Datasheet AD7984 (Analog Devices) - 10
| Hersteller | Analog Devices |
| Beschreibung | 18-Bit, 1.33 MSPS PulSAR 10.5 mW ADC in MSOP/QFN |
| Seiten / Seite | 25 / 10 — Data Sheet. AD7984. 100. –100. SNR. –105. SINAD. ts). INAD (. B (. –110. … |
| Revision | B |
| Dateiformat / Größe | PDF / 667 Kb |
| Dokumentensprache | Englisch |
Data Sheet. AD7984. 100. –100. SNR. –105. SINAD. ts). INAD (. B (. –110. HD (. NR, S. ENOB. –115. –120. 2.5. 3.0. 3.5. 4.0. 4.5. 5.0. 5.5. REFERENCE VOLTAGE (V)
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Data Sheet AD7984 100 18 –100 SNR 95 17 –105 B) SINAD d ts) B) Bi d INAD ( 90 16 B ( –110 S HD ( NO T E NR, S ENOB 85 15 –115
045
80 14 –120
06973-
2.5 3.0 3.5 4.0 4.5 5.0 5.5
043
2.5 3.0 3.5 4.0 4.5 5.0 5.5 REFERENCE VOLTAGE (V) REFERENCE VOLTAGE (V)
06973- Figure 12. SNR, SINAD, and ENOB vs. Reference Voltage Figure 15. THD vs. Reference Voltage
100 –100 98 –105 96 B) B) d d –110 NR ( HD ( S T 94 –115 92
044 046
90
06973-
–120
06973-
–55 –35 –15 5 25 45 65 85 105 –55 –35 –15 5 25 45 65 85 105 125 TEMPERATURE (°C) TEMPERATURE (°C)
Figure 13. SNR vs. Temperature Figure 16. THD vs. Temperature
100 –80 –85 95 –90 B) d B) –95 d 90 HD ( INAD ( T –100 S –105 85 –110
034 040
80
06973-
–115
06973-
1 10 100 1000 1 10 100 1000 FREQUENCY (kHz) FREQUENCY (kHz)
Figure 14. SINAD vs. Frequency Figure 17. THD vs. Frequency Rev. B | Page 9 of 24 Document Outline FEATURES APPLICATIONS APPLICATION DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY THEORY OF OPERATION CIRCUIT INFORMATION CONVERTER OPERATION Transfer Functions TYPICAL CONNECTION DIAGRAM ANALOG INPUTS DRIVER AMPLIFIER CHOICE SINGLE-TO-DIFFERENTIAL DRIVER VOLTAGE REFERENCE INPUT POWER SUPPLY DIGITAL INTERFACE MODE, 3-CS WIRE WITHOUT BUSY INDICATOR CS MODE, 3-WIRE WITH BUSY INDICATOR CS MODE, 4-WIRE WITHOUT BUSY INDICATOR CS MODE, 4-WIRE WITH BUSY INDICATOR CHAIN MODE WITHOUT BUSY INDICATOR CHAIN MODE WITH BUSY INDICATOR APPLICATION HINTS LAYOUT EVALUATING THE AD7984 PERFORMANCE OUTLINE DIMENSIONS ORDERING GUIDE
045
80 14 –120
06973-
2.5 3.0 3.5 4.0 4.5 5.0 5.5
043
2.5 3.0 3.5 4.0 4.5 5.0 5.5 REFERENCE VOLTAGE (V) REFERENCE VOLTAGE (V)
06973- Figure 12. SNR, SINAD, and ENOB vs. Reference Voltage Figure 15. THD vs. Reference Voltage
100 –100 98 –105 96 B) B) d d –110 NR ( HD ( S T 94 –115 92
044 046
90
06973-
–120
06973-
–55 –35 –15 5 25 45 65 85 105 –55 –35 –15 5 25 45 65 85 105 125 TEMPERATURE (°C) TEMPERATURE (°C)
Figure 13. SNR vs. Temperature Figure 16. THD vs. Temperature
100 –80 –85 95 –90 B) d B) –95 d 90 HD ( INAD ( T –100 S –105 85 –110
034 040
80
06973-
–115
06973-
1 10 100 1000 1 10 100 1000 FREQUENCY (kHz) FREQUENCY (kHz)
Figure 14. SINAD vs. Frequency Figure 17. THD vs. Frequency Rev. B | Page 9 of 24 Document Outline FEATURES APPLICATIONS APPLICATION DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY THEORY OF OPERATION CIRCUIT INFORMATION CONVERTER OPERATION Transfer Functions TYPICAL CONNECTION DIAGRAM ANALOG INPUTS DRIVER AMPLIFIER CHOICE SINGLE-TO-DIFFERENTIAL DRIVER VOLTAGE REFERENCE INPUT POWER SUPPLY DIGITAL INTERFACE MODE, 3-CS WIRE WITHOUT BUSY INDICATOR CS MODE, 3-WIRE WITH BUSY INDICATOR CS MODE, 4-WIRE WITHOUT BUSY INDICATOR CS MODE, 4-WIRE WITH BUSY INDICATOR CHAIN MODE WITHOUT BUSY INDICATOR CHAIN MODE WITH BUSY INDICATOR APPLICATION HINTS LAYOUT EVALUATING THE AD7984 PERFORMANCE OUTLINE DIMENSIONS ORDERING GUIDE