Datasheet LTC2203, LTC2202 (Analog Devices) - 8

LTC2203/LTC2202
TYPICAL PERFORMANCE CHARACTERISTICS LTC2203: 128K Point FFT, LTC2203: 128K Point FFT, LTC2203: 128K Point FFT, fIN = 5.1MHz, –20dBFS, PGA = 0, fIN = 5.1MHz, –1dBFS, PGA = 0 fIN = 5.1MHz, –10dBFS, PGA = 0 Internal Dither “Off”
0 0 0 –10 –10 –10 –20 –20 –20 –30 –30 –30 –40 –40 –40 –50 –50 –50 –60 –60 –60 –70 –70 –70 –80 –80 –80 –90 –90 –90 AMPLITUDE (dBFS) –100 AMPLITUDE (dBFS) –100 AMPLITUDE (dBFS) –100 –110 –110 –110 –120 –120 –120 –130 –130 –130 –140 –140 –140 0 2 4 6 8 10 12 0 2 4 6 8 10 12 0 2 4 6 8 10 12 FREQUENCY(MHz) FREQUENCY(MHz) FREQUENCY(MHz) 22032 GO7 22032 GO8 22032 GO9
LTC2203: 128K Point FFT, LTC2203: 32K Point 2-Tone FFT, LTC2203: 32K Point 2-Tone FFT, fIN = 5.1MHz, –20dBFS, PGA = 0, fIN = 4.9MHz and 30.1MHz, fIN = 4.9MHz and 30.1MHz, Internal Dither “On” –7dBFS, PGA = 0 –15dBFS, PGA = 0
0 0 0 –10 –10 –10 –20 –20 –20 –30 –30 –30 –40 –40 –40 –50 –50 –50 –60 –60 –60 –70 –70 –70 –80 –80 –80 –90 –90 –90 AMPLITUDE (dBFS) –100 AMPLITUDE (dBFS) –100 AMPLITUDE (dBFS) –100 –110 –110 –110 –120 –120 –120 –130 –130 –130 –140 –140 –140 0 2 4 6 8 10 12 0 2 4 6 8 10 12 0 2 4 6 8 10 12 FREQUENCY(MHz) FREQUENCY(MHz) FREQUENCY(MHz) 22032 G10 22032 G11 22032 G12
LTC2203: SFDR vs Input Level, LTC2203: SFDR vs Input Level, LTC2203: 32K Point FFT, fIN = 5MHz, PGA = 0, Dither “Off” fIN = 5MHz, PGA = 0, Dither “On” fIN = 12.4MHz, –1dBFS, PGA = 0
140 140 0 –10 120 120 –20 –30 100 100 –40 –50 80 80 –60 –70 60 60 –80 –90 AMPLITUDE (dBFS) SFDR (dBc AND dBFS) 40 SFDR (dBc AND dBFS) 40 –100 –110 20 20 –120 –130 0 0 –140 –70 –60 –50 –40 –30 –20 –10 0 –70 –60 –50 –40 –30 –20 –10 0 0 2 4 6 8 10 12 INPUT LEVEL (dBFS) INPUT LEVEL (dBFS) FREQUENCY(MHz) 22032 G13 22032 G14 22032 G15 22032fd 8