MAX6649 Ver la hoja de datos (PDF) - Maxim Integrated
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Fabricante
MAX6649
Maxim Integrated
MAX6649 Datasheet PDF : 16 Pages
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+145°C Precision SMBus-Compatible Remote/
Local Sensors with Overtemperature Alarms
(VCC = 3.3V, TA = +25°C, unless otherwise noted.)
Typical Operating Characteristics
STANDBY SUPPLY CURRENT
vs. SUPPLY VOLTAGE
5.0
4.5
4.0
3.5
3.0
2.5
3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
OPERATING SUPPLY CURRENT
vs. CONVERSION RATE
400
300
200
100
0
0.63 0.13 0.25 0.50 1.00 2.00 4.00
CONVERSION RATE (Hz)
REMOTE TEMPERATURE ERROR
vs. REMOTE-DIODE TEMPERATURE
2.0
1.5
1.0
0.5
0
-0.5
-1.0
-1.5
-2.0
0
TA = +85°C
FAIRCHILD 2N3906
25 50 75 100 125
TEMPERATURE (°C)
1.0
0.5
0
-0.5
-1.0
-1.5
-2.0
0
LOCAL TEMPERATURE ERROR
vs. DIE TEMPERATURE
25
50
75 100 125
TEMPERATURE (°C)
TEMPERATURE ERROR
vs. POWER-SUPPLY NOISE FREQUENCY
5
LOCAL ERROR
4
3
2
REMOTE ERROR
1
0
VCC = SQUARE WAVE APPLIED TO
-1
VCC WITH NO BYPASS CAPACITOR
-2
0.1 1 10 100 1k 10k 100k
FREQUENCY (Hz)
LOCAL TEMPERATURE ERROR
vs. COMMON-MODE NOISE FREQUENCY
9
8 VIN = AC-COUPLED TO DXN
7 VIN = 100mVP-P
6
5
4
REMOTE ERROR
3
2
LOCAL ERROR
1
0
-1
-2
1
10 100 1k 10k 100k
FREQUENCY (Hz)
TEMPERATURE ERROR
vs. DIFFERENTIAL-MODE NOISE FREQUENCY
2.0
TEMPERATURE ERROR
vs. DXP-DXN CAPACITANCE
1
1.5
0
1.0
-1
0.5
-2
0
-3
-0.5
-4
-1.0
1
10 100 1k 10k 100k
FREQUENCY (Hz)
-5
0.100
1.000
10.000
DXP-DXN CAPACITANCE (nF)
100.000
4
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