Datasheet AD7983 (Analog Devices) - 9
| Hersteller | Analog Devices |
| Beschreibung | 16-Bit, 1.33 MSPS PulSAR ADC in MSOP/QFN |
| Seiten / Seite | 25 / 9 — AD7983. Data Sheet. TYPICAL PERFORMANCE CHARACTERISTICS. 1.25. 1.00. … |
| Revision | B |
| Dateiformat / Größe | PDF / 592 Kb |
| Dokumentensprache | Englisch |
AD7983. Data Sheet. TYPICAL PERFORMANCE CHARACTERISTICS. 1.25. 1.00. POSITIVE INL: 0.30LSB. POSITIVE DNL: 0.14LSB
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Textversion des Dokuments
AD7983 Data Sheet TYPICAL PERFORMANCE CHARACTERISTICS
VDD = 2.5 V, REF = 5 V, VIO = 3.3 V, unless otherwise noted.
1.25 1.00 POSITIVE INL: 0.30LSB POSITIVE DNL: 0.14LSB NEGATIVE INL: –0.37LSB 1.00 NEGATIVE DNL: –0.14LSB 0.75 0.75 0.50 0.50 0.25 ) 0.25 B B) S LS L 0 ( 0 L ( IN –0.25 DNL –0.25 –0.50 –0.50 –0.75 –0.75 –1.00
026 029
–1.25
06974-
–1.00
06974-
0 16384 32768 49152 65536 0 16384 32768 49152 65536 CODE CODE
Figure 6. Integral Nonlinearity vs. Code Figure 9. Differential Nonlinearity vs. Code
120k 80k 70k 67532 100k 96765 61565 60k 80k 50k S S UNT 60k UNT 40k CO CO 30k 40k 20k 20k 17590 16604 10k
041 042
0 0 0 0 58 55 0 0 0 0 0 0 0 0 829 1146 0 0 0 0 0 0
06974-
0
06974-
7FB6 7FB7 7FB8 7FB9 7FBA 7FBB 7FBC 7FBD 7FBE 7FBF 7FC0 7FC1 7FC2 7FF7 7FF8 7FF9 7FFA 7FFB 7FFC 7FFD 7FFE 7FFF 8000 8001 8002 8003 CODE IN HEX CODE IN HEX
Figure 7. Histogram of a DC Input at the Code Center Figure 10. Histogram of a DC Input at the Code Transition
0 95 fS = 1.33MSPS –20 fIN = 10kHz 94 SNR = 91.6dB ) THD = –114.9dB 93 le –40 a SFDR = 113.8dB c SINAD = 91.6dB 92 –60 Full S 91 of –80 B) d dB 90 ( E –100 NR ( D S 89 –120 LITU P 88 M A –140 87 –160
028
86
032
–180
06974-
85
06974-
0 100 200 300 400 500 600 –10 –9 –8 –7 –6 –5 –4 –3 –2 –1 0 FREQUENCY (kHz) INPUT LEVEL (dB of Full Scale)
Figure 8. FFT Plot Figure 11. SNR vs. Input Level Rev. B | Page 8 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 Voltage Reference Input Power Supply Digital Interface CS MODE, 3-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 Performance of the AD7983 Outline Dimensions Ordering Guide
VDD = 2.5 V, REF = 5 V, VIO = 3.3 V, unless otherwise noted.
1.25 1.00 POSITIVE INL: 0.30LSB POSITIVE DNL: 0.14LSB NEGATIVE INL: –0.37LSB 1.00 NEGATIVE DNL: –0.14LSB 0.75 0.75 0.50 0.50 0.25 ) 0.25 B B) S LS L 0 ( 0 L ( IN –0.25 DNL –0.25 –0.50 –0.50 –0.75 –0.75 –1.00
026 029
–1.25
06974-
–1.00
06974-
0 16384 32768 49152 65536 0 16384 32768 49152 65536 CODE CODE
Figure 6. Integral Nonlinearity vs. Code Figure 9. Differential Nonlinearity vs. Code
120k 80k 70k 67532 100k 96765 61565 60k 80k 50k S S UNT 60k UNT 40k CO CO 30k 40k 20k 20k 17590 16604 10k
041 042
0 0 0 0 58 55 0 0 0 0 0 0 0 0 829 1146 0 0 0 0 0 0
06974-
0
06974-
7FB6 7FB7 7FB8 7FB9 7FBA 7FBB 7FBC 7FBD 7FBE 7FBF 7FC0 7FC1 7FC2 7FF7 7FF8 7FF9 7FFA 7FFB 7FFC 7FFD 7FFE 7FFF 8000 8001 8002 8003 CODE IN HEX CODE IN HEX
Figure 7. Histogram of a DC Input at the Code Center Figure 10. Histogram of a DC Input at the Code Transition
0 95 fS = 1.33MSPS –20 fIN = 10kHz 94 SNR = 91.6dB ) THD = –114.9dB 93 le –40 a SFDR = 113.8dB c SINAD = 91.6dB 92 –60 Full S 91 of –80 B) d dB 90 ( E –100 NR ( D S 89 –120 LITU P 88 M A –140 87 –160
028
86
032
–180
06974-
85
06974-
0 100 200 300 400 500 600 –10 –9 –8 –7 –6 –5 –4 –3 –2 –1 0 FREQUENCY (kHz) INPUT LEVEL (dB of Full Scale)
Figure 8. FFT Plot Figure 11. SNR vs. Input Level Rev. B | Page 8 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 Voltage Reference Input Power Supply Digital Interface CS MODE, 3-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 Performance of the AD7983 Outline Dimensions Ordering Guide