DDC112 Datasheet, PDF (5/24 Pages) Burr-Brown (TI) – Dual Current Input 20-Bit ANALOG-TO-DIGITAL CONVERTER

TYPICAL PERFORMANCE CURVES (Cont.)
At T_A = +25°C, characterization done with Range 5 (250pC), T_INT = 500µs, V_REF = +4.096, AV_DD = DV_DD = +5V, and CLK = 10MHz, unless otherwise noted.
OFFSET DRIFT vs TEMPERATURE
100
All Ranges
50
0
–50
–100
25
35
45
55
65
Temperature (°C)
75
85
INPUT V_OS vs RANGE
36
35
34
33
32
31
30
1
2
3
4
5
6
7
Range
ANALOG SUPPLY CURRENT vs TEMPERATURE
18
16
14
12
10
8
6
4
2
0
–40
–15
10
35
60
85
Temperature (°C)
DIGITAL SUPPLY CURRENT vs TEMPERATURE
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
–40
–15
10
35
60
85
Temperature (°C)
CROSSTALK vs FREQUENCY
0
–20
Separation Measured
–40
Between Inputs 1 and 2
–60
–80
–100
–120
–140
0
100
200
300
400
500
Frequency (Hz)
POWER SUPPLY REJECTION RATIO vs FREQUENCY
600
500
400
300
200
100
0
0
25
50
75
100
Frequency (KHz)
®
5
DDC112