MAX6642(2003) Ver la hoja de datos (PDF) - Maxim Integrated
Número de pieza
componentes Descripción
Fabricante
MAX6642
(Rev.:2003)
(Rev.:2003)
Maxim Integrated
MAX6642 Datasheet PDF : 13 Pages
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±1°C, SMBus-Compatible Remote/Local
Temperature Sensor with Overtemperature Alarm
(VCC = 3.3V, TA = +25°C, unless otherwise noted.)
Typical Operating Characteristics
STANDBY SUPPLY CURRENT
vs. CLOCK FREQUENCY
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.01
0.1
1
10
100
CLOCK FREQUENCY (kHz)
REMOTE TEMPERATURE ERROR
vs. REMOTE-DIODE TEMPERATURE
2
1
0
-1
-2
-3
2N3906
-4
0 25 50 75 100 125
TEMPERATURE (°C)
LOCAL TEMPERATURE ERROR
vs. DIE TEMPERATURE
3
2
1
0
-1
-2
-3
0
25
50
75 100 125
TEMPERATURE (°C)
TEMPERATURE ERROR
vs. POWER-SUPPLY NOISE FREQUENCY
2.0
1.5
1.0 LOCAL ERROR
REMOTE ERROR
0.5
0
-0.5
-1.0 VIN = 100mVP-P SQUARE WAVE
APPLIED TO VCC WITH NO BYPASS CAPACITOR
-1.5
0.0001 0.001 0.01 0.1 1 10 100
FREQUENCY (kHz)
TEMPERATURE ERROR
vs. DXP NOISE FREQUENCY
100
90 VIN = AC-COUPLED TO DXP
VIN = 100mVP-P SQUARE WAVE
80
70
60
REMOTE ERROR
50
40
30 LOCAL ERROR
20
10
0
0.001 0.01 0.1
1
10 100
FREQUENCY (kHz)
TEMPERATURE ERROR
vs. DXP-GND CAPACITANCE
2.0
1.0
0
-1.0
-2.0
-3.0
-4.0
-5.0
-6.0
0.1
1
10
100
DXP-GND CAPACITANCE (nF)
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