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ADSP-BF504 数据表(PDF) 58 Page - Analog Devices |
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ADSP-BF504 数据表(HTML) 58 Page - Analog Devices |
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58 / 80 page ![]() Rev. PrC | Page 58 of 80 | January 2010 ADSP-BF504/F,ADSP-BF506F Preliminary Technical Data ADC — TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Figure 56. PSRR vs. Supply Ripple Frequency Without Supply Decoupling Figure 57. Channel-to-Channel Isolation Figure 58. SINAD vs. Analog Input Frequency for Various Supply Voltages SUPPLY RIPPLE FREQUENCY (kHz) 2000 0 200 400 600 800 1000 1200 1400 1600 1800 –60 –70 –80 –90 –100 –110 –120 100mV p-p SINE WAVE ON AVDD NO DECOUPLING SINGLE-ENDED MODE EXTERNAL REFERENCE INTERNAL REFERENCE NOISE FREQUENCY (kHz) 1000 0 100 200 300 400 500 600 800 700 900 –50 –55 –60 –65 –70 –75 –90 –95 –80 –85 –100 VDD = 5V INPUT FREQUENCY (kHz) 3000 0 1000 2000 500 1500 2500 74 72 68 70 66 62 64 60 VDD = 5V DIFFERENTIAL MODE VDD = 3V DIFFERENTIAL MODE RANGE = 0 TO VREF Figure 59. FFT Figure 60. Typical DNL Figure 61. Typical INL FREQUENCY (kHz) 1000 0 100 200 300 400 500 600 700 800 900 –10 –30 –50 –70 –90 –110 4096 POINT FFT VDD = 5V, VDRIVE = 3V FSAMPLE = 2MSPS FIN = 52kHz SINAD = 71.4dB THD = –84.42dB DIFFERENTIAL MODE CODE 4000 0 1000 2000 3000 3500 500 1500 2500 1.0 0.6 0.8 0.2 0.4 –0.2 0 –0.6 –0.8 –0.4 –1.0 VDD = 5V, VDRIVE = 3V DIFFERENTIAL MODE CODE 4000 0 500 1000 1500 2000 2500 3000 3500 1.0 0.8 0.6 0.4 0.2 0 –0.2 –0.4 –0.6 –0.8 –1.0 VDD = 5V, VDRIVE = 3V DIFFERENTIAL MODE |
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