Datasheet AD7352 (Analog Devices) - 9

AD7352 Data Sheet TYPICAL PERFORMANCE CHARACTERISTICS 0 16,384 POINT FFT 60,000 fSAMPLE = 3MSPS –20 fIN = 1MHz SNR = 72.1dB S 50,000 SINAD = 71.6dB THD = –81.5dB NCE –40 40,000 CCURRE –60 dB O 30,000 F R O –80 BE 20,000 NUM –100 10,000
003 007
93 HITS 20 HITS
07044-
–120
07044-
0 0 150 300 450 600 750 900 1050 1200 1350 1500 2044 2045 2046 2047 2048 2049 2050 FREQUENCY (kHz) CODE
Figure 3. Typical FFT Figure 6. Histogram of Codes for 65,000 Samples
1.0 73 0.8 72 0.6 0.4 71 B) S L 0.2 70 R ( B) d 0 RRO NR ( E 69 –0.2 S DNL –0.4 68 –0.6 67 –0.8
004 035
–1.0
07044- 07044-
66 0 500 1000 1500 2000 2500 3000 3500 4000 0 1000 2000 3000 4000 5000 CODE ANALOG INPUT FREQUENCY (kHz)
Figure 4. Typical DNL Error Figure 7. SNR vs. Analog Input Frequency
1.0 –60 0.8 –65 0.6 0.4 B) –70 S 0.2 L B) R ( d 0 –75 RRO RR ( S E –0.2 P INL –80 –0.4 –0.6 –85 –0.8
005 034
–1.0
07044- 07044-
–90 0 500 1000 1500 2000 2500 3000 3500 4000 0 5 10 15 20 25 CODE SUPPLY RIPPLE FREQUENCY (MHz)
Figure 5. Typical INL Error Figure 8. PSRR vs. Supply Ripple Frequency with No Supply Decoupling Rev. B | Page 8 of 20 Document Outline Features Applications Functional Block Diagram General Description Product Highlights Table of Contents 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 Analog Input Structure Analog Inputs Driving Differential Inputs Differential Amplifier Op Amp Pair Voltage Reference ADC Transfer Function Modes of Operation Normal Mode Partial Power-Down Mode Full Power-Down Mode Power-Up Times Power vs. Throughput Rate Serial Interface Application Hints Grounding and Layout Evaluating the AD7352 Performance Outline Dimensions Ordering Guide