Datasheet LTC2273, LTC2272 (Analog Devices) - 8

LTC2273/LTC2272
TYPICAL PERFORMANCE CHARACTERISTICS VDD = 3.3V, OVDD = 1.5V, TA = 25°C, FS = 80Msps, unless otherwise noted. LTC2273: Integral Non-Linearity LTC2273: Differential Non- LTC2273: AC Grounded Input (INL) vs Output Code Linearity (DNL) vs Output Code Histogram
2.0 1.0 10000 1.5 0.8 9000 0.6 8000 1.0 0.4 7000 0.5 0.2 6000 0.0 0.0 5000 COUNT –0.5 –0.2 4000 INL ERROR (LSB) DNL ERROR (LSB) –0.4 3000 –1.0 –0.6 2000 –1.5 –0.8 1000 –2.0 –1.0 0 0 16384 32768 49152 65536 0 16384 32768 49152 65536 32769 32779 32789 32799 OUTPUT CODE OUTPUT CODE OUTPUT CODE 22732 G01 22732 G02 22732 G03
LTC2273: 128k Point FFT, LTC2273: 64k Point FFT, LTC2273: 64k Point FFT, fIN = 5.1MHz, –1dBFS, PGA = 0 fIN = 14.8MHz, –1dBFS, PGA = 0 fIN = 14.8MHz, –10dBFS, PGA = 0
0 0 0 –10 –10 –10 –20 –20 –20 –30 –30 –30 –40 –40 –40 –50 –50 –50 (dBFS) (dBFS) (dBFS) –60 –60 –60 –70 –70 –70 –80 –80 –80 AMPLITUDE –90 AMPLITUDE –90 AMPLITUDE –90 –100 –100 –100 –110 –110 –110 –120 –120 –120 –130 –130 –130 0 10 20 30 40 0 10 20 30 40 0 10 20 30 40 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 22732 G04 22732 G05 22732 G06
LTC2273: SFDR vs Input Level, LTC2273: SFDR vs Input Level, LTC2273: 64k Point 2-Tone FFT, fIN = 15MHz, PGA = 0, fIN = 15MHz, PGA = 0, fIN = 14.01MHz and 15.81MHz, Dither “Off” Dither “On” –7dBFS, PGA = 0
140 140 0 –10 130 130 –20 120 120 –30 ) 110 ) 110 FS FS –40 B B d 100 d 100 –50 (dBFS) 90 90 –60 AND AND Bc 80 Bc 80 –70 (d (d –80 70 70 DR DR AMPLITUDE –90 SF 60 SF 60 –100 50 50 –110 40 40 –120 30 30 –130 –80 –70 –60 –50 –40 –30 –20 –10 0 –80 –70 –60 –50 –40 –30 –20 –10 0 0 10 20 30 40 INPUT LEVEL (dBFS) INPUT LEVEL (dBFS) FREQUENCY (MHz) 22732 G07 22732 G08 22732 G09 22732fa 8