THS12082 Datasheet, PDF (33/38 Pages) Texas Instruments – 12-BIT, 8 MSPS, SIMULTANEOUS SAMPLING ANALOG-TO-DIGITAL CONVERTERS

THS12082
12-BIT, 8 MSPS, SIMULTANEOUS SAMPLING ANALOG-TO-DIGITAL CONVERTERS
TYPICAL CHARACTERISTICS
SLAS271 – MAY 2000
80.00
TOTAL HARMONIC DISTORTION
vs
INPUT FREQUENCY (DIFFERENTIAL)
75.00
70.00
65.00
60.00
55.00
50.00
45.00
AVDD = 5 V, DVDD = BVDD = 3 V,
fs = 8 MSPS, AIN = –1 dBFS
40.00
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
fi – Input Frequency – MHz
Figure 31
100.00
95.00
90.00
85.00
80.00
75.00
70.00
65.00
60.00
55.00
50.00
45.00
40.00
0
SPURIOUS FREE DYNAMIC RANGE
vs
INPUT FREQUENCY (DIFFERENTIAL)
AVDD = 5 V, DVDD = BVDD = 3 V,
fs = 8 MSPS, AIN = –1 dBFS
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
fi – Input Frequency – MHz
Figure 33
80.00
75.00
SIGNAL-TO-NOISE AND DISTORTION
vs
INPUT FREQUENCY (DIFFERENTIAL)
AVDD = 5 V, DVDD = BVDD = 3 V,
fs = 8 MSPS, AIN = –1 dBFS
70.00
65.00
60.00
55.00
50.00
45.00
40.00
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
fi – Input Frequency – MHz
Figure 32
80.00
75.00
SIGNAL-TO-NOISE
vs
INPUT FREQUENCY (DIFFERENTIAL)
AVDD = 5 V, DVDD = BVDD = 3 V,
fs = 8 MSPS, AIN = –1 dBFS
70.00
65.00
60.00
55.00
50.00
45.00
40.00
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
fi – Input Frequency – MHz
Figure 34
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33