ADT7483AARQZ-R7 ON Semiconductor, ADT7483AARQZ-R7 Datasheet - Page 16

• Manufacturer Part Number: ADT7483AARQZ-R7
• Description: IC TEMP SENSOR/ALARM 2CH 16-QSOP
• Manufacturer: ON Semiconductor

Specifications of ADT7483AARQZ-R7

• Function: Temp Monitoring System (Sensor)
• 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 ~ 3.6 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 16-QSOP
• Full Temp Accuracy: +/- 2.5 C
• Digital Output - Bus Interface: Serial (2-Wire)
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ADT7483A
Table 15. List of ADT7483A Registers
Read
Address
(Hex)
N/A
00
01
01
02
03
04
05
06
07
07
08
08
N/A
10
10
11
11
12
12
13
13
14
14
19
19
20
21
22
23
24
30
31
32
33
34
35
36
37
39
FE
FF
1
Writing to Address 0F causes the ADT7483A to perform a single measurement. It is not a data register, as such, and it does not matter what data is written to it.
Write
Address
(Hex)
N/A
N/A
N/A
N/A
09
0A
0B
0C
0D
0D
0E
0E
0F
11
11
12
12
13
13
14
14
19
19
20
21
22
24
31
32
34
35
36
37
39
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
1
Mnemonic
Address Pointer
Local Temperature Value
Remote 1 Temperature Value High Byte
Remote 2 Temperature Value High Byte
Status Register 1
Configuration Register 1
Conversion Rate/Channel Selector
Local Temperature High Limit
Local Temperature Low Limit
Remote 1 Temp High Limit High Byte
Remote 2 Temp High Limit High Byte
Remote 1 Temp Low Limit High Byte
Remote 2 Temp Low Limit High Byte
One-Shot
Remote 1 Temperature Value Low Byte
Remote 2 Temperature Value Low Byte
Remote 1 Temperature Offset High Byte
Remote 2 Temperature Offset High Byte
Remote 1 Temperature Offset Low Byte
Remote 2 Temperature Offset Low Byte
Remote 1 Temp High Limit Low Byte
Remote 2 Temp High Limit Low Byte
Remote 1 Temp Low Limit Low Byte
Remote 2 Temp Low Limit Low Byte
Remote 1 THERM Limit
Remote 2 THERM Limit
Local THERM Limit
THERM Hysteresis
Consecutive ALERT
Status Register 2
Configuration 2 Register
Remote 2 Temperature Value High Byte
Remote 2 Temp High Limit High Byte
Remote 2 Temp Low Limit High Byte
Remote 2 Temperature Value Low Byte
Remote 2 Temperature Offset High Byte
Remote 2 Temperature Offset Low Byte
Remote 2 Temp High Limit Low Byte
Remote 2 Temp Low Limit Low Byte
Remote 2 THERM limit
Manufacturer ID
Die Revision Code
Rev. 1 | Page 16 of 24 | www.onsemi.com
Power-On Default
Undefined
0000 0000 (0x00)
0000 0000 (0x00)
0000 0000 (0x00)
Undefined
0000 0000 (0x00)
0000 0111 (0x07)
0101 0101 (0x55) (85°C)
0000 0000 (0x00) (0°C)
0101 0101 (0x55) (85°C)
0101 0101 (0x55) (85°C)
0000 0000 (0x00) (0°C)
0000 0000 (0x00) (0°C)
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0101 0101 (0x55) (85°C)
0101 0101 (0x55) (85°C)
0101 0101 (0x55) (85°C)
0000 1010 (0x0A) (10°C)
0000 0001 (0x01)
0000 0000 (0x00)
0000 0000 (0x00)
0000 0000 (0x00)
0101 0101 (0x55) (85°C)
0000 0000 (0x00) (0°C)
0000 0000 (0x00)
0000 0000 (0x00)
0000 0000 (0x00)
0000 0000 (0x00) (0°C)
0000 0000 (0x00) (0°C)
0101 0101 (0x55) (85°C)
0100 0001 (0x41)
1001 0100 (0x94)
Comment
Bit 3 Conf Reg = 0
Bit 3 Conf Reg = 1
Bit 3 Conf Reg = 0
Bit 3 Conf Reg = 1
Bit 3 Conf Reg = 0
Bit 3 Conf Reg = 1
Bit 3 Conf Reg = 0
Bit 3 Conf Reg = 1
Bit 3 Conf Reg = 0
Bit 3 Conf Reg = 1
Bit 3 Conf Reg = 0
Bit 3 Conf Reg = 1
Bit 3 Conf Reg = 0
Bit 3 Conf Reg = 1
Bit 3 Conf Reg = 0
Bit 3 Conf Reg = 1
Bit 3 Conf Reg = 0
Bit 3 Conf Reg = 1
Lock
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
N/A
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
No
Yes
Yes
No
Yes
Yes
Yes
Yes
Yes
N/A
N/A