) 11 Page - Analog Devices |
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AD7938BSU-6 Fiches technique(HTML) 11 Page - Analog Devices |
11 / 32 page AD7938-6 Rev. 0 | Page 11 of 32 TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. SUPPLY RIPPLE FREQUENCY (kHz) –60 –70 –80 –90 –110 –100 –120 10 210 610 410 810 1010 100mV p-p SINE WAVE ON VDD AND/OR VDRIVE NO DECOUPLING DIFFERENTIAL/SINGLE-ENDED MODE INT REF EXT REF Figure 3. PSRR vs. Supply Ripple Frequency without Supply Decoupling NOISE FREQUENCY (kHz) –70 –75 –90 –85 –80 –195 0 100 400 200 300 600 500 800 700 INTERNAL/EXTERNAL REFERENCE VDD = 5V Figure 4. AD7938-6 Channel-to-Channel Isolation FREQUENCY (kHz) 80 70 60 30 40 50 20 0 100 400 200 300 600 500 1000 700 800 900 FSAMPLE = 625kSPS RANGE = 0 TO VREF DIFFERENTIAL MODE VDD = 5V VDD = 3V Figure 5. AD7938-6 SINAD vs. Analog Input Frequency for Various Supply Voltages FREQUENCY (kHz) 0 –10 –20 –50 –40 –30 –90 –100 –80 –70 –60 –110 4096 POINT FFT VDD = 5V FSAMPLE = 625kSPS FIN = 49.62kHz SINAD = 70.94dB THD = –90.09dB DIFFERENTIAL MODE Figure 6. AD7938-6 FFT @ VDD = 5 V CODE 1.0 0.8 0.6 0.4 0.2 –0.2 0 –0.8 –0.6 –0.4 –1.0 0 500 2000 1000 1500 3000 2500 4000 3500 VDD = 5V DIFFERENTIAL MODE Figure 7. AD7938-6 Typical DNL @ VDD = 5 V CODE 1.0 0.8 0.6 0.4 0.2 –0.2 0 –0.8 –0.6 –0.4 –1.0 0 500 2000 1000 1500 3000 2500 4000 3500 VDD = 5V DIFFERENTIAL MODE Figure 8. AD7938-6 Typical INL @ VDD = 5 V |
Numéro de pièce similaire - AD7938BSU-6 |
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Description similaire - AD7938BSU-6 |
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