ADS5444_08 Datasheet, PDF (13/29 Pages) Texas Instruments – 13-BIT 250 MSPS ANALOG-TO-DIGITAL CONVERTER

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ADS5444
SLWS162A – AUGUST 2005 – REVISED FEBRUARY 2006
TYPICAL CHARACTERISTICS (continued)
Two-Tone Intermodulation Distortion
(FFT For 300 MHz and 301 MHz Input Signals)
0
F_IN1 = 300 MHz, −7 dBFS
F_IN2 = 301 MHz, −7 dBFS
IMD3 = 83.3 dBFS
−20
Two-Tone Intermodulation Distortion
(FFT For 300 MHz and 301 MHz Input Signals)
0
F_IN1 = 300 MHz, −16 dBFS
F_IN2 = 301 MHz, −16 dBFS
IMD3 = 101.9 dBFS
−20
−40
−40
−60
−60
−80
−80
−100
−100
−120
0
10 20 30 40 50 60 70 80 90 100 110 120
Frequency − MHz
G013
Figure 14.
Input Bandwidth
1
0
−1
−2
−3
−4
−5
−6
−7
−8
−9 f_S = 250 MSPS
−10 ^{AIN = −1 dBFS}
1
10
100
f_IN − Input Frequency − MHz
Figure 16.
1k
G017
−120
0
10 20 30 40 50 60 70 80 90 100 110 120
Frequency − MHz
G014
Figure 15.
Differential Nonlinearity
0.4
f_S = 250 MSPS
f_IN = 10 MHz
0.2
0.0
−0.2
−0.4
50
1050 2050 3050 4050 5050 6050 7050 8050
Code
G018
Figure 17.
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