Datasheet LTC2142-14, LTC2141-14, LTC2140-14 (Analog Devices) - 10

LTC2142-14/ LTC2141-14/LTC2140-14
TYPICAL PERFORMANCE CHARACTERISTICS LTC2142-14: 2nd, 3rd Harmonic LTC2142-14: 2nd, 3rd Harmonic vs Input Frequency, –1dBFS, vs Input Frequency, –1dBFS, LTC2142-14: SFDR vs Input Level, 65Msps, 2V Range 65Msps, 1V Range fIN = 70MHz, 65Msps, 2V Range
100 100 130 120 95 95 dBFS 110 90 90 3RD 100 3RD 90 85 85 80 2ND 70 80 80 dBc 2ND 60 75 75 SFDR (dBc AND dBFS) 50 2ND AND 3RD HARMONIC (dBFS) 40 70 2ND AND 3RD HARMONIC (dBFS) 70 30 65 65 20 0 50 100 150 200 250 300 0 50 100 150 200 250 300 –80 –70 –60 –50 –40 –30 –20 –10 0 INPUT FREQUENCY (MHz) INPUT FREQUENCY (MHz) INPUT LEVEL (dBFS) 21421014 G12 21421014 G10 21421014 G11
LTC2142-14: IVDD vs Sample LTC2142-14: IOVDD vs Sample Rate, 5MHz, –1dBFS, Sine Wave Rate, 5MHz, –1dBFS, Sine Wave LTC2142-14: SNR vs SENSE, Input on Each Channel Input on Each Channel fIN = 5MHz, –1dBFS
60 70 74 3.5mA LVDS 60 73 55 72 50 LVDS OUTPUTS 50 71 40 (mA) (mA) 1.75mA LVDS 70 CMOS OUTPUTS I VDD 30 45 I OVDD SNR (dBFS) 69 20 68 40 10 67 1.8V CMOS 35 0 66 0 10 20 30 40 50 60 0 10 20 30 40 50 60 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 SAMPLE RATE (Msps) SAMPLE RATE (Msps) SENSE PIN (V) 21421014 G13 21421014 G14 21421014 G15
LTC2141-14: Integral LTC2141-14: Differential LTC2141-14: 64k Point FFT, Nonlinearity (INL) Nonlinearity (DNL) fIN = 5MHz, –1dBFS, 40Msps
2.0 1.0 0 –10 1.5 0.8 –20 0.6 1.0 –30 0.4 –40 0.5 0.2 –50 0 0 –60 –70 –0.5 –0.2 INL ERROR (LSB) DNL ERROR (LSB) –0.4 AMPLITUDE (dBFS) –80 –1.0 –90 –0.6 –100 –1.5 –0.8 –110 –2.0 –1.0 –120 0 4096 8192 12288 16384 0 4096 8192 12288 16384 0 5 10 15 20 OUTPUT CODE OUTPUT CODE FREQUENCY (MHz) 21421014 G16 21421014 G17 21421014 G18 21421014fa 10