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AD7992BRM-0REEL Datasheet(PDF) 10 Page - Analog Devices |
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AD7992BRM-0REEL Datasheet(HTML) 10 Page - Analog Devices |
10 / 28 page AD7992 Rev. 0 | Page 10 of 28 TYPICAL PERFORMANCE CHARACTERISTICS –120 –100 –80 –60 –40 –20 0 20 40 060 60 62 64 66 68 70 72 74 76 1 10 100 INPUT FREQUENCY kHz VDD = 5.5V VDD = 5.0V VDD = 4.5V VDD = 2.7V VDD = 3.0V VDD = 3.3V VREF = VDD FREQUENCY (kHz) FS = 121kSPS FSCL = 3.4MHz FIN = 10kHz SNR = 71.84dB SINAD = 71.68dB THD = –86.18dB SFDR = –88.70dB Figure 4. Dynamic Performance with 5 V Supply and 2.5 V Reference, 121 kSPS, Mode 1, Single-Channel Mode –120 –100 –80 –60 –40 –20 0 FREQUENCY (kHz) SNR = 73.23dB SINAD = 73.10dB THD = –88.59dB SFDR = –90.46dB FS = 121kSPS FSCL = 3.4MHz FIN = 10kHz 060 10 20 30 40 50 Figure 5. Dynamic Performance with 5.5 V Supply and 5.5 V Reference, 121 KSPS, Mode 1, Dual-Channel Mode 20 40 70 80 90 100 10 1000 SUPPLY-RIPPLE FREQUENCY (kHz) 100 VDD = 3V VDD = 5V 50 30 60 VDD = 3V/5V 200mV p-p SINE WAVE ON VDD 2nF CAPACITOR ON VDD Figure 6. PSRR vs. Supply-Ripple Frequency, Single-Channel Mode Only Figure 7. SINAD vs. Analog Input Frequency for Various Supply Voltages at 136 kSPS with 3.4 MHz fSCL –1.0 –0.8 –0.6 –0.4 –0.2 0 0.2 0.4 0.6 0.8 1.0 2000 1500 500 1000 0 2500 3000 3500 4000 CODE Figure 8. Typical INL, VDD = 5.5 V, Reference = 2.5 V, Mode 1, 3.4 MHz fSCL , 121 kSPS –1.0 –0.8 –0.6 –0.4 –0.2 0 0.2 0.4 0.6 0.8 1.0 2000 1500 500 1000 0 2500 3000 3500 4000 CODE Figure 9. Typical DNL, VDD = 5.5 V, Reference = 2.5 V Mode 1, 3.4 MHz fSCL , 121 kSPS |
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