ADT7476ARQZ-R7 ON Semiconductor, ADT7476ARQZ-R7 Datasheet - Page 8

• Manufacturer Part Number: ADT7476ARQZ-R7
• Description: IC REMOTE THERMAL CTLR 24-QSOP
• Manufacturer: ON Semiconductor
• Series: dBCool®r

Specifications of ADT7476ARQZ-R7

• 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: 24-QSOP
• Temperature Sensor Function: Temp Sensor
• Operating Temperature (min): -40C
• Operating Temperature (max): 125C
• Operating Temperature Classification: Automotive
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (max): 3.6V
• 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

–10
–12
–2
–4
–6
–8
6
4
2
0
0
Figure 9. Remote Temperature Error vs.
Power Supply Noise Frequency
100M
250mV
200M
100mV
FREQUENCY (Hz)
300M
Figure 11. Remote Temperature Error vs. Temperature
400M
Figure 12. THERM Input Threshold vs. V
1.4
1.2
1.0
0.8
0.6
0.4
0.2
–0.5
–1.0
–1.5
–2.0
0
3.0
2.5
2.0
1.5
1.0
0.5
0
0
500M
–40
TYPICAL CHARACTERISTICS
0.2
2.5 V applied to 2.5 V Pin
–20
600M
0.4
http://onsemi.com
OIL BATH TEMPERATURE (°C)
0
0.6
20
0.8
8
V
40
CCP
1.0
(V)
1.2
60
–0.5
–1.0
–1.5
3.0
2.5
2.0
1.5
1.0
0.5
1.4
85
Figure 10. Internal Temperature Error vs.
0
–40
CCP
1.6
105
Voltage
–20
1.8
125
OIL BATH TEMPERATURE (°C)
2.0
0
Temperature
20
40
60
85
105
125