ADT7476AARQZ ON Semiconductor, ADT7476AARQZ Datasheet - Page 7
ADT7476AARQZ
Manufacturer Part Number
ADT7476AARQZ
Description
IC REMOTE THERM CTRLR 5V 24QSOP
Manufacturer
ON Semiconductor
Series
dBCool®r
Datasheet
1.ADT7476AARQZ.pdf
(67 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
1.20
1.18
1.16
1.14
1.12
1.10
1.08
1.06
1.04
1.02
1.00
0.98
–10
–20
–30
–40
–50
–60
Figure 3. Temperature Error vs. Capacitance
30
25
20
15
10
–5
0
5
0
3.0
0
Figure 7. Normal I
0
Figure 5. Remote Temperature Error vs.
2
Common-Mode Noise Frequency
100M
3.1
4
Between D+ and D−
6
200M
NOISE FREQUENCY (Hz)
3.2
CAPACITANCE (nF)
8
DD
10
V
DD
300M
3.3
vs. Power Supply
(V)
12
40mV
14
400M
3.4
100mV
16
60mV
18
500M
TYPICAL CHARACTERISTICS
3.5
20
600M
22
3.6
http://onsemi.com
7
–10
–15
15
10
–5
–10
–20
–30
–40
–10
5
0
Figure 8. Internal Temperature Error vs. Power
30
20
10
70
60
50
40
30
20
10
Figure 4. Remote Temperature Error vs. PCB
0
0
0
0
0
100mV
Figure 6. Remote Temperature Error vs.
Differential-Mode Noise Frequency
100M
D+ TO GND
D+ TO V
100M
20
Supply Noise Frequency
40mV
CC
LEAKAGE RESISTANCE (M )
200M
200M
NOISE FREQUENCY (Hz)
FREQUENCY (Hz)
Resistance
40
300M
300M
60mV
250mV
100mV
60
400M
400M
W
500M
80
500M
600M
600M
100