ADT7475ARQZ ON Semiconductor, ADT7475ARQZ Datasheet - Page 6

• Manufacturer Part Number: ADT7475ARQZ
• Description: IC REMOTE THERMAL CTRLR 16-QSOP
• Manufacturer: ON Semiconductor
• Series: dBCool®r

Specifications of ADT7475ARQZ

• Function: Fan Control, Temp Monitor
• Topology: ADC, Comparator, Fan Speed Counter, Multiplexer, Register Bank
• Sensor Type: External & Internal
• Sensing Temperature: -40°C ~ 125°C, External Sensor
• Output Type: SMBus™
• Output Alarm: No
• 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: +/- 0.5 C
• Digital Output - Bus Interface: Serial (3-Wire, 4-Wire)
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 3. Temperature Error vs. Capacitance
–10
–20
–30
–40
–50
–60
1.20
1.18
1.16
1.14
1.12
1.10
1.08
1.06
1.04
1.02
1.00
0.98
0
Figure 5. Remote Temperature Error vs.
3.0
0
Figure 7. Normal I
Common−Mode Noise Frequency
2
3.1
4
Between D+ and D−
6
3.2
CAPACITANCE (nF)
8
DD
B
10
V
B
DD
vs. Power Supply
3.3
12
(V)
TYPICAL PERFORMANCE CHARACTERISTICS
14
3.4
16
18
3.5
20
22
3.6
http://onsemi.com
6
Figure 8. Internal Temperature Error vs. Power
Figure 4. Remote Temperature Error vs. PCB
–10
–20
–30
–40
30
20
10
0
Figure 6. Remote Temperature Error vs.
0
Differential Mode Noise Frequency
D+ to GND
D+ to V
20
CC
LEAKAGE RESISTANCE (MW)
Supply Noise
Resistance
40
60
80
100