Datasheet LTC2393-16 (Analog Devices) - 6
| Manufacturer | Analog Devices |
| Description | 16-Bit, 1Msps SAR ADC With 94dB SNR |
| Pages / Page | 24 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, fSMPL = 1Msps, unless … |
| File Format / Size | PDF / 225 Kb |
| Document Language | English |
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, fSMPL = 1Msps, unless otherwise noted. Integral Nonlinearity
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LTC2393-16
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, fSMPL = 1Msps, 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 239316 G01 239316 G02 239316 G03
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) 239316 G04 239316 G05 239316 G06
16k Point FFT fS = 1Msps, 16k Point FFT fS = 1Msps, Full-Scale Error vs Temperature fIN = 20kHz fIN = 100kHz
10 0 0 SNR = 94.2dB 8 SNR = 94.2dB –20 THD –105dB –20 THD –100.6dB 6 SINAD = 93.9dB SINAD = 93.3dB –40 SFDR = 108dB –40 SFDR = 105.2dB 4 –60 –60 2 –80 –80 0 –100 –100 –2 –4 –120 AMPLITUDE (dBFS) –120 AMPLITUDE (dBFS) FULL-SCALE ERROR (LSB) –6 –140 –140 –8 –160 –160 –10 –180 –180 –55 –35 –15 5 25 45 65 85 105 125 0 100 200 300 400 500 0 100 200 300 400 500 TEMPERATURE (°C) FREQUENCY (kHz) FREQUENCY (kHz) 239316 G07 239316 G08 239316 G09 239316fa 6
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, fSMPL = 1Msps, 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 239316 G01 239316 G02 239316 G03
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) 239316 G04 239316 G05 239316 G06
16k Point FFT fS = 1Msps, 16k Point FFT fS = 1Msps, Full-Scale Error vs Temperature fIN = 20kHz fIN = 100kHz
10 0 0 SNR = 94.2dB 8 SNR = 94.2dB –20 THD –105dB –20 THD –100.6dB 6 SINAD = 93.9dB SINAD = 93.3dB –40 SFDR = 108dB –40 SFDR = 105.2dB 4 –60 –60 2 –80 –80 0 –100 –100 –2 –4 –120 AMPLITUDE (dBFS) –120 AMPLITUDE (dBFS) FULL-SCALE ERROR (LSB) –6 –140 –140 –8 –160 –160 –10 –180 –180 –55 –35 –15 5 25 45 65 85 105 125 0 100 200 300 400 500 0 100 200 300 400 500 TEMPERATURE (°C) FREQUENCY (kHz) FREQUENCY (kHz) 239316 G07 239316 G08 239316 G09 239316fa 6
