Datasheet LTC1419 (Analog Devices) - 5
| Fabricante | Analog Devices |
| Descripción | 14-Bit, 800ksps Sampling A/D Converter with Shutdown |
| Páginas / Página | 20 / 5 — TYPICAL PERFORMANCE CHARACTERISTICS. S/(N + D) vs Input Frequency. … |
| Formato / tamaño de archivo | PDF / 270 Kb |
| Idioma del documento | Inglés |
TYPICAL PERFORMANCE CHARACTERISTICS. S/(N + D) vs Input Frequency. Signal-to-Noise Ratio. and Amplitude. vs Input Frequency
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Versión de texto del documento
LTC1419
W U TYPICAL PERFORMANCE CHARACTERISTICS S/(N + D) vs Input Frequency Signal-to-Noise Ratio and Amplitude vs Input Frequency Distortion vs Input Frequency
90 90 0 80 –10 80 VIN = 0dB –20 70 V 70 IN = –20dB –30 60 60 –40 50 50 –50 40 –60 40 –70 30 30 VIN = –60dB –80 THD 20 20 SIGNAL-TO -NOISE RATIO (dB) –90 SIGNAL/(NOISE + DISTORTION) (dB) 10 2ND 10 –100 3RD 0 AMPLITUDE (dB BELOW THE FUNDAMENTAL) 0 – 110 1k 10k 100k 1M 2M 1k 10k 100k 1M 2M 1k 10k 100k 1M 2M INPUT FREQUENCY (Hz) INPUT FREQUENCY (Hz) INPUT FREQUENCY (Hz) 1419 G01 1419 G02 1419 G03
Spurious-Free Dynamic Range Differential Nonlinearity vs Input Frequency Intermodulation Distortion Plot vs Output Code
0 0 1.0 fSAMPLE = 800kHz –10 fIN1 = 95.8984375kHz –20 – 20 fIN2 = 104.1015625kHz 0.5 –30 – 40 – 40 –50 – 60 0 – 60 –70 AMPLITUDE (dB) – 80 DNL ERROR (LSBs) –80 – 0.5 – 90 –100 SPURIOUS-FREE DYNAMIC RANGE (dB) –100 –110 –120 –1.0 10k 100k 1M 2M 0 50 100 150 200 250 300 350 400 0 4096 8192 12288 16384 INPUT FREQUENCY (Hz) FREQUENCY (kHz) OUTPUT CODE 1419 G04 1419 G05 1419 G06
Integral Nonlinearity Power Supply Feedthrough Input Common Mode Rejection vs Output Code vs Ripple Frequency vs Input Frequency
1.0 0 80 –10 70 –20 0.5 60 –30 –40 50 0 –50 40 –60 30 INL ERROR (LSBs) –70 – 0.5 20 –80 VDD VSS COMMON MODE REJECTION (dB) –90 10 DGND –1.0 –100 0 0 4096 8192 12288 16384 AMPLITUDE OF POWER SUPPLY FEEDTHROUGH (dB) 1k 10k 100k 1M 2M 1 10 100 1000 10000 OUTPUT CODE RIPPLE FREQUENCY (Hz) INPUT FREQUENCY (Hz) 1419 G07 1419 G08 1419 G09 1419fb 5
W U TYPICAL PERFORMANCE CHARACTERISTICS S/(N + D) vs Input Frequency Signal-to-Noise Ratio and Amplitude vs Input Frequency Distortion vs Input Frequency
90 90 0 80 –10 80 VIN = 0dB –20 70 V 70 IN = –20dB –30 60 60 –40 50 50 –50 40 –60 40 –70 30 30 VIN = –60dB –80 THD 20 20 SIGNAL-TO -NOISE RATIO (dB) –90 SIGNAL/(NOISE + DISTORTION) (dB) 10 2ND 10 –100 3RD 0 AMPLITUDE (dB BELOW THE FUNDAMENTAL) 0 – 110 1k 10k 100k 1M 2M 1k 10k 100k 1M 2M 1k 10k 100k 1M 2M INPUT FREQUENCY (Hz) INPUT FREQUENCY (Hz) INPUT FREQUENCY (Hz) 1419 G01 1419 G02 1419 G03
Spurious-Free Dynamic Range Differential Nonlinearity vs Input Frequency Intermodulation Distortion Plot vs Output Code
0 0 1.0 fSAMPLE = 800kHz –10 fIN1 = 95.8984375kHz –20 – 20 fIN2 = 104.1015625kHz 0.5 –30 – 40 – 40 –50 – 60 0 – 60 –70 AMPLITUDE (dB) – 80 DNL ERROR (LSBs) –80 – 0.5 – 90 –100 SPURIOUS-FREE DYNAMIC RANGE (dB) –100 –110 –120 –1.0 10k 100k 1M 2M 0 50 100 150 200 250 300 350 400 0 4096 8192 12288 16384 INPUT FREQUENCY (Hz) FREQUENCY (kHz) OUTPUT CODE 1419 G04 1419 G05 1419 G06
Integral Nonlinearity Power Supply Feedthrough Input Common Mode Rejection vs Output Code vs Ripple Frequency vs Input Frequency
1.0 0 80 –10 70 –20 0.5 60 –30 –40 50 0 –50 40 –60 30 INL ERROR (LSBs) –70 – 0.5 20 –80 VDD VSS COMMON MODE REJECTION (dB) –90 10 DGND –1.0 –100 0 0 4096 8192 12288 16384 AMPLITUDE OF POWER SUPPLY FEEDTHROUGH (dB) 1k 10k 100k 1M 2M 1 10 100 1000 10000 OUTPUT CODE RIPPLE FREQUENCY (Hz) INPUT FREQUENCY (Hz) 1419 G07 1419 G08 1419 G09 1419fb 5