Datasheet LTC2246H (Analog Devices) - 6
| Manufacturer | Analog Devices |
| Description | 14-Bit, 25Msps 125°C ADC In LQFP |
| Pages / Page | 18 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS. 8192 Point 2-Tone FFT, fIN = 10.9MHz … |
| File Format / Size | PDF / 205 Kb |
| Document Language | English |
TYPICAL PERFORMANCE CHARACTERISTICS. 8192 Point 2-Tone FFT, fIN = 10.9MHz and 13.8MHz,. Grounded Input Histogram,
Model Line for this Datasheet
Text Version of Document
LTC2246H
TYPICAL PERFORMANCE CHARACTERISTICS 8192 Point 2-Tone FFT, fIN = 10.9MHz and 13.8MHz, Grounded Input Histogram, SNR vs Input Frequency, –1dB, –1dB, 2V Range, 25Msps 25Msps 2V Range, 25Msps
0 25000 75 –10 22016 –20 20000 18803 74 –30 –40 –50 15000 13373 73 –60 COUNT –70 10000 SNR (dBFS) 72 AMPLITUDE (dB) –80 6919 –90 5000 –100 71 3227 –110 853 278 43 –120 0 70 0 2 4 6 8 10 12 8179 8180 8181 8182 8183 8184 8185 8186 0 50 100 150 200 FREQUENCY (MHz) 2246H G07 CODE 2246H G08 INPUT FREQUENCY (MHz) 2246H G09
SFDR vs Input Frequency, –1dB, SNR and SFDR vs Sample Rate, SNR vs Input Level, fIN = 5MHz, 2V Range, 25Msps 2V Range, fIN = 5MHz, –1dB 2V Range, –1dB
100 110 80 dBFS 95 70 100 60 90 SFDR 50 85 90 dBc 40 80 SFDR (dBFS) 80 30 SNR 75 SNR AND SFDR (dBFS) SNR (dBc AND dBFS) 20 70 70 10 65 60 0 0 50 100 150 200 0 10 20 30 40 50 –60 –50 –40 –30 –20 –10 0 INPUT FREQUENCY (MHz) 2246H G10 SAMPLE RATE (Msps) INPUT LEVEL (dBFS) 2246H G11 2246H G12
SFDR vs Input Level, fIN = 5MHz, IVDD vs Sample Rate, 5MHz Sine IOVDD vs Sample Rate, 5MHz Sine 2V Range, 25Msps Wave Input, –1dB Wave Input, –1dB, OVDD = 1.8V
120 35 3 110 dBFS 100 30 90 2 80 dBc 2V RANGE 70 (mA) 25 (mA) 60 90dBc SFDR I VDD 1V RANGE I OVDD REFERENCE LINE 1 SFDR (dBc AND dBFS) 50 20 40 30 20 15 0 –60 –50 –40 –30 –20 –10 0 0 5 10 15 20 25 30 35 0 5 10 15 20 25 30 35 INPUT LEVEL (dBFS) 2246H G13 SAMPLE RATE (Msps) SAMPLE RATE (Msps) 2246H G14 2246H G15 2246hfb 6
TYPICAL PERFORMANCE CHARACTERISTICS 8192 Point 2-Tone FFT, fIN = 10.9MHz and 13.8MHz, Grounded Input Histogram, SNR vs Input Frequency, –1dB, –1dB, 2V Range, 25Msps 25Msps 2V Range, 25Msps
0 25000 75 –10 22016 –20 20000 18803 74 –30 –40 –50 15000 13373 73 –60 COUNT –70 10000 SNR (dBFS) 72 AMPLITUDE (dB) –80 6919 –90 5000 –100 71 3227 –110 853 278 43 –120 0 70 0 2 4 6 8 10 12 8179 8180 8181 8182 8183 8184 8185 8186 0 50 100 150 200 FREQUENCY (MHz) 2246H G07 CODE 2246H G08 INPUT FREQUENCY (MHz) 2246H G09
SFDR vs Input Frequency, –1dB, SNR and SFDR vs Sample Rate, SNR vs Input Level, fIN = 5MHz, 2V Range, 25Msps 2V Range, fIN = 5MHz, –1dB 2V Range, –1dB
100 110 80 dBFS 95 70 100 60 90 SFDR 50 85 90 dBc 40 80 SFDR (dBFS) 80 30 SNR 75 SNR AND SFDR (dBFS) SNR (dBc AND dBFS) 20 70 70 10 65 60 0 0 50 100 150 200 0 10 20 30 40 50 –60 –50 –40 –30 –20 –10 0 INPUT FREQUENCY (MHz) 2246H G10 SAMPLE RATE (Msps) INPUT LEVEL (dBFS) 2246H G11 2246H G12
SFDR vs Input Level, fIN = 5MHz, IVDD vs Sample Rate, 5MHz Sine IOVDD vs Sample Rate, 5MHz Sine 2V Range, 25Msps Wave Input, –1dB Wave Input, –1dB, OVDD = 1.8V
120 35 3 110 dBFS 100 30 90 2 80 dBc 2V RANGE 70 (mA) 25 (mA) 60 90dBc SFDR I VDD 1V RANGE I OVDD REFERENCE LINE 1 SFDR (dBc AND dBFS) 50 20 40 30 20 15 0 –60 –50 –40 –30 –20 –10 0 0 5 10 15 20 25 30 35 0 5 10 15 20 25 30 35 INPUT LEVEL (dBFS) 2246H G13 SAMPLE RATE (Msps) SAMPLE RATE (Msps) 2246H G14 2246H G15 2246hfb 6
