Datasheet LTC2374-16 (Analog Devices) - 10
| Hersteller | Analog Devices |
| Beschreibung | 16-Bit, 1.6Msps, 8-Channel SAR ADC with 96dB SNR |
| Seiten / Seite | 44 / 10 — 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, Pseudo-Differential Unipolar Range, fSMPL = 1.6Msps, unless otherwise noted. Integral Nonlinearity vs Output Differential Nonlinearity vs Code Output Code DC Histogram (Zero-Scale)
1.0 0.5 250000 σ = 0.58 0.8 0.4 0.6 0.3 200000 0.4 0.2 0.2 0.1 150000 0.0 0.0 –0.2 –0.1 COUNTS 100000 INL ERROR (LSB) –0.4 DNL ERROR (LSB) –0.2 –0.6 –0.3 50000 –0.8 –0.4 –1.0 –0.5 0 0 16384 32768 49152 65536 0 16384 32768 49152 65536 4 5 6 7 8 OUTPUT CODE OUTPUT CODE CODE 237416 G19 237416 G20 237416 G21
32k Point FFT f 32k Point FFT f SMPL = 1.6Msps, SMPL = 1.6Msps, DC Histogram (Near Full-Scale) f f IN = 1kHz IN = 1kHz, REFBUF = 5V
200000 0 0 σ = 0.53 SNR = 93dB SNR = 94dB –20 THD = –110dB –20 THD = –110.7dB SINAD = 93dB SINAD = 94dB 150000 –40 SFDR = 112dB –40 SFDR = 112.0dB –60 –60 –80 –80 100000 COUNTS –100 –100 –120 AMPLITUDE (dBFS) –120 AMPLITUDE (dBFS) 50000 –140 –140 –160 –160 0 –180 –180 65503 65504 65505 65506 65507 0 100 200 300 400 500 600 700 800 0 100 200 300 400 500 600 700 800 CODE FREQUENCY (kHz) FREQUENCY (kHz) 237416 G22 237416 G23 237416 G24
THD, Harmonics vs REFBUF, SNR, SINAD vs Input Level, SNR, SINAD vs REFBUF, fIN = 1kHz fIN = 1kHz fIN = 1kHz
95.0 –105.0 95.0 SNR THD 94.0 –110.0 94.0 SNR 93.0 2ND SINAD –115.0 93.0 SINAD 92.0 –120.0 92.0 91.0 SNR, SINAD (dBFS) 3RD SNR, SINAD (dBFS) THD, HARMONICS (dBFS) –125.0 90.0 91.0 89.0 –130.0 90.0 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 G25 237416 G26 237416 G27 237416fa 10 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, Pseudo-Differential Unipolar Range, fSMPL = 1.6Msps, unless otherwise noted. Integral Nonlinearity vs Output Differential Nonlinearity vs Code Output Code DC Histogram (Zero-Scale)
1.0 0.5 250000 σ = 0.58 0.8 0.4 0.6 0.3 200000 0.4 0.2 0.2 0.1 150000 0.0 0.0 –0.2 –0.1 COUNTS 100000 INL ERROR (LSB) –0.4 DNL ERROR (LSB) –0.2 –0.6 –0.3 50000 –0.8 –0.4 –1.0 –0.5 0 0 16384 32768 49152 65536 0 16384 32768 49152 65536 4 5 6 7 8 OUTPUT CODE OUTPUT CODE CODE 237416 G19 237416 G20 237416 G21
32k Point FFT f 32k Point FFT f SMPL = 1.6Msps, SMPL = 1.6Msps, DC Histogram (Near Full-Scale) f f IN = 1kHz IN = 1kHz, REFBUF = 5V
200000 0 0 σ = 0.53 SNR = 93dB SNR = 94dB –20 THD = –110dB –20 THD = –110.7dB SINAD = 93dB SINAD = 94dB 150000 –40 SFDR = 112dB –40 SFDR = 112.0dB –60 –60 –80 –80 100000 COUNTS –100 –100 –120 AMPLITUDE (dBFS) –120 AMPLITUDE (dBFS) 50000 –140 –140 –160 –160 0 –180 –180 65503 65504 65505 65506 65507 0 100 200 300 400 500 600 700 800 0 100 200 300 400 500 600 700 800 CODE FREQUENCY (kHz) FREQUENCY (kHz) 237416 G22 237416 G23 237416 G24
THD, Harmonics vs REFBUF, SNR, SINAD vs Input Level, SNR, SINAD vs REFBUF, fIN = 1kHz fIN = 1kHz fIN = 1kHz
95.0 –105.0 95.0 SNR THD 94.0 –110.0 94.0 SNR 93.0 2ND SINAD –115.0 93.0 SINAD 92.0 –120.0 92.0 91.0 SNR, SINAD (dBFS) 3RD SNR, SINAD (dBFS) THD, HARMONICS (dBFS) –125.0 90.0 91.0 89.0 –130.0 90.0 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 G25 237416 G26 237416 G27 237416fa 10 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