ADT7475ARQZ ON Semiconductor, ADT7475ARQZ Datasheet - Page 2

• 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

Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
NOTE:
1. q
ABSOLUTE MAXIMUM RATINGS
THERMAL CHARACTERISTICS
Positive Supply Voltage (V
Voltage on Any Input or Output Pin
Input Current at Any Pin
Package Input Current
Maximum Junction Temperature (T
Storage Temperature Range
Lead Temperature, Soldering
ESD Rating
16−lead QSOP
JA
is specified for the worst−case conditions, that is, a device soldered in a circuit board for surface−mount packages.
This device is ESD sensitive. Use standard ESD precautions when handling.
IR Reflow Peak Temperature
Lead Temperature (Soldering, 10 sec)
Parameter
THERM
TACH1
TACH2
TACH3
TACH4
PWM1
PWM2
PWM3
Package Type
V
D1+
D2+
D1–
D2–
V
CCP
CC
CC
)
V
TEMPERATURE
CC
JMAX
CONTROLLERS
BAND GAP
REGISTERS
(HF AND LF)
SENSOR
TO ADT7475
PWM
AND
)
Figure 1. Functional Block Diagram
ADT7475
PERFORMANCE
ENHANCEMENT
CONDITIONING
MULTIPLEXER
MONITORING
PROTECTION
ACOUSTIC
CONTROL
COUNTER
THERMAL
ANALOG
http://onsemi.com
SIGNAL
SPEED
INPUT
AND
FAN
GND
2
150
q
JA
AUTOMATIC
FAN SPEED
−0.3 to +3.6
−65 to +150
CONTROL
REFERENCE
BAND GAP
Rating
1500
10−BIT
±20
150
260
300
3.6
ADC
±5
SCL SDA SMBALERT
SERIAL BUS
INTERFACE
q
39
JC
CONFIGURATION
COMPARATORS
REGISTERS
INTERRUPT
INTERRUPT
REGISTERS
VALUE AND
REGISTERS
REGISTER
ADDRESS
MASKING
POINTER
STATUS
LIMIT
LIMIT
PWM
°C/W
Unit
Unit
mA
mA
°C
°C
°C
V
V
V