|
DDC114 Datasheet, PDF (7/30 Pages) Burr-Brown (TI) – Quad Current Input 20-Bit ANALOG-TO-DIGITAL CONVERTER | |||
|
◁ |
www.ti.com
DDC114
SBAS255A â JUNE 2004 â REVISED NOVEMBER 2004
TYPICAL CHARACTERISTICS (continued)
At TA = +25°C, characterization done with Range 5 (250pC), AVDD = +5V, DVDD = 3V, VREF = +4.096V, Low Power Mode: TINT = 400µs and CLK = 4MHz, unless
otherwise noted.
10
All Ranges
IB vs TEMPERATURE
1
0.1
0.01
25
35
45
55
65
75
85
Temperature (_ C)
OFFSET DRIFT vs TEMPERATURE
100
50
0
â50
â100
25
35
45
55
65
Temperature (_ C)
75
85
ANALOG SUPPLY CURRENT vs TEMPERATURE
14
LowâPower Mode
12
10
8
6
4
2
0
â40
â15
10
35
60
85
Temperature (_C)
POWER CONSUMPTION HISTOGRAM
40
Data collected
35 from multiple lots.
LowâPower Mode
30
25
20
15
10
5
0
Power per Channel (mW)
DIGITAL SUPPLY CURRENT vs TEMPERATURE
1.2
Low PowerâMode
DVDD = 5V
1.0
0.8
0.6
DVDD = 3V
0.4
0.2
0
â40
â15
10
35
60
85
Temperature (_C)
OFFSET DRIFT OVER TIME HISTOGRAM
600
Repeated measurement
of offset drift over a
500 one minute interval.
Range 5
400
300
200
100
0
â1.0 â0.8 â0.6 â0.4 â0.2 0 0.2 0.4 0.6 0.8 1.0
Offset Drift (ppm of FSR/minute)
7
|
▷ |