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AD7292 Arkusz danych(PDF) 11 Page - Analog Devices |
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AD7292 Arkusz danych(HTML) 11 Page - Analog Devices |
11 / 41 page AD7292 Data Sheet TYPICAL PERFORMANCE CHARACTERISTICS –120 –100 –80 –60 –40 –20 0 0 10 20 30 40 50 60 70 80 90 100 INPUT FREQUENCY (kHz) AVDD = 5V DVDD = 5V VDRIVE = 3V TA = 25°C fSAMPLE = 200kSPS RANGE = 0V TO VREF SINGLE-ENDED MODE SNR = 61.6dB THD = –84.0dB SINAD = 61.49dB SFDR = 79.05dB Figure 4. ADC FFT, 200 kSPS, fIN = 10 kHz, Single-Ended Mode –0.3 –0.2 –0.1 0 0.1 0.2 0.3 0 128 256 384 512 640 768 896 1024 ADC CODE AVDD = DVDD = 5.25V VDRIVE = 1.8V CHANNEL 3 INTERNAL REFERENCE TA = 25°C WCP INL = 0.068LSB WCN INL = –0.255LSB SINGLE-ENDED MODE, 0V TO 4 × VREF RANGE Figure 5. Typical ADC INL, Single-Ended Mode –0.3 –0.2 –0.1 0 0.1 0.2 0.3 0 128 256 384 512 640 768 896 1024 ADC CODE AVDD = DVDD = 5.25V VDRIVE = 1.8V CHANNEL 3 INTERNAL REFERENCE TA = 25°C WCP DNL = 0.11LSB WCN DNL = –0.119LSB SINGLE-ENDED MODE, 0V TO 4 × VREF RANGE Figure 6. Typical ADC DNL, Single-Ended Mode –120 –100 –80 –60 –40 –20 0 0 10 20 30 40 50 60 70 80 90 100 INPUT FREQUENCY (kHz) AVDD = 5V DVDD = 5.25V VDRIVE = 1.8V TA = 25°C fSAMPLE = 200kSPS RANGE = 0V TO 2 × VREF DIFFERENTIAL MODE SNR = 61.798dB THD = –86.602dB SINAD = 61.784dB SFDR = 86.142dB Figure 7. ADC FFT, 200 kSPS, fIN = 10 kHz, Differential Mode –0.3 –0.2 –0.1 0 0.1 0.2 0.3 0 128 256 384 512 640 768 896 1024 ADC CODE DVDD = 5.25V AVDD = 4.75V VDRIVE = 3.3V CHANNEL 0 AND CHANNE L 1 INTERNAL REFERENCE TA = 25°C WCP INL = 0.091LSB WCN INL = –0.093LSB DIFFERENTIAL MODE, 0V TO VREF RANGE Figure 8. Typical ADC INL, Differential Mode 0 128 256 384 512 640 768 896 1024 ADC CODE –0.25 –0.20 –0.15 –0.10 –0.05 0 0.05 0.10 0.15 0.20 0.25 DVDD = 5.25V AVDD = 4.75V VDRIVE = 3.3V CHANNEL 0 AND CHANNE L 1 INTERNAL REFERENCE TA = 25°C WCP INL = 0.067LSB WCN INL = –0.08LSB DIFFERENTIAL MODE, 0V TO VREF RANGE Figure 9. Typical ADC DNL, Differential Mode Rev. A | Page 10 of 40 |
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