ADT7476AARQZ ON Semiconductor, ADT7476AARQZ Datasheet - Page 8

• Manufacturer Part Number: ADT7476AARQZ
• Description: IC REMOTE THERM CTRLR 5V 24QSOP
• Manufacturer: ON Semiconductor
• Series: dBCool®r

Specifications of ADT7476AARQZ

• 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 Threshold: + 150 C
• Full Temp Accuracy: +/- 0.5 C
• Digital Output - Bus Interface: SMBus
• Digital Output - Number Of Bits: 8 bit
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 3 V
• Description/function: Remote Thermal Controller
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Supply Current: 1.5 mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 9. Remote Temperature Error vs. Power
–10
–12
–2
–4
–6
–8
6
4
2
0
0
100M
Supply Noise Frequency
250mV
200M
100mV
FREQUENCY (Hz)
Figure 11. Remote Temperature Error vs. ADT7476A Temperature
300M
Figure 12. THERM Input Threshold vs. V
400M
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
–40
500M
TYPICAL CHARACTERISTICS
0.2
2.5 V applied to 2.5 V Pin
–20
0.4
600M
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
0
1.4
85
–40
Figure 10. Internal Temperature Error vs.
CCP
1.6
105
–20
Voltage
1.8
125
ADT7476A Temperature
OIL BATH TEMPERATURE (°C)
0
2.0
20
40
60
85
105
125