ADT7490
Table 5. COMPARISON OF ADT7490 AND ADT7476A CONFIGURATIONS
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
ADT7490
SDA
SCL
GND
V CC
GPIO1
GPIO2
PECI
V TT
TACH3
PWM2/SMBALERT
TACH1
TACH2
PWM3/ADDREN
TACH4/THERM/SMBALERT/ADDR SELECT
D2 ?
D2+
D1 ?
D1+
I MON
+5 V IN
+12 V IN
+2.5 V IN / THERM
V CCP
PWM1/XTO
ADT7476A
SDA
SCL
GND
V CC
VID0/GPIO0
VID1/GPIO1
VID2/GPIO2
VID3/GPIO3
TACH3
PWM2/SMBALERT
TACH1
TACH2
PWM3/ADDREN
TACH4/THERM/SMBALERT/GPIO6/ADDR SELECT
D2 ?
D2+
D1 ?
D1+
VID4/GPIO4
+5 V IN
+12 V IN /VID5
+2.5 V IN / THERM
V CCP
PWM1/XTO
TYPICAL PERFORMANCE CHARACTERISTICS
4.7
4.24
4.5
4.22
DEV 2
4.3
4.1
3.9
DEV 3
DEV 2
DEV 1
4.20
4.18
4.16
DEV 1
3.7
4.14
DEV 3
3.5
3.0
3.1
3.2
3.3
3.4
3.5
3.6
4.12
? 40
? 20
0
20
40
60
80
100
120
V DD (V)
Figure 3. Supply Current vs. Supply Voltage
http://onsemi.com
7
TEMPERATURE ( ? C)
Figure 4. Supply Current vs. Temperature
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