Datasheet LTC2203, LTC2202 (Analog Devices) - 9

LTC2203/LTC2202
TYPICAL PERFORMANCE CHARACTERISTICS LTC2203: SFDR vs Input Level, LTC2203: 32K Point FFT, LTC2203: 32K Point FFT, fIN = 12.7MHz, PGA = 0, fIN = 12.4MHz, –10dBFS, PGA = 0 fIN = 12.4MHz, –20dBFS, PGA = 0 Dither “Off”
0 0 140 –10 –10 –20 –20 120 –30 –30 –40 –40 100 –50 –50 –60 –60 80 –70 –70 –80 –80 60 –90 –90 AMPLITUDE (dBFS) –100 AMPLITUDE (dBFS) –100 SFDR (dBc AND dBFS) 40 –110 –110 –120 –120 20 –130 –130 –140 –140 0 0 2 4 6 8 10 12 0 2 4 6 8 10 12 –70 –60 –50 –40 –30 –20 –10 0 FREQUENCY(MHz) FREQUENCY(MHz) INPUT LEVEL (dBFS) 22032 G16 22032 G17 22032 G18
LTC2203: SFDR vs Input Level, fIN = 12.7MHz, PGA = 0, LTC2203: 32K Point FFT, LTC2203: 32K Point FFT, Dither “On” fIN = 30MHz, –1dBFS, PGA = 1 fIN = 30MHz, –10dBFS, PGA = 1
140 0 0 –10 –10 120 –20 –20 –30 –30 100 –40 –40 –50 –50 80 –60 –60 –70 –70 60 –80 –80 –90 –90 AMPLITUDE (dBFS) AMPLITUDE (dBFS) SFDR (dBc AND dBFS) 40 –100 –100 –110 –110 20 –120 –120 –130 –130 0 –140 –140 –70 –60 –50 –40 –30 –20 –10 0 0 2 4 6 8 10 12 0 2 4 6 8 10 12 INPUT LEVEL (dBFS) FREQUENCY(MHz) FREQUENCY(MHz) 22032 G19 22032 G20 22032 G21
LTC2203: SFDR vs Input Level, LTC2203: SFDR vs Input Level, LTC2203: 32K Point FFT, fIN = 30.1MHz, PGA = 0, fIN = 30.1MHz, PGA = 0, fIN = 30MHz, –20dBFS, PGA = 1 Dither “Off” Dither “On”
0 140 140 –10 –20 120 120 –30 –40 100 100 –50 –60 80 80 –70 –80 60 60 –90 AMPLITUDE (dBFS) –100 SFDR (dBc AND dBFS) 40 SFDR (dBc AND dBFS) 40 –110 –120 20 20 –130 –140 0 0 0 2 4 6 8 10 12 –80 –70 –60 –50 –40 –30 –20 –10 0 –70 –60 –50 –40 –30 –20 –10 0 FREQUENCY(MHz) INPUT LEVEL (dBFS) INPUT LEVEL (dBFS) 22032 G22 22032 G23 22032 G24 22032fd 9