Datasheet

5
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TSC2000
SBAS257
TYPICAL CHARACTERISTICS
At T
A
= +25°C, +V
DD
= +2.7V, conversion clock = 2MHz, 12-bit mode. Internal V
REF
= +2.5V, unless otherwise noted.
CONVERSION SUPPLY CURRENT vs TEMPERATURE
(AUX1 Conversion, No Averaging,
No REF Power-Down, 20µs Conversion)
0–60 100–40 –20 20
Temperature (°C)
I
DD
(mA)
2
1.95
1.9
1.85
1.8
1.75
40 60 80
POWER-DOWN SUPPLY CURRENT
vs TEMPERATURE
0–60 100–40 –20 20
Temperature (°C)
I
DD
(nA)
7
6
5
4
3
2
1
0
40 60 80
POWER-DOWN SUPPLY CURRENT vs
SUPPLY VOLTAGE
2.92.5 3.73.1
Supply Voltage (V)
Power-Down Current
(nA)
0.12
0.11
0.1
0.09
0.08
0.07
0.06
3.3 3.52.7
INTERNAL OSCILLATOR FREQUENCY vs V
DD
3.12.5 3.72.7 3.3
V
DD
(V)
Internal Oscillator Frequency (MHz)
8.3
8.25
8.2
8.15
8.1
8.05
8
7.95
7.9
7.85
7.8
3.52.9
CHANGE IN GAIN ERROR vs TEMPERATURE
0–60 100–40 –20 20
Temperature (°C)
Change in Gain Error (LSB)
0.5
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
40 60 80
CHANGE IN OFFSET ERROR vs TEMPERATURE
0–60 100–40 –20 20
Temperature (°C)
Change in Offset (LSB)
40 60 80
0.5
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5