MIC281 Micrel Semiconductor, MIC281 Datasheet - Page 5

• Manufacturer Part Number: MIC281
• Description: Thermal Sensor IttyBitty
• Manufacturer: Micrel Semiconductor

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Typical Characteristics
V
November 2004
DD
= 3.3V; T
T emperature in S hutdown Mode
-10
-15
-20
-0.5
-1.5
30
25
20
15
10
1.5
0.5
-5
5
0
-55 -35 -15 5 25 45 65 85 105 125
R emote T emperature E rror vs .
5
0
-1
-2
REMOTE DIODE TEMPERATURE (°C)
2
1
0
0
T 1 open
C LK = DAT A = HIG H
Quies c ent C urrent vs .
R emote T emperature
C apac itanc e on T 1
Meas urement E rror
TEMPERATURE (°C)
20
CAPACITANCE (pF)
A
= 25°C, unless otherwise noted.
40
60
80
100
S upply V oltage in S hutdown Mode
E rror Due to Nois e on the B as e
7
6
5
4
3
2
1
0
10
400
350
300
250
200
150
100
1 10 100 1k 10k 100k 1M 10M100M
9
8
7
6
5
4
3
2
1
0
2.6
50
0
-55 -35 -15 5 25 45 65 85 105 125
T emperature for V
T 1 open
C LK = DAT A = HIG H
of R emote T rans is tor
Quies c ent C urrent vs .
SUPPLY VOLTAGE (V)
2.8
FREQUENCY (Hz)
S upply C urrent vs .
TEMPERATURE (°C)
3.0
3mV
10mV
P -P
25mV
5
3.2
P -P
P -P
DD
3.4
= 3.3V
3.6
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
1x10
20
15
10
-2
-4
-6
-8
C ollec tor of R emote T rans is tor
8
6
4
2
0
5
0
P C B L eakage to +3.3V /G ND
0
1 10 100 1k 10k 100k 1M 10M100M
0
E rror Due to Nois e on the
T 1 open
DAT A = HIG H
Meas urement E rror vs .
6
RESISTANCE FROM T1 (Ω)
Quies c ent C urrent vs .
C loc k F requenc y in
S hutdown Mode
100
FREQUENCY (Hz)
FREQUENCY (kHz)
1x10
G ND
3.3V
7
200
50mV
100mV
1x10
P -P
300
25mV
8
P -P
P -P
1x10
400
9
MIC281