參數(shù)資料
型號: ADM1031ARQZ-R7
廠商: ON SEMICONDUCTOR
元件分類: 溫度/濕度傳感器
英文描述: DIGITAL TEMP SENSOR-SERIAL, 11BIT(s), 3Cel, RECTANGULAR, SURFACE MOUNT
封裝: LEAD FREE, QSOP-16
文件頁數(shù): 16/30頁
文件大?。?/td> 299K
代理商: ADM1031ARQZ-R7
ADM1031
http://onsemi.com
23
Figure 39. Typical Application Circuit
SDA
SCL
GND
VCC
1
2
3
4
16
15
14
13
ADM1031
5
12
6
7
8
9
10
11
INT (SMBALERT)
TACH1/AIN1
D1+
D1–/NTI
ADD
THERM
FAN_FAULT
PWM_OUT2
TACH2/AIN2
FAN_FAULT
TO SIGNAL
FAN FAILURE
CONDITION
CPU INTERRUPT
SDA
SCL
2N3904 OR PENTIUM III
CPU THERMAL DIODE
3.3 V
5.0 V
TACH
FAN11
3WIRE
FAN
PWM_OUT1
D2+
D2–
NDT3055L
(NMOS)
10 kV
TYP
3.3 V
10 kV
TYP
3.3 V
10 kV
TYP
2.2 kV
3.3 V
2.2 kV
3.3 V
10 kV
TYP
3.3 V
10 kV
TYP
3.3 V
5.0 V
FAN2
NDT3055L
(NMOS)
RSENSE
0.01mF
2N3904 OR PENTIUM III
CPU THERMAL DIODE
1IN ACTUAL APPLICATION, BOTH FANS MUST BE 2WIRE OR 3WIRE TYPE. A SINGLE BIT
CONTROLS WHETHER TACH1/AIN1 AND TACH2/AIN2 ARE ANALOG OR DIGITAL INPUTS.
5.0 V MAX
(DO NOT CONNECT
TO 12 V)
2WIRE
FAN
THERM
SIGNAL TO
THROTTLE
CPU CLOCK
10 kV
TYP
Table 12. Registers
Register Name
Address
A7A0 in Hex
Comments
Value Registers
0x08–0x1E
See Table 13.
Device ID Register
0x3D
This location contains the device identification number. Since this device
is the ADM1031, this register contains 0x31. This register is read only.
Company ID THERM
0x3E
This location contains the company identification number (0x41). This
register is read only.
Behavior/Revision
0x3F
This location contains the revision number of the device. The lower four bits
reflect device revisions [3:0]. Bit 7 of this register is the THERMtofan
enable bit. See Table 17.
Configuration Register 1
0x00
See Table 14. (PowerOn Value = 1001 0000)
Configuration Register 2
0x01
See Table 15. (PowerOn Value = 0111 1111)
Status Register 1
0x02
See Table 16. (PowerOn Value = 0000 0000)
Status Register 2
0x03
See Table 17. (PowerOn Value = 0000 0000)
Manufacturer’s Test Register
0x07
This register is used by the manufacturer for test purposes only. This
register should not be read from or written to in normal operation.
Fan Characteristics Register 1
0x20
See Table 19. (PowerOn Value = 0101 1101)
Fan Characteristics Register 2
0x21
See Table 20 . (PowerOn Value = 0101 1101)
Fan Speed Configuration Register
0x22
See Table 21. (PowerOn Value = 0101 0101)
Fan Filter Register
0x23
See Table 22. (PowerOn Value = 0101 0000)
Local Temperature TMIN/TRANGE
0x24
See Table 23. (PowerOn Value = 0100 0001)
Remote 1 Temperature TMIN/TRANGE
0x25
See Table 24. (PowerOn Value = 0110 0001)
Remote 2 Temperature TMIN/TRANGE
0x26
See Table 25. (PowerOn Value = 0110 0001)
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