ADM1031ARQZ-R7 ON Semiconductor, ADM1031ARQZ-R7 Datasheet - Page 5

• Manufacturer Part Number: ADM1031ARQZ-R7
• Description: IC SENSOR 2TEMP/FAN CTRL 16QSOP
• Manufacturer: ON Semiconductor

Specifications of ADM1031ARQZ-R7

• Function: Fan Control, Temp Monitor
• Topology: ADC, Comparator, Multiplexer, Register Bank
• Sensor Type: External & Internal
• Sensing Temperature: 0°C ~ 100°C, External Sensor
• Output Type: SMBus™
• Output Alarm: Yes
• Output Fan: Yes
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: 0°C ~ 100°C
• Mounting Type: Surface Mount
• Package / Case: 16-QSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 5. Temperature Error vs. Common−Mode
Figure 7. Temperature Error vs. Capacitance
–10
–15
–20
–10
–11
–12
–13
–14
–15
–16
Figure 3. Temperature Error vs. PCB Track
15
10
–5
–1
–2
–3
–4
–5
–6
–7
–8
–9
–1
5
0
1
0
7
6
5
4
3
2
1
0
1
1
0
100k
2.2
Between D+ and D–
3.3
Noise Frequency
1M
LEAKAGE RESISTANCE (MW)
DXP, DXN CAPACITANCE (nF)
Resistance
3.3
V
IN
100M
FREQUENCY (Hz)
= 40mV p−p
10
4.7
200M
V
DXP TO GND
DXP TO V
IN
= 20mV p−p
300M
10
CC
(3.3 V)
30
TYPICAL CHARACTERISTICS
400M
22
500M
http://onsemi.com
100
47
5
Figure 6. Pentium III Temperature Measurement
Figure 8. Standby Current vs. Clock Frequency
Figure 4. Temperature Error vs. Power Supply
110
100
110
100
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
17
15
13
11
–1
0
0
9
7
5
3
1
0
0
0
10
1
500k
20
V
5
vs. ADM1031 Reading
IN
= 200mV p−p
Noise Frequency
10
2M
30
SCLK FREQUENCY (kHz)
PIII TEMPERATURE (°C)
25
40
FREQUENCY (Hz)
4M
V
IN
50
50
= 100mV p−p
V
CC
V
CC
6M
60
75
= 5.0 V
= 3.3 V
100
70
10M
250
80
100M
500
90
750
100
400M
1000
110