MIC280
Micrel
MIC280
6
May 2006
Typical Characteristics
V
DD
 = 3.3V; T
A
 = 25癈, unless otherwise noted.
-2.5
-2
-1.5
-1
-0.5
0
0.5
1
1.5
2
2.5
-55 -35 -15  5  25 45 65 85 105125
JUNCTION TEMPERATURE(癈)
Accuracy vs.
Temperature, Internal Sensor
0
20
40
60
80
100
120
140
0  1  2  3  4  5  6  7  8  9  10
TIME (sec)
Response to Immersion
in 125癈 Fluid Bath
-20
-15
-10
-5
0
5
CAPACITANCE (pF)
Remote Temperature Error vs.
Capacitance on T1
-2
-1.5
-1
-0.5
0
0.5
1
1.5
2
0
20    40    60    80    100
REMOTE DIODE TEMPERATURE(癈)
Remote Temperature
Measurement Error
0
50
100
150
200
250
300
350
400
-55 -35 -15  5  25 45 65 85 105125
TEMPERATURE(癈)
Supply Current vs.
Temperature for V
DD
= 3.3V
0
5
10
15
20
25
30
-55 -35 -15  5  25 45 65 85 105125
TEMPERATURE(癈)
Quiescent Current vs.
Temperature in Shutdown Mode
/INT, T1 open
CLK = DATA = HIGH
0
1
2
3
4
5
6
7
8
9
10
2.6    2.8    3.0    3.2    3.4    3.6
SUPPLY VOLTAGE (V)
Quiescent Current vs.
Supply Voltage in Shutdown Mode
/INT, T1 open
CLK = DATA = HIGH
0
5
10
15
20
0
100
200
300
400
FREQUENCY (kHz)
Quiescent Current vs.
Clock Frequency in
Shutdown Mode
/INT, T1 open
DATA = HIGH
-8
-6
-4
-2
0
2
4
6
8
1x10
6
1x10
7
1x10
8
1x10
9
RESISTANCE FROM T1(&)
Measurement Error vs.
PCB Leakage to +3.3V/GND
GND
3.3V
0
1
2
3
4
5
6
7
Noise Injected into the Base of
Remote Transistor
FREQUENCY (Hz)
1  10 100
1k
10k100k1M10M100M
3mV
P-P
25mV
P-P
10mV
P-P
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
Noise Injected into the
Collector of Remote Transistor
FREQUENCY (Hz)
1  10 100
1k
10k100k1M10M100M
50mV
P-P
25mV
P-P
100mV
P-P
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