ADT7473ARQZ-1RL ON Semiconductor, ADT7473ARQZ-1RL Datasheet - Page 2

• Manufacturer Part Number: ADT7473ARQZ-1RL
• Description: IC REMOTE THERMAL CTLR 16QSOP
• Manufacturer: ON Semiconductor
• Series: dBCool®r

Specifications of ADT7473ARQZ-1RL

• 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:
NOTE:
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
This device is ESD sensitive. Use standard ESD precautions when handling.
q
JA
IR Reflow Peak Temperature
Lead Temperature (Soldering, 10 sec)
is specified for the worst−case conditions, that is, a device soldered in a circuit board for surface−mount packages.
*THERM_LATCH
Parameter
Package Type
TACH1
TACH2
TACH3
TACH4
PWM1
PWM2
PWM3
V
CC
D1+
D1–
D2+
D2–
V
CCP
CC
)
*PIN FUNCTION ONLY AVAILABLE ON THE ADT7473−1
V
ADT7473/ADT7473−1
CC
J max
TO ADT7473/ADT7473−1
TEMP SENSOR
CONTROLLERS
BAND GAP
)
(HF AND LF)
REGISTERS
SRC
PWM
AND
Figure 1. Functional Block Diagram
http://onsemi.com
ENHANCEMENT
PERFORMANCE
CONDITIONING
MULTIPLEXER
PROTECTION
MONITORING
ACOUSTIC
COUNTER
CONTROL
THERMAL
ANALOG
*ADDREN
SIGNAL
SPEED
INPUT
AND
FAN
SELECTION
2
ADDRESS
SMBus
150
q
JA
*ADDR SELECT
−0.3 to +3.6
−65 to +150
GND
Rating
AUTOMATIC
1500
FAN SPEED
±5.0
±20
150
260
300
CONTROL
CONTROL
DYNAMIC
3.6
REFERENCE
BAND GAP
T
10−BIT
ADC
MIN
SCL
SERIAL BUS
INTERFACE
q
39
SDA SMBALERT
JC
CONFIGURATION
COMPARATORS
REGISTERS
INTERRUPT
INTERRUPT
REGISTERS
VALUE AND
REGISTERS
REGISTER
ADDRESS
MASKING
POINTER
STATUS
PWM
LIMIT
LIMIT
°C/W
Unit
Unit
mA
mA
°C
°C
°C
V
V
V