Datasheet LTC2122 (Analog Devices) - 8
| 制造商 | Analog Devices |
| 描述 | Dual14-Bit 170Msps ADC with JESD204B Serial Outputs |
| 页数 / 页 | 50 / 8 — TYPICAL PERFORMANCE CHARACTERISTICS. 64k Point FFT, fIN = 421.1MHz,. 64k … |
| 文件格式/大小 | PDF / 1.5 Mb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. 64k Point FFT, fIN = 421.1MHz,. 64k Point FFT, fIN = 567.0MHz,
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LTC2122
TYPICAL PERFORMANCE CHARACTERISTICS 64k Point FFT, fIN = 421.1MHz, 64k Point FFT, fIN = 567.0MHz, 64k Point FFT, fIN = 907.0MHz –1dBFS, 170Msps –1dBFS, 170Msps –1dBFS, 170Msps
0 0 0 –20 –20 –20 –40 –40 –40 –60 –60 –60 –80 AMPLITUDE (dBFS) –80 AMPLITUDE (dBFS) –80 AMPLITUDE (dBFS) –100 –100 –100 –120 –120 –120 0 20 40 60 80 0 20 40 60 80 0 20 40 60 80 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 2122 G10 2122 G11 2122 G12
64k Point 2-Tone FFT, fIN = 71MHz SFDR vs Input Level, fIN = 70MHz, SNR vs Input Level, fIN = 70MHz, and 69MHz, –7dBFS, 170Msps 1.5V Range, 170Msps 1.5V Range, 170Msps
0 120 80 110 70 –20 100 dBFS 90 dBFS 60 –40 80 50 70 –60 60 40 50 dBc dBc 30 –80 AMPLITUDE (dBFS) 40 SFDR (dBc AND dBFS) SNR (dBc AND dBFS) 30 20 –100 20 10 10 –120 0 0 0 10 20 30 40 50 60 70 80 –80 –70 –60 –50 –40 –30 –20 –10 0 –70 –60 –50 –40 –30 –20 –10 0 FREQUENCY (MHz) INPUT LEVEL (dBFS) INPUT LEVEL (dBFS) 2122 G13 2122 G14 2122 G15
SFDR vs Input Frequency, SNR vs Input Frequency, IVDD vs Sample Rate, –1dBFS, 1.5V Range, 170Msps –1dBFS, 1.5V Range, 170Msps fIN = 15MHz, –1dBFS
90 75 440 85 70 420 65 400 80 60 380 2 LANE 75 (mA) 1 LANE 55 360 SFDR (dBFS) SNR (dBFS) I VDD 70 50 340 65 45 320 60 40 300 0 200 400 600 800 1000 0 200 400 600 800 1000 40 60 80 100 120 140 160 180 INPUT FREQUENCY (MHz) INPUT FREQUENCY (MHz) SAMPLE RATE (Msps) 2122 G16 2122 G17 2122 G18 2122fb 8 For more information www.linear.com/LTC2122 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Converter Characteristics Analog Input Dynamic Accuracy Internal Reference Characteristics Power Requirements Digital Inputs And Outputs Digital Inputs And Outputs Timing characteristics Typical Performance Characteristics Pin Functions Block Diagram Timing Diagram SPI Timing Definitions ADC PERFORMANCE TERMS SERIAL INTERFACE TERMS Applications Information CONVERTER OPERATION INPUT DRIVE CIRCUITS GROUNDING AND BYPASSING HEAT TRANSFER Typical Applications Package Description Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS 64k Point FFT, fIN = 421.1MHz, 64k Point FFT, fIN = 567.0MHz, 64k Point FFT, fIN = 907.0MHz –1dBFS, 170Msps –1dBFS, 170Msps –1dBFS, 170Msps
0 0 0 –20 –20 –20 –40 –40 –40 –60 –60 –60 –80 AMPLITUDE (dBFS) –80 AMPLITUDE (dBFS) –80 AMPLITUDE (dBFS) –100 –100 –100 –120 –120 –120 0 20 40 60 80 0 20 40 60 80 0 20 40 60 80 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 2122 G10 2122 G11 2122 G12
64k Point 2-Tone FFT, fIN = 71MHz SFDR vs Input Level, fIN = 70MHz, SNR vs Input Level, fIN = 70MHz, and 69MHz, –7dBFS, 170Msps 1.5V Range, 170Msps 1.5V Range, 170Msps
0 120 80 110 70 –20 100 dBFS 90 dBFS 60 –40 80 50 70 –60 60 40 50 dBc dBc 30 –80 AMPLITUDE (dBFS) 40 SFDR (dBc AND dBFS) SNR (dBc AND dBFS) 30 20 –100 20 10 10 –120 0 0 0 10 20 30 40 50 60 70 80 –80 –70 –60 –50 –40 –30 –20 –10 0 –70 –60 –50 –40 –30 –20 –10 0 FREQUENCY (MHz) INPUT LEVEL (dBFS) INPUT LEVEL (dBFS) 2122 G13 2122 G14 2122 G15
SFDR vs Input Frequency, SNR vs Input Frequency, IVDD vs Sample Rate, –1dBFS, 1.5V Range, 170Msps –1dBFS, 1.5V Range, 170Msps fIN = 15MHz, –1dBFS
90 75 440 85 70 420 65 400 80 60 380 2 LANE 75 (mA) 1 LANE 55 360 SFDR (dBFS) SNR (dBFS) I VDD 70 50 340 65 45 320 60 40 300 0 200 400 600 800 1000 0 200 400 600 800 1000 40 60 80 100 120 140 160 180 INPUT FREQUENCY (MHz) INPUT FREQUENCY (MHz) SAMPLE RATE (Msps) 2122 G16 2122 G17 2122 G18 2122fb 8 For more information www.linear.com/LTC2122 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Converter Characteristics Analog Input Dynamic Accuracy Internal Reference Characteristics Power Requirements Digital Inputs And Outputs Digital Inputs And Outputs Timing characteristics Typical Performance Characteristics Pin Functions Block Diagram Timing Diagram SPI Timing Definitions ADC PERFORMANCE TERMS SERIAL INTERFACE TERMS Applications Information CONVERTER OPERATION INPUT DRIVE CIRCUITS GROUNDING AND BYPASSING HEAT TRANSFER Typical Applications Package Description Revision History Typical Application Related Parts