ADM1028ARQ ON Semiconductor, ADM1028ARQ Datasheet - Page 5

• Manufacturer Part Number: ADM1028ARQ
• Description: IC SENSOR TEMP/FAN CTRL 16QSOP
• Manufacturer: ON Semiconductor

Specifications of ADM1028ARQ

• Rohs Status: RoHS non-compliant
• Function: Fan Control, Temp Monitor
• Topology: ADC, Register Bank
• Sensor Type: External & Internal
• Sensing Temperature: 0°C ~ 100°C, External Sensor
• Output Type: SMBus™
• Output Alarm: No
• Output Fan: Yes
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: 0°C ~ 100°C
• Mounting Type: Surface Mount
• Package / Case: 16-QSOP

REV. B
TPC 1. Temperature Error vs. PC Board Track Resistance
(D+ to V
TPC 3. Temperature Error vs. Common-Mode
Noise Frequency
–10
–20
–30
TPC 2. Temperature Error vs. Power Supply
Noise Frequency
14
13
12
11
10
30
20
10
14
12
10
9
8
7
6
5
4
3
2
1
0
0
8
6
4
2
0
1
1
1
DD
)
10
10
100
100
D+ TO GND
D+ TO V
LEAKAGE RESISTANCE – M
V
V
IN
V
IN
1k
IN
V
1k
= 100mV p-p
FREQUENCY – Hz
= 50mV p-p
DD
IN
= 25mV p-p
FREQUENCY – Hz
= 100mV p-p
10k
10k
V
IN
10
= 250mV p-p
100k
100k
1M
1M
10M
10M
100M
100M
Typical Performance Characteristics–ADM1028
1000M
100
1G
–5–
TPC 4. Temperature Error of ADM1028 vs. Pentium
Temperature
TPC 5. Temperature Error vs. Capacitance Between
D+ and D–
2.02
1.97
1.92
1.87
1.82
1.77
1.72
1.67
TPC 6. Standby Current vs. Clock Frequency
–1
–2
–3
–4
–5
40
35
30
25
20
15
10
–5
4
3
2
1
0
5
0
1
0
0
10
5
10
10
20
20
30
25
SCLK FREQUENCY – kHz
LOWER SPEC LEVEL
UPPER SPEC LEVEL
TEMPERATURE – C
CAPACITANCE – nF
V
V
40
50
DD
DD
30
= 3.3V
= 5V
50
75
40
100
60
250
70
50
500
80
60
750
90
1000
100
70
®
III