THS10082_09 Datasheet, PDF (11/37 Pages) Texas Instruments – 10-BIT, TWO ANALOG INPUT, 8-MSPS, SIMULTANAEOUS SAMPLING

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THS10082
SLAS254B − MAY 2002 − REVISED NOVEMBER 2002
TYPICAL CHARACTERISTICS
SIGNAL-TO-NOISE
vs
INPUT FREQUENCY (DIFFERENTIAL)
65
60
55
AVDD = 5 V, DVDD = BVDD = 3 V,
50
fs = 8 MSPS, AIN = −1 dB FS
45
40
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
fi − Input Frequency − MHz
Figure 16
EFFECTIVE NUMBER OF BITS
vs
SAMPLING FREQUENCY (SINGLE-ENDED)
11.0
10.5
10.0
9.5
9.0
AVDD = 5 V, DVDD = BVDD = 3 V,
fIN = 500 kHz, AIN = −1 dB FS
8.5
8.0
7.5
7.0
6.5
6.0
0123456789
fs − Sampling Frequency − MHz
Figure 17
EFFECTIVE NUMBER OF BITS
vs
SAMPLING RATE (DIFFERENTIAL)
11.0
10.5
10.0
9.5
9.0
8.5
AVDD = 5 V, DVDD = BVDD = 3 V,
8.0
fIN = 500 kHz, AIN = −1 dB FS
7.5
7.0
6.5
6.0
0123456789
fs − Sampling Frequency − MHz
Figure 18
EFFECTIVE NUMBER OF BITS
vs
INPUT FREQUENCY (SINGLE-ENDED)
11.0
10.5
10.0
9.5
9.0
AVDD = 5 V, DVDD = BVDD = 3 V,
8.5
fs = 8 MSPS, AIN = −1 dB FS
8.0
7.5
7.0
6.5
6.0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
fi − Input Frequency − MHz
Figure 19
11