Datasheet LTC2238, LTC2237, LTC2236 (Analog Devices) - 9

LTC2238/LTC2237/LTC2236
W U TYPICAL PERFOR A CE CHARACTERISTICS LTC2237: IOVDD vs Sample Rate, LTC2237: SFDR vs Input Level, LTC2237: IVDD vs Sample Rate, 5MHz Sine Wave Input, –1dB, f 5MHz Sine Wave Input, –1dB IN = 5MHz, 2V Range, 40Msps OVDD = 1.8V
120 50 4 110 100 90 45 3 dBFS 80 70 2V RANGE dBc 60 (mA) 40 (mA) 2 80dBc SFDR 50 I VDD 1V RANGE REFERENCE LINE I OVDD 40 SFDR (dBc AND dBFS) 30 35 1 20 10 0 30 0 –60 –50 –40 –30 –20 –10 0 0 10 20 30 40 50 0 10 20 30 40 50 INPUT LEVEL (dBFS) SAMPLE RATE (Msps) SAMPLE RATE (Msps) 223876 G28 223876 G29 223876 G30
LTC2236: 8192 Point FFT, LTC2236: Typical INL, LTC2236: Typical DNL, fIN = 5MHz, –1dB, 2V Range, 2V Range, 25Msps 2V Range, 25Msps 25Msps
1.00 1.00 0 –10 0.75 0.75 –20 0.50 0.50 –30 –40 0.25 0.25 –50 0 0 –60 –70 –0.25 –0.25 INL ERROR (LSB) DNL ERROR (LSB) AMPLITUDE (dB) –80 –0.50 –0.50 –90 –100 –0.75 –0.75 –110 –1.00 –1.00 –120 0 256 512 768 1024 0 256 512 768 1024 0 2 4 6 8 10 12 CODE CODE FREQUENCY (MHz) 223876 G31 223876 G32 223876 G33
LTC2236: 8192 Point FFT, LTC2236: 8192 Point FFT, LTC2236: 8192 Point FFT, fIN = 30MHz, –1dB, 2V Range, fIN = 70MHz, –1dB, 2V Range, fIN = 140MHz, –1dB, 2V Range, 25Msps 25Msps 25Msps
0 0 0 –10 –10 –10 –20 –20 –20 –30 –30 –30 –40 –40 –40 –50 –50 –50 –60 –60 –60 –70 –70 –70 AMPLITUDE (dB) –80 AMPLITUDE (dB) –80 AMPLITUDE (dB) –80 –90 –90 –90 –100 –100 –100 –110 –110 –110 –120 –120 –120 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) 223876 G34 223876 G35 223876 G36 223876fa 9