Datasheet LTC1412 (Analog Devices) - 5
| Manufacturer | Analog Devices |
| Description | 12-Bit, 3Msps, Sampling A/D Converter |
| Pages / Page | 16 / 5 — TYPICAL PERFOR A CE CHARACTERISTICS. S/(N + D) and Effective Number of. … |
| File Format / Size | PDF / 347 Kb |
| Document Language | English |
TYPICAL PERFOR A CE CHARACTERISTICS. S/(N + D) and Effective Number of. Signal-to-Noise Ratio. Bits vs Input Frequency
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LTC1412
W U TYPICAL PERFOR A CE CHARACTERISTICS S/(N + D) and Effective Number of Signal-to-Noise Ratio Bits vs Input Frequency vs Input Frequency Distortion vs Input Frequency
12 74 80 0 68 70 10 62 – 20 56 60 8 S/(N + D) (dB) – 40 50 6 40 – 60 30 4 DISTORTION (dB) – 80 20 THD EFFECTIVE NUMBER OF BITS SIGNAL-TO-NOISE RATIO (dB) 2 –100 3RD 10 2ND 0 0 –120 1k 10k 100k 1M 10M 10k 100k 1M 10M 10 100 1k 10k INPUT FREQUENCY (Hz) INPUT FREQUENCY (Hz) INPUT FREQUENCY (Hz) 1412 G01 1412 G02 1412 G03
Spurious-Free Dynamic Range Nonaveraged, 4096 Point FFT, Nonaveraged, 4096 Point FFT, vs Input Frequency Input Frequency = 100kHz Input Frequency = 1.45kHz
0 0 0 fSMPL = 3Msps fSMPL = 3Msps –10 fIN = 97.412kHz fIN = 1.419kHz –20 SFDR = 93.3dB –20 SFDR = 83dB – 20 SINAD = 73dB SINAD = 72.5dB – 30 SNR = 73db – 40 – 40 – 40 – 50 – 60 – 60 – 60 AMPLITUDE (dB) – 80 AMPLITUDE (dB) – 80 – 70 – 80 –100 –100 SPURIOUS-FREE DYNAMIC RANGE (dB) – 90 –100 –120 –120 10K 100K 1M 10M 0 200 400 600 800 1000 1200 1400 0 200 400 600 800 1000 1200 1400 FREQUENCY (Hz) FREQUENCY (kHz) FREQUENCY (kHz) 1412 G04 1412 F02a 1412 F02B
Differential Nonlinearity Integral Nonlinearity Intermodulation Distortion Plot vs Output Code vs Output Code
0 1.0 1.0 fSMPL = 3MHz –10 fIN1 = 85.693359kHz –20 fIN2 = 114.990234kHz 0.5 0.5 – 30 – 40 – 50 0 0 – 60 DNL (LSBs) INL (LSBs) AMPLITUDE (dB) – 70 – 80 – 0.5 – 0.5 – 90 –100 –110 –1.0 –1.0 0 200 400 600 800 1000 1200 1400 0 512 1024 1536 2048 2560 3072 3584 4096 0 512 1024 1536 2048 2560 3072 3584 4096 FREQUENCY (kHz) OUTPUT CODE OUTPUT CODE 1412 G05 1412 G06 1412 G07 5
W U TYPICAL PERFOR A CE CHARACTERISTICS S/(N + D) and Effective Number of Signal-to-Noise Ratio Bits vs Input Frequency vs Input Frequency Distortion vs Input Frequency
12 74 80 0 68 70 10 62 – 20 56 60 8 S/(N + D) (dB) – 40 50 6 40 – 60 30 4 DISTORTION (dB) – 80 20 THD EFFECTIVE NUMBER OF BITS SIGNAL-TO-NOISE RATIO (dB) 2 –100 3RD 10 2ND 0 0 –120 1k 10k 100k 1M 10M 10k 100k 1M 10M 10 100 1k 10k INPUT FREQUENCY (Hz) INPUT FREQUENCY (Hz) INPUT FREQUENCY (Hz) 1412 G01 1412 G02 1412 G03
Spurious-Free Dynamic Range Nonaveraged, 4096 Point FFT, Nonaveraged, 4096 Point FFT, vs Input Frequency Input Frequency = 100kHz Input Frequency = 1.45kHz
0 0 0 fSMPL = 3Msps fSMPL = 3Msps –10 fIN = 97.412kHz fIN = 1.419kHz –20 SFDR = 93.3dB –20 SFDR = 83dB – 20 SINAD = 73dB SINAD = 72.5dB – 30 SNR = 73db – 40 – 40 – 40 – 50 – 60 – 60 – 60 AMPLITUDE (dB) – 80 AMPLITUDE (dB) – 80 – 70 – 80 –100 –100 SPURIOUS-FREE DYNAMIC RANGE (dB) – 90 –100 –120 –120 10K 100K 1M 10M 0 200 400 600 800 1000 1200 1400 0 200 400 600 800 1000 1200 1400 FREQUENCY (Hz) FREQUENCY (kHz) FREQUENCY (kHz) 1412 G04 1412 F02a 1412 F02B
Differential Nonlinearity Integral Nonlinearity Intermodulation Distortion Plot vs Output Code vs Output Code
0 1.0 1.0 fSMPL = 3MHz –10 fIN1 = 85.693359kHz –20 fIN2 = 114.990234kHz 0.5 0.5 – 30 – 40 – 50 0 0 – 60 DNL (LSBs) INL (LSBs) AMPLITUDE (dB) – 70 – 80 – 0.5 – 0.5 – 90 –100 –110 –1.0 –1.0 0 200 400 600 800 1000 1200 1400 0 512 1024 1536 2048 2560 3072 3584 4096 0 512 1024 1536 2048 2560 3072 3584 4096 FREQUENCY (kHz) OUTPUT CODE OUTPUT CODE 1412 G05 1412 G06 1412 G07 5
