ADM1026JST ON Semiconductor, ADM1026JST Datasheet - Page 2

• Manufacturer Part Number: ADM1026JST
• Description: IC CNTRL SYS REF/EEPROM 48LQFP
• Manufacturer: ON Semiconductor

Specifications of ADM1026JST

• Rohs Status: RoHS non-compliant
• Function: Hardware Monitor
• Topology: ADC, Comparator, Multiplexer, Register Bank
• Sensor Type: External & Internal
• Sensing Temperature: 0°C ~ 100°C, External Sensor
• Output Type: SMBus™
• Output Alarm: No
• Output Fan: Yes
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: 0°C ~ 100°C
• Mounting Type: Surface Mount
• Package / Case: 48-LFQFP

D2–/A
D2+/A
A
A
IN6
IN7
IN8
IN9
A
A
A
A
A
A
IN0
IN1
IN2
IN3
IN4
IN5
D1–/NTESTIN
FAN 7/GPIO7
FAN 6/GPIO6
FAN 5/GPIO5
FAN 4/GPIO4
FAN 3/GPIO3
FAN 2/GPIO2
FAN 1/GPIO1
FAN 0/GPIO0
(0V - +2.5V)
(0V - +2.5V)
(0V - +2.5V)
(0V - +2.5V)
(0V - +3V)
(0V - +3V)
(0V - +3V)
(0V - +3V)
(0V - +3V)
(0V - +3V)
GPIO15
GPIO14
GPIO13
GPIO12
GPIO11
GPIO10
+12 V
–12 V
GPIO9
GPIO8
+V
+5 V
V
D1+
BAT
CCP
IN
IN
IN
TEMPERATURE
BAND GAP
SENSOR
FAN0/GPIO0
FAN1/GPIO1
FAN2/GPIO2
FAN3/GPIO3
FAN4/GPIO4
FAN5/GPIO5
FAN6/GPIO6
FAN7/GPIO7
3.3V MAIN
GPIO9
GPIO8
DGND
ATTENUATORS
MULTIPLEXER
REGISTERS
COUNTER
10
11
12
ANALOG
Figure 1. Functional Block Diagram
1
2
3
4
5
6
7
8
9
SPEED
INPUT
GPIO
AND
FAN
PIN 1
PIN ASSIGNMENT
http://onsemi.com
AGND
REFERENCE
BAND GAP
ADM1026
TOP VIEW
AUTOMATIC
FAN SPEED
REGISTER
ADM1026
ADDRESS
CONTROL
8k BYTES
POINTER
EEPROM
ADD/ NTESTOUT
2
DGND
8−BIT
ADC
V
REF
SERIAL BUS
INTERFACE
(1.82V OR 2.5V)
SDA
SCL
CONFIGURATION
OUTPUT REGISTER
36
35
34
33
32
31
30
29
28
27
26
25
COMPARATORS
AND CONTROLLER
PWM REGISTER
AND 8−BIT DAC
VALUE AND
REGISTERS
INTERRUPT
REGISTERS
REGISTERS
REGISTERS
INTERRUPT
+12 V
–12 V
+5 V
D2+/A
D2–/A
D1+
D1-/NTESTIN
INT MASK
A
A
A
+V
V
MASKING
STATUS
IN5
IN6
IN7
BAT
3.3V STBY
ANALOG
LIMIT
LIMIT
CCP
(0V – 3V)
(0V – 2.5V)
(0V – 2.5V)
IN
V
IN
IN
IN8
IN9
CC
(0V – 2.5V)
(0V – 2.5V)
GENERATOR
GENERATOR
3.3V MAIN
3.3V STBY
3.3V MAIN
RESET
RESET
REGISTERS
RESET IN
TO GPIO
100kΩ
100kΩ
V
CC
100kΩ
V
V
CC
CC
V
CC
RESETMAIN
RESETSTBY
PWM
CI
INT
GPIO16/THERM
DAC