Datasheet LTC2270 (Analog Devices) - 9
| Manufacturer | Analog Devices |
| Description | 16-Bit, 20Msps Low Noise Dual ADC |
| Pages / Page | 36 / 9 — TYPICAL PERFORMANCE CHARACTERISTICS. 64k Point FFT, fIN = 1.4MHz,. … |
| File Format / Size | PDF / 593 Kb |
| Document Language | English |
TYPICAL PERFORMANCE CHARACTERISTICS. 64k Point FFT, fIN = 1.4MHz,. Integral Non-Linearity (INL)
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LTC2270
TYPICAL PERFORMANCE CHARACTERISTICS 64k Point FFT, fIN = 1.4MHz, Integral Non-Linearity (INL) Differential Non-Linearity (DNL) –1dBFS, 20Msps
2.0 1.0 0 1.5 0.8 –20 0.6 1.0 0.4 –40 0.5 0.2 –60 0.0 0.0 –80 –0.5 –0.2 INL ERROR (LSB) DNL ERROR (LSB) –0.4 AMPLITUDE (dBFS) –100 –1.0 –0.6 –1.5 –120 –0.8 –2.0 –1.0 –140 0 16384 32768 49152 65536 0 16384 32768 49152 65536 0 2 4 6 8 10 OUTPUT CODE OUTPUT CODE FREQUENCY (MHz) 2270 G01 2270 G02 2270 G03
64k Point FFT, fIN = 5.1MHz, 64k Point FFT, fIN = 10.1MHz, 64k Point FFT, fIN = 30.3MHz, –1dBFS, 20Msps –1dBFS, 20Msps –1dBFS, 20Msps
0 0 0 –20 –20 –20 –40 –40 –40 –60 –60 –60 –80 –80 –80 AMPLITUDE (dBFS) –100 AMPLITUDE (dBFS) –100 AMPLITUDE (dBFS) –100 –120 –120 –120 –140 –140 –140 0 2 4 6 8 10 0 2 4 6 8 10 0 2 4 6 8 10 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 2270 G04 2270 G05 2270 G06
64k Point FFT, fIN = 70.3MHz, 64k Point 2-Tone FFT, fIN = 14.8, –1dBFS, 20Msps 15.2MHz, –7dBFS, 20Msps Shorted Input Histogram
0 0 40000 –20 –20 35000 30000 –40 –40 25000 –60 –60 20000 –80 –80 COUNT 15000 AMPLITUDE (dBFS) AMPLITUDE (dBFS) –100 –100 10000 –120 –120 5000 –140 –140 0 0 2 4 6 8 10 0 2 4 6 8 10 N-6 N-5 N-4 N-3 N-2 N-1 N N+1 N+2 N+3 N+4 N+5 N+6 FREQUENCY (MHz) FREQUENCY (MHz) OUTPUT CODE 2270 G07 2270 G08 2270 G09 2270f 9
TYPICAL PERFORMANCE CHARACTERISTICS 64k Point FFT, fIN = 1.4MHz, Integral Non-Linearity (INL) Differential Non-Linearity (DNL) –1dBFS, 20Msps
2.0 1.0 0 1.5 0.8 –20 0.6 1.0 0.4 –40 0.5 0.2 –60 0.0 0.0 –80 –0.5 –0.2 INL ERROR (LSB) DNL ERROR (LSB) –0.4 AMPLITUDE (dBFS) –100 –1.0 –0.6 –1.5 –120 –0.8 –2.0 –1.0 –140 0 16384 32768 49152 65536 0 16384 32768 49152 65536 0 2 4 6 8 10 OUTPUT CODE OUTPUT CODE FREQUENCY (MHz) 2270 G01 2270 G02 2270 G03
64k Point FFT, fIN = 5.1MHz, 64k Point FFT, fIN = 10.1MHz, 64k Point FFT, fIN = 30.3MHz, –1dBFS, 20Msps –1dBFS, 20Msps –1dBFS, 20Msps
0 0 0 –20 –20 –20 –40 –40 –40 –60 –60 –60 –80 –80 –80 AMPLITUDE (dBFS) –100 AMPLITUDE (dBFS) –100 AMPLITUDE (dBFS) –100 –120 –120 –120 –140 –140 –140 0 2 4 6 8 10 0 2 4 6 8 10 0 2 4 6 8 10 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 2270 G04 2270 G05 2270 G06
64k Point FFT, fIN = 70.3MHz, 64k Point 2-Tone FFT, fIN = 14.8, –1dBFS, 20Msps 15.2MHz, –7dBFS, 20Msps Shorted Input Histogram
0 0 40000 –20 –20 35000 30000 –40 –40 25000 –60 –60 20000 –80 –80 COUNT 15000 AMPLITUDE (dBFS) AMPLITUDE (dBFS) –100 –100 10000 –120 –120 5000 –140 –140 0 0 2 4 6 8 10 0 2 4 6 8 10 N-6 N-5 N-4 N-3 N-2 N-1 N N+1 N+2 N+3 N+4 N+5 N+6 FREQUENCY (MHz) FREQUENCY (MHz) OUTPUT CODE 2270 G07 2270 G08 2270 G09 2270f 9
