THS1209_14 Datasheet, PDF (11/34 Pages) Texas Instruments – 12-BIT, 2 ANALOG INPUT, 8 MSPS, SIMULTANEOUS SAMPLING ANALOG-TO-DIGITAL CONVERTER

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THS1209
SLAS288B – JULY 2000 – REVISED DECEMBER 2002
TYPICAL CHARACTERISTICS
EFFECTIVE NUMBER OF BITS
vs
SAMPLING FREQUENCY (SINGLE-ENDED)
12
AVDD = 5 V, DVDD = BVDD = 3 V,
fin = 500 kHz, AIN = –1 dBFS
11
10
9
8
7
6
0123456789
fs – Sampling Frequency – MHz
Figure 17
EFFECTIVE NUMBER OF BITS
vs
INPUT FREQUENCY (SINGLE-ENDED)
12
AVDD = 5 V, DVDD = BVDD = 3 V,
fs = 8 MSPS, AIN = –1 dBFS
11
10
9
8
7
6
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
fi – Input Frequency – MHz
Figure 19
EFFECTIVE NUMBER OF BITS
vs
SAMPLING FREQUENCY (DIFFERENTIAL)
12
11
10
9
8
7 ^{AVDD = 5 V, DVDD = BVDD = 3 V,}
fin = 500 kHz, AIN = –1 dBFS
6
0123456789
fs – Sampling Frequency – MHz
Figure 18
EFFECTIVE NUMBER OF BITS
vs
INPUT FREQUENCY (DIFFERENTIAL)
12
AVDD = 5 V, DVDD = BVDD = 3 V,
fs = 8 MSPS, AIN = –1 dBFS
11
10
9
8
7
6
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
fi – Input Frequency – MHz
Figure 20
11