ADM1034ARQZ-R7 ON Semiconductor, ADM1034ARQZ-R7 Datasheet - Page 36

• Manufacturer Part Number: ADM1034ARQZ-R7
• Description: IC THERM/FAN SPEED CTLR 16-QSOP
• Manufacturer: ON Semiconductor

Specifications of ADM1034ARQZ-R7

• Function: Fan Control, Temp Monitor
• Topology: ADC, Comparator, Multiplexer, Register Bank
• Sensor Type: External & Internal
• Sensing Temperature: -40°C ~ 125°C, External Sensor
• Output Type: SMBus™
• Output Alarm: Yes
• Output Fan: Yes
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 16-QSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 59. Register 0x3C, Fan Response Register, Power−On Default 0x11, Lock = Y, S/W Reset = Y
Table 60. Register 0x3D, Device ID, Power−On Default 0x34, Lock = N, S/W Reset = N
Table 61. Register 0x3E, Company ID, Power−On Default 0x41, Lock = N, S/W Reset = N
Table 62. Register 0x3F, Revision Register, Power−On Default 0x02, Lock = N, S/W Reset = N
Table 63. Register 0x40/41, Local Temp Registers, Power−On Default 0x00, Lock = N, S/W Reset = Y
<12:5>
<6:4>
<2:0>
<7:0>
<7:0>
<7:0>
<4:0>
Bit
Bit
Bit
Bit
Bit
7
3
Res
Fan 2 Response
Res
Fan 1 Response
Device ID
Company ID
Revision ID
Local Temperature LSB
Local Temperature MSB
Name
Name
Name
Name
Name
R/W
R/W
R/W
R/W
R/W
R/W
R
R
R
R
R
R/W
R
R
Reserved.
These bits set the fan’s response in the fan speed control mode.
000 = 1.25 updates/second
001 = 2.5 updates/second = Default
010 = 5 updates/second
011 = 10 updates/second
100 = 20 updates/second
101 = 40 updates/second
110 = 80 updates/second
111 = 160 updates/second
Reserved.
These bits set the fan’s response in the fan speed control mode.
000 = 1.25 updates/second
001 = 2.5 updates/second = Default
010 = 5 updates/second
011 = 10 updates/second
100 = 20 updates/second
101 = 40 updates/second
110 = 80 updates/second
111 = 160 updates/second
This read−only value contains the device ID, which is 0x34.
This read−only value contains the company ID, which is 0x41.
This read−only value contains the revision ID.
This register contains the LSBs of the last measured local temperature value.
Resolution = 0.03125°C.
This register contains the MSBs of the last measured local temperature value.
Resolution = 1°C.
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