Datasheet LTC2326-16 (Analog Devices) - 7
| Hersteller | Analog Devices |
| Beschreibung | 16-Bit, 250ksps, ±10.24V True Bipolar, Pseudo-Differential Input ADC with 93.5dB SNR |
| Seiten / Seite | 26 / 7 — Typical. perForMance characTerisTics TA = 25°C, VDD = 5V, OVDD = 2.5V, … |
| Dateiformat / Größe | PDF / 1.0 Mb |
| Dokumentensprache | Englisch |
Typical. perForMance characTerisTics TA = 25°C, VDD = 5V, OVDD = 2.5V, REFIN = 2.048V,
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LTC2326-16
Typical perForMance characTerisTics TA = 25°C, VDD = 5V, OVDD = 2.5V, REFIN = 2.048V, fSMPL = 250ksps, unless otherwise noted. Integral Nonlinearity Differential Nonlinearity vs Output Code vs Output Code DC Histogram
1.0 0.5 9000 σ = 0.5 0.8 0.4 8000 0.6 0.3 7000 0.4 0.2 6000 0.2 0.1 5000 0 0 4000 –0.2 –0.1 COUNTS INL ERROR (LSB) –0.4 DNL ERROR (LSB) –0.2 3000 –0.6 –0.3 2000 –0.8 –0.4 1000 –1.0 –0.5 0 –32768 –16384 0 16384 32768 –32768 –16384 0 16384 32768 –1 0 1 2 OUTPUT CODE OUTPUT CODE CODE 233616 G03 232616 G01 232616 G02
32k Point FFT fS = 250ksps, THD, Harmonics vs Input fIN = 2kHz SNR, SINAD vs Input Frequency Frequency
0 100 –70 SNR = 93.5dB –20 THD = –113dB SNR –80 SINAD = 93.4dB –40 SFDR = –117dB 90 –90 –60 SINAD –100 –80 80 –110 –100 –120 AMPLITUDE (dBFS) –120 SNR, SINAD (dBFS) 70 –140 THD, HARMONICS (dBFS) –130 THD –160 –140 2ND 3RD –180 60 –150 0 25 50 75 100 125 0 25 50 75 100 125 0 25 50 75 100 125 FREQUENCY (kHz) FREQUENCY (kHz) FREQUENCY (kHz) 232616 G04 232616 G06 232616 G05
SNR, SINAD vs Input Level, SNR, SINAD vs Temperature, THD, Harmonics vs Temperature, fIN = 2kHz fIN = 2kHz fIN = 2kHz
96 96 –105 95 THD 95 SNR –110 94 2ND 94 93 –115 SINAD 92 MAGNITUDE (dBFS) SNR, SINAD (dBFS) 93 THD, HARMONICS (dBFS) –120 91 SNR 3RD SINAD 92 90 –125 –40 –30 –20 –10 0 –40 –25 –10 5 20 35 50 65 80 95 110 125 –40 –25 –10 5 20 35 50 65 80 95 110 125 INPUT LEVEL (dB) TEMPERATURE (°C) TEMPERATURE (°C) 232616 G09 232616 G07 232616 G08 232616fa For more information www.linear.com/LTC2326-16 7 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Converter Characteristics Dynamic Accuracy Internal Reference Characteristics Reference Buffer Characteristics Digital Inputs and Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Timing Diagram Applications Information Board Layout Package Description Revision History Typical Application Related Parts
Typical perForMance characTerisTics TA = 25°C, VDD = 5V, OVDD = 2.5V, REFIN = 2.048V, fSMPL = 250ksps, unless otherwise noted. Integral Nonlinearity Differential Nonlinearity vs Output Code vs Output Code DC Histogram
1.0 0.5 9000 σ = 0.5 0.8 0.4 8000 0.6 0.3 7000 0.4 0.2 6000 0.2 0.1 5000 0 0 4000 –0.2 –0.1 COUNTS INL ERROR (LSB) –0.4 DNL ERROR (LSB) –0.2 3000 –0.6 –0.3 2000 –0.8 –0.4 1000 –1.0 –0.5 0 –32768 –16384 0 16384 32768 –32768 –16384 0 16384 32768 –1 0 1 2 OUTPUT CODE OUTPUT CODE CODE 233616 G03 232616 G01 232616 G02
32k Point FFT fS = 250ksps, THD, Harmonics vs Input fIN = 2kHz SNR, SINAD vs Input Frequency Frequency
0 100 –70 SNR = 93.5dB –20 THD = –113dB SNR –80 SINAD = 93.4dB –40 SFDR = –117dB 90 –90 –60 SINAD –100 –80 80 –110 –100 –120 AMPLITUDE (dBFS) –120 SNR, SINAD (dBFS) 70 –140 THD, HARMONICS (dBFS) –130 THD –160 –140 2ND 3RD –180 60 –150 0 25 50 75 100 125 0 25 50 75 100 125 0 25 50 75 100 125 FREQUENCY (kHz) FREQUENCY (kHz) FREQUENCY (kHz) 232616 G04 232616 G06 232616 G05
SNR, SINAD vs Input Level, SNR, SINAD vs Temperature, THD, Harmonics vs Temperature, fIN = 2kHz fIN = 2kHz fIN = 2kHz
96 96 –105 95 THD 95 SNR –110 94 2ND 94 93 –115 SINAD 92 MAGNITUDE (dBFS) SNR, SINAD (dBFS) 93 THD, HARMONICS (dBFS) –120 91 SNR 3RD SINAD 92 90 –125 –40 –30 –20 –10 0 –40 –25 –10 5 20 35 50 65 80 95 110 125 –40 –25 –10 5 20 35 50 65 80 95 110 125 INPUT LEVEL (dB) TEMPERATURE (°C) TEMPERATURE (°C) 232616 G09 232616 G07 232616 G08 232616fa For more information www.linear.com/LTC2326-16 7 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Converter Characteristics Dynamic Accuracy Internal Reference Characteristics Reference Buffer Characteristics Digital Inputs and Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Timing Diagram Applications Information Board Layout Package Description Revision History Typical Application Related Parts