Datasheet LTC2374-16 (Analog Devices) - 8
| Hersteller | Analog Devices |
| Beschreibung | 16-Bit, 1.6Msps, 8-Channel SAR ADC with 96dB SNR |
| Seiten / Seite | 44 / 8 — Typical perForMance characTerisTics. TA = 25°C, VDD = 5V, OVDD = 2.5V, … |
| Dateiformat / Größe | PDF / 2.4 Mb |
| Dokumentensprache | Englisch |
Typical perForMance characTerisTics. TA = 25°C, VDD = 5V, OVDD = 2.5V, REFIN = 2.048V,
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LTC2374-16
Typical perForMance characTerisTics TA = 25°C, VDD = 5V, OVDD = 2.5V, REFIN = 2.048V, Fully Differential Range, VCM = 2.048V, fSMPL = 1.6Msps, unless otherwise noted. Integral Nonlinearity Differential Nonlinearity vs Output Code vs Output Code DC Histogram (Zero-Scale)
1.0 0.5 300000 σ = 0.14 0.8 0.4 250000 0.6 0.3 0.4 0.2 200000 0.2 0.1 0.0 0.0 150000 COUNTS –0.2 –0.1 INL ERROR (LSB) 100000 –0.4 DNL ERROR (LSB) –0.2 –0.6 –0.3 50000 –0.8 –0.4 –1.0 –0.5 0 –32768 –16384 0 16384 32768 –32768 –16384 0 16384 32768 –1 0 1 OUTPUT CODE OUTPUT CODE CODE 237416 G01 237416 G02 237416 G03
32k Point FFT fSMPL = 1.6Msps, 32k Point FFT fSMPL = 1.6Msps, DC Histogram (Near Full-Scale) fIN = 1kHz fIN = 1kHz, REFBUF = 5V
250000 0 0 σ = 0.24 SNR = 96dB SNR = 96.5dB –20 THD = –114dB THD = –112.1dB –20 SINAD = 96dB SINAD = 96.4dB 200000 –40 SFDR = 115dB –40 SFDR = 112.6dB –60 –60 150000 –80 –80 COUNTS –100 –100 100000 –120 AMPLITUDE (dBFS) –120 AMPLITUDE (dBFS) 50000 –140 –140 –160 –160 0 –180 –180 32740 32741 32742 0 100 200 300 400 500 600 700 800 0 100 200 300 400 500 600 700 800 CODE FREQUENCY (kHz) FREQUENCY (kHz) 237416 G04 237416 G05 237416 G06
THD, Harmonics vs REFBUF, SNR, SINAD vs Input Level, SNR, SINAD vs REFBUF, fIN = 1kHz fIN = 1kHz fIN = 1kHz
97.0 –110 97.0 96.5 SNR 96.5 THD –115 SNR 96.0 SINAD 96.0 SINAD 3RD 95.5 –120 95.5 95.0 SNR, SINAD (dBFS) 95.0 2ND SNR, SINAD (dBFS) THD, HARMONICS (dBFS) –125 94.5 94.5 94.0 –130 94.0 2.5 3 3.5 4 4.5 5 2.5 3 3.5 4 4.5 5 –40 –30 –20 –10 0 REFBUF VOLTAGE (V) REFBUF VOLTAGE (V) INPUT LEVEL (dB) 237416 G07 237416 G08 237416 G09 237416fa 8 For more information www.linear.com/LTC2374-16 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Converter Characteristics Dynamic Accuracy Internal Reference Characteristics Reference Buffer Characteristics Digital Inputs and Digital Outputs Power Requirements ADC Timing Characteristics Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Timing Diagram Applications Information Package Description Revision History Typical Application Related Parts
Typical perForMance characTerisTics TA = 25°C, VDD = 5V, OVDD = 2.5V, REFIN = 2.048V, Fully Differential Range, VCM = 2.048V, fSMPL = 1.6Msps, unless otherwise noted. Integral Nonlinearity Differential Nonlinearity vs Output Code vs Output Code DC Histogram (Zero-Scale)
1.0 0.5 300000 σ = 0.14 0.8 0.4 250000 0.6 0.3 0.4 0.2 200000 0.2 0.1 0.0 0.0 150000 COUNTS –0.2 –0.1 INL ERROR (LSB) 100000 –0.4 DNL ERROR (LSB) –0.2 –0.6 –0.3 50000 –0.8 –0.4 –1.0 –0.5 0 –32768 –16384 0 16384 32768 –32768 –16384 0 16384 32768 –1 0 1 OUTPUT CODE OUTPUT CODE CODE 237416 G01 237416 G02 237416 G03
32k Point FFT fSMPL = 1.6Msps, 32k Point FFT fSMPL = 1.6Msps, DC Histogram (Near Full-Scale) fIN = 1kHz fIN = 1kHz, REFBUF = 5V
250000 0 0 σ = 0.24 SNR = 96dB SNR = 96.5dB –20 THD = –114dB THD = –112.1dB –20 SINAD = 96dB SINAD = 96.4dB 200000 –40 SFDR = 115dB –40 SFDR = 112.6dB –60 –60 150000 –80 –80 COUNTS –100 –100 100000 –120 AMPLITUDE (dBFS) –120 AMPLITUDE (dBFS) 50000 –140 –140 –160 –160 0 –180 –180 32740 32741 32742 0 100 200 300 400 500 600 700 800 0 100 200 300 400 500 600 700 800 CODE FREQUENCY (kHz) FREQUENCY (kHz) 237416 G04 237416 G05 237416 G06
THD, Harmonics vs REFBUF, SNR, SINAD vs Input Level, SNR, SINAD vs REFBUF, fIN = 1kHz fIN = 1kHz fIN = 1kHz
97.0 –110 97.0 96.5 SNR 96.5 THD –115 SNR 96.0 SINAD 96.0 SINAD 3RD 95.5 –120 95.5 95.0 SNR, SINAD (dBFS) 95.0 2ND SNR, SINAD (dBFS) THD, HARMONICS (dBFS) –125 94.5 94.5 94.0 –130 94.0 2.5 3 3.5 4 4.5 5 2.5 3 3.5 4 4.5 5 –40 –30 –20 –10 0 REFBUF VOLTAGE (V) REFBUF VOLTAGE (V) INPUT LEVEL (dB) 237416 G07 237416 G08 237416 G09 237416fa 8 For more information www.linear.com/LTC2374-16 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Converter Characteristics Dynamic Accuracy Internal Reference Characteristics Reference Buffer Characteristics Digital Inputs and Digital Outputs Power Requirements ADC Timing Characteristics Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Timing Diagram Applications Information Package Description Revision History Typical Application Related Parts