Datasheet LTC2205, LTC2204 (Analog Devices) - 10

LTC2205/LTC2204
TYPICAL PERFORMANCE CHARACTERISTICS LTC2205: 64K Point FFT, LTC2205: 64K Point FFT, LTC2205: SFDR vs Input Level, fIN1 = 14.9MHz, –7dBFS, fIN1 = 64.1MHz, –7dBFS, fIN = 5.1MHz, fIN2 = 20.1MHz, –7dBFS, PGA = 0 fIN2 = 20.1MHz, –7dBFS, PGA = 0 DITH = 0, RAND = 1, PGA = 0
0 0 130 120 –20 –20 110 –40 –40 100 90 –60 –60 80 70 –80 –80 60 AMPLITUDE (dBFS) AMPLITUDE (dBFS) –100 –100 SFDR (dBFS AND dBc) 50 40 –120 –120 30 –140 –140 20 0 5 10 15 20 25 30 0 5 10 15 20 25 30 –80 –70 –60 –50 –40 –30 –20 –10 0 FREQUENCY (MHz) FREQUENCY (MHz) INPUT LEVEL (dBFS) 22054 G28 22054 G29 22054 G30
LTC2205: SFDR vs Input Level, LTC2205: SFDR vs Input Level, LTC2205: SFDR vs Input Level, fIN = 5.1MHz, fIN = 15.1MHz, fIN = 15.1MHz, DITH = 1, RAND = 1, PGA = 0 DITH = 0, RAND = 1, PGA = 0 DITH = 1, RAND = 1, PGA = 0
130 130 130 120 120 120 110 110 110 100 100 100 90 90 90 80 80 80 70 70 70 60 60 60 SFDR (dBFS AND dBc) 50 SFDR (dBFS AND dBc) 50 SFDR (dBFS AND dBc) 50 40 40 40 30 30 30 20 20 20 –80 –70 –60 –50 –40 –30 –20 –10 0 –80 –70 –60 –50 –40 –30 –20 –10 0 –80 –70 –60 –50 –40 –30 –20 –10 0 INPUT LEVEL (dBFS) INPUT LEVEL (dBFS) INPUT LEVEL (dBFS) 22054 G31 22054 G32 22054 G33
LTC2205: SFDR vs Input Level, LTC2205: SFDR vs Input Level, LTC2205: SFDR vs Input Level, fIN = 70.1MHz, fIN = 70.1MHz, fIN = 140.1MHz, DITH = 0, RAND = 1, PGA = 0 DITH = 1, RAND = 1, PGA = 0 DITH = 0, RAND = 1, PGA = 0
130 130 130 120 120 120 110 110 110 100 100 100 90 90 90 80 80 80 70 70 70 60 60 60 SFDR (dBFS AND dBc) 50 SFDR (dBFS AND dBc) 50 SFDR (dBFS AND dBc) 50 40 40 40 30 30 30 20 20 20 –80 –70 –60 –50 –40 –30 –20 –10 0 –80 –70 –60 –50 –40 –30 –20 –10 0 –80 –70 –60 –50 –40 –30 –20 –10 0 INPUT LEVEL (dBFS) INPUT LEVEL (dBFS) INPUT LEVEL (dBFS) 22054 G34 22054 G35 22054 G36 22054fc 10