ADM1026JST-REEL7 View Datasheet(PDF) - ON Semiconductor
Part Name
Description
Manufacturer
ADM1026JST-REEL7 Datasheet PDF : 55 Pages
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ADM1026
ABSOLUTE MAXIMUM RATINGS
Parameter
Rating
Unit
Positive Supply Voltage (VCC)
Voltage on +12 VIN Pin
Voltage on −12 VIN Pin
Voltage on Analog Pins
Voltage on Open−Drain Digital Pins
6.5
V
+20
V
−20
V
−0.3 to (VCC +0.3)
V
−0.3 to +6.5
V
Input Current at Any Pin
±5
mA
Package Input Current
±20
mA
Maximum Junction Temperature (TJMAX)
Storage Temperature Range
150
°C
−65 to +150
°C
Lead Temperature, Soldering
Vapor Phase (60 sec)
Infrared (15 sec)
°C
215
200
ESD Rating
−12 VIN Pin
All Other Pins
V
1000
2000
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: This device is ESD sensitive. Use standard ESD precautions when handling.
THERMAL CHARACTERISTICS
48−lead LQFP
Package Type
qJA
qJC
50
10
Unit
°C/W
PIN ASSIGNMENT
Pin No.
Mnemonic
1
GPIO9
2
GPIO8
3
FAN0/GPIO0
4
FAN1/GPIO1
5
FAN2/GPIO2
6
FAN3/GPIO3
7
3.3 V MAIN
8
DGND
9
FAN4/GPIO4
10
FAN5/GPIO5
11
FAN6/GPIO6
12
FAN7/GPIO7
13
SCL
14
SDA
15
ADD/NTESTOUT
16
CI
Type
Digital I/O†
Digital I/O†
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Analog Input
Ground
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Digital Input
Digital I/O
Digital Input
Digital Input
Description
General−purpose I/O pin that can be configured as digital inputs or outputs.
General−purpose I/O pin that can be configured as digital inputs or outputs.
Fan tachometer input with internal 10 kW pullup resistor to 3.3 V STBY. Can be
reconfigured as a general−purpose, open drain, digital I/O pin.
Fan tachometer input with internal 10 kW pullup resistor to 3.3 V STBY. Can be
reconfigured as a general−purpose, open drain, digital I/O pin.
Fan tachometer input with internal 10 kW pullup resistor to 3.3 V STBY. Can be
reconfigured as a general−purpose, open drain, digital I/O pin.
Fan tachometer input with internal 10 kW pullup resistor to 3.3 V STBY. Can be
reconfigured as a general−purpose, open drain, digital I/O pin.
Monitors the main 3.3 V system supply. Does not power the device.
Ground pin for digital circuits.
Fan tachometer input with internal 10 kW pullup resistor to 3.3 V STBY. Can be
reconfigured as a general−purpose, open drain, digital I/O pin.
Fan tachometer input with internal 10 kW pullup resistor to 3.3 V STBY. Can be
reconfigured as a general−purpose, open drain, digital I/O pin.
Fan tachometer input with internal 10 kW pullup resistor to 3.3 V STBY. Can be
reconfigured as a general−purpose, open drain, digital I/O pin.
Fan tachometer input with internal 10 kW pullup resistor to 3.3 V STBY. Can be
reconfigured as a general−purpose, open drain, digital I/O pin.
Open Drain Serial Bus Clock. Requires a 2.2 kW pullup resistor.
Serial Bus Data. Open drain I/O. Requires a 2.2 kW pullup resistor.
This is a three−state input that controls the two LSBs of the serial bus address. It
also functions as the output for NAND tree testing.
An active high input that captures a chassis intrusion event in Bit 6 of Status
Register 4. This bit remains set until cleared, as long as battery voltage is applied
to the VBAT input, even when the ADM1026 is powered off.
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