THS0842 Datasheet, PDF (13/29 Pages) Texas Instruments – DUAL-INPUT, 8-BIT, 40 MSPS LOW-POWER ANALOG-TO-DIGITAL CONVERTER WITH SINGLE OR DUAL PARALLEL BUS OUTPUT

THS0842
DUAL-INPUT, 8-BIT, 40 MSPS LOW-POWER ANALOG-TO-DIGITAL CONVERTER
WITH SINGLE OR DUAL PARALLEL BUS OUTPUT
SLAS246 – DECEMBER 1999
TYPICAL CHARACTERISTICS^†
FAST FOURIER TRANSFORM
0
Q Input Channel
–20
AIN = 1.1 MHz
–40
–60
–80
–100
–120
–140
0
2
4
6
8
10
12
14
16
18
20
f – Frequency – MHz
Figure 9
0
I Input Channel
–20 _{AIN = 15.1 MHz}
–40
–60
–80
–100
–120
–140
0
2
4
FAST FOURIER TRANSFORM
6
8
10
12
14
16
18
20
f – Frequency – MHz
Figure 10
0
Q Input Channel
–20 _{AIN = 15.1 MHz}
–40
–60
FAST FOURIER TRANSFORM
–80
–100
–120
–140
0
2
4
6
8
10
12
14
16
18
20
f – Frequency – MHz
Figure 11
† _{Unless otherwise noted AVDD = DVDD = DRVDD = 3 V, fCLK = 80 MHz, Analog Input = –1 dB FS, TA = 25°C.}
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