DDC232 Datasheet, PDF (6/28 Pages) Burr-Brown (TI) – 32-Channel, Current-Input Analog-to-Digital Converter

DDC232
SBAS331C – AUGUST 2004 – REVISED SEPTEMBER 2006
TYPICAL CHARACTERISTICS
At T_A = 25°C, unless otherwise indicated.
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NOISE vs C_SENSOR
20
Low−Power Mode
18
or
16 ^{High−Speed Mode}
Range 1
14
12
Range 2
10
8
6
4
Range 7
2
0
0
10
20
30
40
50
C_SENSOR (pF)
Figure 1.
NOISE vs C_SENSOR
Noise (ppm of FSR, rms)
C_{SENSOR Range Range Range Range Range Range Range}
(pF)
1
2
3
4
5
6
7
0
9.3 6.3 5.5 5.2 5.0 4.9 4.8
22 12.4 8.0 6.4 5.8 5.4 5.1 5.0
47 15.0 9.7 7.6 6.5 6.0 5.6 5.3
6
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