Temperature Sensor and
System Monitor in a 10-Pin μMAX
Typical Operating Characteristics
(V CC = +3.3V, ADD = GND, T A = +25°C, unless otherwise noted.)
SUPPLY CURRENT
TEMPERATURE ERROR
SUPPLY CURRENT vs. SUPPLY VOLTAGE
vs. SCL CLOCK FREQUENCY
vs. SUPPLY VOLTAGE
350
300
INTERFACE INACTIVE
450
425
V CC = +5V
SCL = 3Vp-p
4
3
250
200
150
100
50
0
A
B
C
D
E
A: T A = +125°C
B: T A = +85°C
C: T A = +25°C
D: T A = 0°C
E: T A = -40°C
400
375
350
325
300
275
250
2
1
0
-1
-2
-3
-4
T A = 0°C
T A = +85°C
T A = -40°C
2.5
3.0
3.5
4.0
4.5
5.0
5.5
1
10
100
1000
2.5
3.0
3.5
4.0
4.5
5.0
5.5
SUPPLY VOLTAGE (V)
TEMPERATURE ERROR
vs. SUPPLY NOISE FREQUENCY
CLOCK FREQUENCY (kHz)
TEMPERATURE ERROR
vs. TEMPERATURE
SUPPLY VOLTAGE (V)
6
5
4
3
2
1
0
V CC = +5V
BYPASS CAP REMOVED
200mVp-p
5
4
3
2
1
0
-1
-2
-3
-4
-5
1
10
100
1k
10k
-50
-25
0
25
50
75
100
125
SUPPLY NOISE FREQUENCY (Hz)
TEMPERATURE ( ° C)
4
_______________________________________________________________________________________
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