Datasheet AD7484 (Analog Devices) - 10

AD7484 TYPICAL PERFORMANCE CHARACTERISTICS 0 1.0 fIN = 10.7kHz SNR = 78.9dB 0.8 –20 SNR + D = 78.8dB THD = –93.9dB 0.6 –40 0.4 0.2 –60 ) B B) (d LS 0 L ( –80 IN –0.2 –100 –0.4 –0.6 –120 –0.8 –140 –1.0 0 200 400 600 800 1000 1200 1400
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0 4096 8192 12288 16384
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FREQUENCY (kHz) ADC (Code)
02642- 02642- Figure 3. 64 k FFT Plot with 10 kHz Input Tone Figure 6. Typical INL
0 80 fIN = 1.013MHz SNR = 77.7dB –20 SNR + D = 77.6dB THD = –95.5dB –40 75 –60 B) d B) (d –80 INAD ( S 70 –100 –120 –140 65 0 200 400 600 800 1000 1200 1400
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10 100 1000 10000
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FREQUENCY (kHz) INPUT FREQUENCY (kHz)
02642- 02642- Figure 4. 64 k FFT Plot with 1 MHz Input Tone Figure 7. SINAD vs. Input Tone