Datasheet AD7981 (Analog Devices) - 9
| Manufacturer | Analog Devices |
| Description | High Temperature, 16-Bit, 600 kSPS PulSAR ADC |
| Pages / Page | 26 / 9 — Data Sheet. AD7981. 0.5. 0.6. 0.4. 0.3. 0.2. 0.1. L (. DN –0.1. –0.2. … |
| Revision | B |
| File Format / Size | PDF / 2.1 Mb |
| Document Language | English |
Data Sheet. AD7981. 0.5. 0.6. 0.4. 0.3. 0.2. 0.1. L (. DN –0.1. –0.2. –0.3. –0.4. –55°C. 25°C. +25°C. 175°C. +210°C. –0.5. –0.6
Model Line for this Datasheet
Text Version of Document
Data Sheet AD7981 0.5 0.6 0.4 0.4 0.3 0.2 0.2 0.1 ) B) B S S L ( 0 (L 0 L L DN –0.1 DN –0.2 –0.2 –0.3 –0.4 –0.4 –55°C 25°C +25°C 175°C +210°C –0.5 –0.6 1 6557 13113 19669 26225 32781 39337 45893 52449 59005
09 0
1 7285 14569 21853 29137 36421 43705 50989 58273
-202
CODE
2479-
CODE
1 12479 Figure 12. Differential Nonlinearity (DNL) vs. Code and Temperature, Figure 15. Differential Nonlinearity (DNL) vs. Code and Temperature, VREF = 2.5 V, MSOP VREF = 2.5 V, FLATPACK
70k 95 59691 59404 94 60k 93 50k 92 91 S 40k B) d UNT 90 NR ( CO 30k S 89 20k 88 87 10k 5428 6295 86 0 150 93 0 2 3 0 85
3 6
7FFF 8000 8001 8002 8003 8004 8005 8006 8007 8008 –10 –9 –8 –7 –6 –5 –4 –3 –2 –1 0
-04 -04 79 79
CODE IN HEX INPUT LEVEL (dB OF FULL SCALE)
124 124 Figure 13. Histogram of a DC Input at the Code Transition, VREF = 5.0 V Figure 16. SNR vs. Input Level
180k 60k 168591 160k 52212 50k 140k 120k 40k S 32417 100k S 31340 UNT UNT 30k CO 80k CO 60k 52710 20k 40k 38751 10k 7225 6807 20k 539 502 0 0 27 1201 829 33 0 0 16 14 0 0 0 2 0 0 0 0
9
8003 8004 8005 8006 8007 8008 8009 800A 800B 800C 800D 800E 800F
42
7FFA 7FFB 7FFC 7FFD 7FFE 7FFF 8000 8001 8002 8003 8004 8005 8006
0 -05 79 79-
CODE IN HEX CODE IN HEX
124 124 Figure 14. Histogram of a DC Input at the Code Center, VREF = 5.0 V Figure 17. Histogram of a DC Input at the Code Center, VREF = 2.5 V Rev. B | Page 9 of 26 Document Outline FEATURES APPLICATIONS TYPICAL APPLICATION CIRCUIT GENERAL DESCRIPTION REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY THEORY OF OPERATION CIRCUIT INFORMATION CONVERTER OPERATION Transfer Functions TYPICAL CONNECTION DIAGRAM ANALOG INPUT DRIVER AMPLIFIER CHOICE VOLTAGE REFERENCE INPUT POWER SUPPLY DIGITAL INTERFACE \CS MODE, 3-WIRE WITHOUT A BUSY INDICATOR \CS MODE, 3-WIRE WITH A BUSY INDICATOR \CS MODE, 4-WIRE WITHOUT A BUSY INDICATOR \CS MODE, 4-WIRE WITH A BUSY INDICATOR CHAIN MODE WITHOUT A BUSY INDICATOR CHAIN MODE WITH A BUSY INDICATOR APPLICATIONS INFORMATION PRINTED CIRCUIT BOARD (PCB) LAYOUT OUTLINE DIMENSIONS ORDERING GUIDE
09 0
1 7285 14569 21853 29137 36421 43705 50989 58273
-202
CODE
2479-
CODE
1 12479 Figure 12. Differential Nonlinearity (DNL) vs. Code and Temperature, Figure 15. Differential Nonlinearity (DNL) vs. Code and Temperature, VREF = 2.5 V, MSOP VREF = 2.5 V, FLATPACK
70k 95 59691 59404 94 60k 93 50k 92 91 S 40k B) d UNT 90 NR ( CO 30k S 89 20k 88 87 10k 5428 6295 86 0 150 93 0 2 3 0 85
3 6
7FFF 8000 8001 8002 8003 8004 8005 8006 8007 8008 –10 –9 –8 –7 –6 –5 –4 –3 –2 –1 0
-04 -04 79 79
CODE IN HEX INPUT LEVEL (dB OF FULL SCALE)
124 124 Figure 13. Histogram of a DC Input at the Code Transition, VREF = 5.0 V Figure 16. SNR vs. Input Level
180k 60k 168591 160k 52212 50k 140k 120k 40k S 32417 100k S 31340 UNT UNT 30k CO 80k CO 60k 52710 20k 40k 38751 10k 7225 6807 20k 539 502 0 0 27 1201 829 33 0 0 16 14 0 0 0 2 0 0 0 0
9
8003 8004 8005 8006 8007 8008 8009 800A 800B 800C 800D 800E 800F
42
7FFA 7FFB 7FFC 7FFD 7FFE 7FFF 8000 8001 8002 8003 8004 8005 8006
0 -05 79 79-
CODE IN HEX CODE IN HEX
124 124 Figure 14. Histogram of a DC Input at the Code Center, VREF = 5.0 V Figure 17. Histogram of a DC Input at the Code Center, VREF = 2.5 V Rev. B | Page 9 of 26 Document Outline FEATURES APPLICATIONS TYPICAL APPLICATION CIRCUIT GENERAL DESCRIPTION REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY THEORY OF OPERATION CIRCUIT INFORMATION CONVERTER OPERATION Transfer Functions TYPICAL CONNECTION DIAGRAM ANALOG INPUT DRIVER AMPLIFIER CHOICE VOLTAGE REFERENCE INPUT POWER SUPPLY DIGITAL INTERFACE \CS MODE, 3-WIRE WITHOUT A BUSY INDICATOR \CS MODE, 3-WIRE WITH A BUSY INDICATOR \CS MODE, 4-WIRE WITHOUT A BUSY INDICATOR \CS MODE, 4-WIRE WITH A BUSY INDICATOR CHAIN MODE WITHOUT A BUSY INDICATOR CHAIN MODE WITH A BUSY INDICATOR APPLICATIONS INFORMATION PRINTED CIRCUIT BOARD (PCB) LAYOUT OUTLINE DIMENSIONS ORDERING GUIDE
