Datasheet

DDC112
7
SBAS085B
www.ti.com
TYPICAL CHARACTERISTICS (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.
600
POWER-SUPPLY REJECTION RATIO vs FREQUENCY
0 10025 7550
Frequency (KHz)
PSRR (ppm of FSR/V)
0
100
200
300
400
500
INPUT V
OS
vs RANGE
36
35
34
33
32
31
30
1234567
Range
V
OS
(µV)
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)
Current (mA)
ANALOG SUPPLY CURRENT vs TEMPERATURE
18
16
14
12
10
8
6
4
2
0
–40 –15 10 35 60 85
Temperature (°C)
Current (mA)
OFFSET DRIFT vs TEMPERATURE
25 35 45 55 65 75 85
Temperature (°C)
Offset Drift (ppm of FSR)
100
50
0
–50
–100
All Ranges
CROSSTALK vs FREQUENCY
0
–20
–40
–60
–80
–100
–120
–140
0 100 200 300 400 500
Frequency (Hz)
Separation (dB)
Separation Measured
Between Inputs 1 and 2