Datasheet LTC2392-16 (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | 16-Bit, 500ksps SAR ADC with 94dB SNR |
| 页数 / 页 | 26 / 6 — typical perFormance characteristics TA = 25°C, fSMPL = 500ksps, unless … |
| 文件格式/大小 | PDF / 321 Kb |
| 文件语言 | 英语 |
typical perFormance characteristics TA = 25°C, fSMPL = 500ksps, unless otherwise noted. Integral Nonlinearity
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LTC2392-16
typical perFormance characteristics TA = 25°C, fSMPL = 500ksps, unless otherwise noted. Integral Nonlinearity Differential Nonlinearity DC Histogram vs Output Code vs Output Code (External Reference)
2.0 1.5 2000000 1800000 1.5 1.0 1600000 1.0 1400000 0.5 0.5 1200000 0 0 1000000 COUNTS 800000 –0.5 INL ERROR (LSB) DNL ERROR (LSB) –0.5 600000 –1.0 400000 –1.0 –1.5 200000 –2.0 –1.5 0 0 16384 32768 49152 65536 0 16384 32768 49152 65536 32764 32766 32768 32770 32772 OUTPUT CODE OUTPUT CODE CODE 239216 G03 239216 G01 239216 G02
DC Histogram Internal Reference Output (Internal Reference) vs Temperature Offset Error vs Temperature
2000000 4.0975 1.0 TC = 4ppm/°C 1800000 4.0970 1600000 4.0965 0.8 1400000 4.0960 1200000 4.0955 0.6 1000000 4.0950 COUNTS 800000 4.0945 0.4 600000 4.0940 OFFSET ERROR (LSB) REFERENCE OUTPUT (V) 400000 4.0935 0.2 200000 4.0930 0 4.0925 0 32764 32766 32768 32770 32772 –55 –35 –15 5 25 45 65 85 105 125 –55 –35 –15 5 25 45 65 85 105 125 CODE TEMPERATURE (°C) TEMPERATURE (°C) 239216 G04 239216 G05 239216 G06
16k Point FFT fS = 500ksps, 16k Point FFT fS = 500ksps, Full-Scale Error vs Temperature fIN = 20kHz fIN = 100kHz
10 0 0 8 SNR = 94dB SNR = 94dB –20 THD = –103dB –20 THD = –97.3dB 6 SINAD = 93.5dB SINAD = 92.3dB –40 SFDR = 104dB –40 SFDR = 101.7dB 4 –60 –60 2 –80 –80 0 –100 –100 –2 –4 AMPLITUDE (dBFS) –120 AMPLITUDE (dBFS) –120 FULL-SCALE ERROR (LSB) –6 –140 –140 –8 –160 –160 –10 –180 –180 –55 –35 –15 5 25 45 65 85 105 125 0 50 100 150 200 250 0 50 100 150 200 250 TEMPERATURE (°C) FREQUENCY (kHz) FREQUENCY (kHz) 239216 G07 239216 G08 239216 G09 239216fa 6 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Analog Input Converter Characteristics Dynamic Accuracy Internal Reference Characteristics Digital Inputs and Digital Outputs Power Requirements Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Timing Diagrams Applications Information Package Description Revision History Typical Application Related Parts
typical perFormance characteristics TA = 25°C, fSMPL = 500ksps, unless otherwise noted. Integral Nonlinearity Differential Nonlinearity DC Histogram vs Output Code vs Output Code (External Reference)
2.0 1.5 2000000 1800000 1.5 1.0 1600000 1.0 1400000 0.5 0.5 1200000 0 0 1000000 COUNTS 800000 –0.5 INL ERROR (LSB) DNL ERROR (LSB) –0.5 600000 –1.0 400000 –1.0 –1.5 200000 –2.0 –1.5 0 0 16384 32768 49152 65536 0 16384 32768 49152 65536 32764 32766 32768 32770 32772 OUTPUT CODE OUTPUT CODE CODE 239216 G03 239216 G01 239216 G02
DC Histogram Internal Reference Output (Internal Reference) vs Temperature Offset Error vs Temperature
2000000 4.0975 1.0 TC = 4ppm/°C 1800000 4.0970 1600000 4.0965 0.8 1400000 4.0960 1200000 4.0955 0.6 1000000 4.0950 COUNTS 800000 4.0945 0.4 600000 4.0940 OFFSET ERROR (LSB) REFERENCE OUTPUT (V) 400000 4.0935 0.2 200000 4.0930 0 4.0925 0 32764 32766 32768 32770 32772 –55 –35 –15 5 25 45 65 85 105 125 –55 –35 –15 5 25 45 65 85 105 125 CODE TEMPERATURE (°C) TEMPERATURE (°C) 239216 G04 239216 G05 239216 G06
16k Point FFT fS = 500ksps, 16k Point FFT fS = 500ksps, Full-Scale Error vs Temperature fIN = 20kHz fIN = 100kHz
10 0 0 8 SNR = 94dB SNR = 94dB –20 THD = –103dB –20 THD = –97.3dB 6 SINAD = 93.5dB SINAD = 92.3dB –40 SFDR = 104dB –40 SFDR = 101.7dB 4 –60 –60 2 –80 –80 0 –100 –100 –2 –4 AMPLITUDE (dBFS) –120 AMPLITUDE (dBFS) –120 FULL-SCALE ERROR (LSB) –6 –140 –140 –8 –160 –160 –10 –180 –180 –55 –35 –15 5 25 45 65 85 105 125 0 50 100 150 200 250 0 50 100 150 200 250 TEMPERATURE (°C) FREQUENCY (kHz) FREQUENCY (kHz) 239216 G07 239216 G08 239216 G09 239216fa 6 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Analog Input Converter Characteristics Dynamic Accuracy Internal Reference Characteristics Digital Inputs and Digital Outputs Power Requirements Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Timing Diagrams Applications Information Package Description Revision History Typical Application Related Parts