Datasheet AD7766 (Analog Devices) - 7
| Hersteller | Analog Devices |
| Beschreibung | 24-Bit, 8.5 mW, 109 dB, 128 kSPS/64 kSPS/32 kSPS ADCs |
| Seiten / Seite | 25 / 7 — AD7766. TIMING DIAGRAMS. MCLK. 8 × n. DRDY. tREAD. tDRDY. t13. t10. SCLK. … |
| Revision | C |
| Dateiformat / Größe | PDF / 1.6 Mb |
| Dokumentensprache | Englisch |
AD7766. TIMING DIAGRAMS. MCLK. 8 × n. DRDY. tREAD. tDRDY. t13. t10. SCLK. t11. t12. SDO. MSB. D22. D21. D20. LSB. CS = 0. t14. t15. DATA. INVALID
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Textversion des Dokuments
AD7766 TIMING DIAGRAMS t2 MCLK 1 8 × n 1 8 × n t3 t4 t1 t5 t5 DRDY tREAD
02 0
t
9-
DRDY
44 06 Figure 2. DRDY vs. MCLK Timing Diagram, n = 1 for AD7766 (Decimate by 8), n = 2 for AD7766-1 (Decimate by 16), n = 4 for AD7766-2 (Decimate by 32)
tDRDY DRDY tREAD t t13 6 CS t10 1 23 SCLK t11 t t 8 t9 7 t12
3 00
SDO MSB D22 D21 D20 D1 LSB
9- 44 06 Figure 3. Serial Timing Diagram, Reading Data Using CS
CS = 0 tDRDY DRDY tREAD t14 t10 SCLK 1 23 24 t11 t8 t9 t15 SDO DATA INVALID MSB D22 D21 D20 D1 LSB DATA INVALID
04 0 9- 44 06 Figure 4. Serial Timing Diagram, Reading Data Setting CS Logic Low Rev. C | Page 6 of 24 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION RELATED DEVICES TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS TIMING DIAGRAMS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY THEORY OF OPERATION AD7766/AD7766-1/AD7766-2 TRANSFER FUNCTION CONVERTER OPERATION ANALOG INPUT STRUCTURE SUPPLY AND REFERENCE VOLTAGES AD7766/AD7766-1/AD77662-2 INTERFACE INITIAL POWER-UP READING DATA POWER-DOWN, RESET, AND SYNCHRONIZATION DAISY CHAINING READING DATA IN DAISY-CHAIN MODE CHOOSING THE SCLK FREQUENCY DAISY-CHAIN MODE CONFIGURATION AND TIMING DIAGRAMS DRIVING THE AD7766/AD7766-1/AD7766-2 DIFFERENTIAL SIGNAL SOURCE SINGLE-ENDED SIGNAL SOURCE ANTIALIASING POWER DISSIPATION VREF+ INPUT SIGNAL MULTIPLEXING ANALOG INPUT CHANNELS OUTLINE DIMENSIONS ORDERING GUIDE
02 0
t
9-
DRDY
44 06 Figure 2. DRDY vs. MCLK Timing Diagram, n = 1 for AD7766 (Decimate by 8), n = 2 for AD7766-1 (Decimate by 16), n = 4 for AD7766-2 (Decimate by 32)
tDRDY DRDY tREAD t t13 6 CS t10 1 23 SCLK t11 t t 8 t9 7 t12
3 00
SDO MSB D22 D21 D20 D1 LSB
9- 44 06 Figure 3. Serial Timing Diagram, Reading Data Using CS
CS = 0 tDRDY DRDY tREAD t14 t10 SCLK 1 23 24 t11 t8 t9 t15 SDO DATA INVALID MSB D22 D21 D20 D1 LSB DATA INVALID
04 0 9- 44 06 Figure 4. Serial Timing Diagram, Reading Data Setting CS Logic Low Rev. C | Page 6 of 24 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION RELATED DEVICES TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS TIMING DIAGRAMS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY THEORY OF OPERATION AD7766/AD7766-1/AD7766-2 TRANSFER FUNCTION CONVERTER OPERATION ANALOG INPUT STRUCTURE SUPPLY AND REFERENCE VOLTAGES AD7766/AD7766-1/AD77662-2 INTERFACE INITIAL POWER-UP READING DATA POWER-DOWN, RESET, AND SYNCHRONIZATION DAISY CHAINING READING DATA IN DAISY-CHAIN MODE CHOOSING THE SCLK FREQUENCY DAISY-CHAIN MODE CONFIGURATION AND TIMING DIAGRAMS DRIVING THE AD7766/AD7766-1/AD7766-2 DIFFERENTIAL SIGNAL SOURCE SINGLE-ENDED SIGNAL SOURCE ANTIALIASING POWER DISSIPATION VREF+ INPUT SIGNAL MULTIPLEXING ANALOG INPUT CHANNELS OUTLINE DIMENSIONS ORDERING GUIDE