Datasheet LTC2207, LTC2207 (Analog Devices) - 9

LTC2207/LTC2206
TYPICAL PERFORMANCE CHARACTERISTICS LTC2207: SFDR vs Input Level, LTC2207: SFDR vs Input Level, LTC2207: 64K Point FFT, fIN = 140MHz, PGA = 1, fIN = 140MHz, PGA = 1, fIN = 170.2MHz, –1dBFS, Dither “Off”, 105Msps Dither “On”, 105Msps PGA = 0, 105Msps
140 140 0 130 130 –10 120 120 –20 110 110 –30 100 100 –40 90 90 –50 80 80 –60 70 70 –70 60 60 50 50 –80 AMPLITUDE (dBFS) SFDR (dBc AND dBFS) 40 SFDR (dBc AND dBFS) 40 –90 30 30 –100 20 20 –110 10 10 –120 0 0 –130 –70 –60 –50 –40 –30 –20 –10 0 –70 –60 –50 –40 –30 –20 –10 0 0 10 20 30 40 50 INPUT LEVEL (dBFS) INPUT LEVEL (dBFS) FREQUENCY (MHz) 22076 G16 22076 G17 22076 G18
LTC2207: 64K Point FFT, fIN = 250.2MHz, –1dBFS, LTC2207: SFDR (HD2 and HD3) vs LTC2207: SNR vs Input Frequency, PGA = 0, 105Msps Input Frequency, 105Msps 105Msps
0 105 78 –10 100 77 –20 –30 95 76 –40 –50 90 75 PGA = 0 –60 85 74 –70 PGA = 1 PGA = 1 –80 SFDR (dBc) 80 SNR (dBFS) 73 PGA = 0 AMPLITUDE (dBFS) –90 –100 75 72 –110 70 71 –120 –130 65 70 0 10 20 30 40 50 0 100 200 300 400 500 0 100 200 300 400 500 FREQUENCY (MHz) INPUT FREQUENCY (MHz) INPUT FREQUENCY (MHz) 22076 G19 22076 G20 22076 G21
LTC2207: SNR and SFDR vs LTC2207: 5MHz SNR and SFDR vs Supply Voltage (VDD), Sample Rate, 105Msps fIN = 5MHz, 105Msps
105 110 UPPER LIMIT 100 105 SFDR 100 95 SFDR 95 90 LIMIT 90 85 LOWER LIMIT 85 80 SNR AND SFDR (dBFS) SNR SNR AND SFDR (dBFS) 80 SNR 75 75 70 70 0 25 50 75 100 125 150 175 2.8 3 3.2 3.4 SAMPLE RATE (Msps) SUPPLY VOLTAGE (V) 22076 G22 22076 G23 22076fc 9