(TA = +25°C, unless otherwise noted.)
DIGITAL SUPPLY CURRENT
vs. CLOCK FREQUENCY
25
DVDD = +3.6V
20
15
TA = +85°C
10
TA = -40°C, +25°C
5
2345678
fHFXIN (MHz)
High-Precision ADC
Mixed-Signal Microcontroller
Typical Operating Characteristics
PORT PIN HIGH OUTPUT VOLTAGE
vs. SOURCE CURRENT
2.8
2.7
DVDD = 2.8V
2.6
2.5
2.4
TA = +85°C
2.3
TA = +25°C
2.2
2.1
2.0
TA = -40°C
1.9
1.8
0
2
4
6
8
10
IOH (mA)
PORT PIN LOW-OUTPUT VOLTAGE
vs. SINK CURRENT
1.0
0.9 DVDD = 2.8V
0.8
0.7
TA = +85°C
0.6
0.5
TA = +25°C
0.4
0.3
TA = -40°C
0.2
0.1
0
0
2
4
6
8
10
IOL (mA)
REFERENCE VOLTAGE OUTPUT
vs. LOAD CURRENT
1.29
AVDD = 3.3V
1.28
1.27
TA = +85°C
1.26
TA = +25°C
1.25
TA = -40°C
1.24
-100
-50
0
50
100
IREF (µA)
SIGNAL-TO-NOISE RATIO
vs. INPUT FREQUENCY
60
TA = +25°C, +85°C
55
50
VREF = +1.25V
AVDD = 3.3V
45
012345678
INPUT FREQUENCY (kHz)
9 10
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