Datasheet AD7091R (Analog Devices) - 10

AD7091R Data Sheet TYPICAL PERFORMANCE CHARACTERISTICS 0 72 VDD = 2.7V VDRIVE = 3.3V –20 TA = 25°C 70 fIN = 10kHz –40 f 2.7V SAMPLE = 1 MSPS 3.0V SNR = 69.32dB 68 SINAD = 68.66dB 5.0V B) –60 THD = –84.42dB B) d d 66 NR ( NR ( S –80 S 64 –100 62 –120 TA = 25°C –140 60 0 100 200 300 400 500
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1 10 100
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FREQUENCY (kHz) INPUT FREQUENCY (kHz)
10494- 10494- Figure 5. Typical Dynamic Performance Figure 8. SNR vs. Analog Input Frequency for Various Supply Voltages
1.0 0 V TA = 25°C 0.8 DD = 2.7V V –10 f DRIVE = 3.3V SAMPLE = 1MSPS T 0.6 A = 25°C –20 fSAMPLE = 1 MSPS 0.4 –30 ) 0.2 –40 B) SB d 0.0 (L –50 L HD ( 2.7V IN T –0.2 –60 3.0V 5.0V –0.4 –70 –0.6 –80 –0.8 –90 –1.0 –100 0 512 1024 1536 2048 2560 3072 3584 4096
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1 10 100
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CODE
10494-
INPUT FREQUENCY (kHz)
10494- Figure 6. Typical INL Performance Figure 9. THD vs. Analog Input Frequency for Various Supply Voltages
1.0 –50 VDD = 2.7V TA = 25°C 0.8 V V DRIVE = 3.3V DD = 3V –55 T fIN = 10kHz 0.6 A = 25°C f f SAMPLE = 1 MSPS SAMPLE = 1MSPS 0.4 –60 ) 0.2 B) –65 SB d (L 0.0 L HD ( DN T –70 –0.2 –0.4 –75 –0.6 –80 –0.8 –1.0 –85 0 512 1024 1536 2048 2560 3072 3584 4096
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10 100 1k 10k
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CODE SOURCE IMPEDANCE (Ω)
10494- 10494- Figure 7. Typical DNL Performance Figure 10. THD vs. Source Impedance Rev. B | Page 8 of 20 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM PRODUCT HIGHLIGHTS REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY THEORY OF OPERATION CIRCUIT INFORMATION CONVERTER OPERATION ADC TRANSFER FUNCTION INTERNAL/EXTERNAL VOLTAGE REFERENCE TYPICAL CONNECTION DIAGRAM ANALOG INPUT MODES OF OPERATION Normal Mode Power-Down Mode POWER CONSUMPTION Normal Mode Normal and Power-Down Mode Combination SERIAL INTERFACE WITH BUSY INDICATOR WITHOUT BUSY INDICATOR SOFTWARE RESET INTERFACING WITH 8-/16-BIT SPI OUTLINE DIMENSIONS ORDERING GUIDE