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MAX1669 Datasheet(PDF) 5 Page - Maxim Integrated Products

Part No. MAX1669
Description  Fan Controller and Remote Temperature Sensor with SMBus Serial Interface
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
Logo MAXIM - Maxim Integrated Products

MAX1669 Datasheet(HTML) 5 Page - Maxim Integrated Products

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Fan Controller and Remote Temperature Sensor
with SMBus Serial Interface
_______________________________________________________________________________________
5
40
-30
1
10
100
TEMPERATURE ERROR
vs. LEAKAGE RESISTANCE
-10
LEAKAGE RESISTANCE (M
Ω)
10
30
-40
-20
0
20
PATH = DXP TO VCC (5V); CONFIG = 02h
PATH = DXP TO GND; CONFIG = 02h
-2.0
-1.0
-1.5
0.5
0
-0.5
1.5
1.0
2.0
-60
20
-20
60
100
-40
40
0
80
120 140
TEMPERATURE ERROR
vs. REMOTE DIODE TEMPERATURE
TEMPERATURE (°C)
RANDOM 2N3906s FROM
DIFFERENT MANUFACTURERS
18
-2
1K
10K
100K
1M
10M
100M
TEMPERATURE ERROR vs.
POWER-SUPPLY NOISE FREQUENCY
2
0
PSNF (Hz)
6
14
10
4
8
16
12
VIN = SQUARE WAVE APPLIED TO
VCC WITH NO 0.1
µF VCC CAPACITOR
VIN = 100mVp-p
VIN = 250mVp-p
7
-2
1M
1G
100M
10M
TEMPERATURE ERROR vs.
COMMON-MODE NOISE FREQUENCY
1
-1
5
3
8
2
0
6
4
FREQUENCY (Hz)
VIN = 50mVp-p AC-COUPLED TO DXN
C = DXN - DXP CAPACITANCE
C = 27nF
C = 2200pF
-16
-12
-14
-6
-8
-10
0
-2
-4
2
020
10
30
40
50
TEMPERATURE ERROR
vs. DXP - DXN CAPACITANCE
DXP-DXN CAPACITANCE (nF)
VCC = 5V
0
2
1
4
3
6
5
7
3.0
4.0
3.5
4.5
5.0
5.5
STANDBY SUPPLY CURRENT
vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
0
40
20
80
60
100
120
-2
2
4
06
8
10
RESPONSE TO THERMAL SHOCK
TIME (sec)
CMPT3906 IMMERSED IN
+115°C FLUORINERT BATH
0
20
60
40
80
120
100
140
160
180
04
2
5
7 8
10
12
3
16
9
11
13 14
PWM FREQUENCY vs. CODE (F3F2F1F0)
CODE (F3F2F1F0)
VCC = +3.3V
VCC = +5V
Typical Operating Characteristics
(Temperature error = measured - actual, TA = +25°C, unless otherwise noted.)


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