THS0842_14 Datasheet, PDF (12/31 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
SLAS246A – DECEMBER 1999 – REVISED AUGUST 2000
TYPICAL CHARACTERISTICS^†
2
1.5
1
0.5
0
–0.5
–1
–1.5
–2
0
DIFFERENTIAL NONLINEARITY
128
255
ADC CODE
Figure 6
2
1.5
1
0.5
0
–0.5
–1
–1.5
–2
0
INTEGRAL NONLINEARITY
128
255
ADC CODE
Figure 7
FAST FOURIER TRANSFORM
0
I 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 8
† _{Unless otherwise noted AVDD = DVDD = DRVDD = 3 V, fCLK = 80 MHz, analog input = –1 dB FS, TA = 25°C.}
12
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