ADM1026JST ON Semiconductor, ADM1026JST Datasheet - Page 6

• 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

ELECTRICAL CHARACTERISTICS
FAN RPM−TO−DIGITAL CONVERTER (Note 6)
OPEN DRAIN O/Ps, PWM, GPIO0 to 16
DIGITAL OUTPUTS (INT, RESETMAIN, RESETSTBY)
OPEN DRAIN SERIAL DATABUS OUTPUT (SDA)
SERIAL BUS DIGITAL INPUTS (SCL, SDA)
DIGITAL INPUT LOGIC LEVELS (ADD, CI, FAN 0 to 7, GPIO 0 to 16) (Note 7 and 8)
RESETMAIN, RESETSTBY
DIGITAL INPUT CURRENT
EEPROM RELIABILITY
SERIAL BUS TIMING
Accuracy
Full−Scale Count
FAN0 to FAN7 Nominal Input RPM (Note 5)
Internal Clock Frequency
Output High Voltage, V
High Level Output Leakage Current, I
Output Low Voltage, V
PWM Output Frequency
Output Low Voltage, V
RESET Pulse Width
Output Low Voltage, V
High Level Output Leakage Current, I
Input High Voltage, V
Input Low Voltage, V
Hysteresis
Input High Voltage, V
Input Low Voltage, V
Hysteresis (Fan 0 to 7)
RESETMAIN Threshold
RESETSTBY Threshold
RESETMAIN Hysteresis
RESETSTBY Hysteresis
Input High Current, I
Input Low Current, I
Input Capacitance, C
Endurance (Note 9)
Data Retention (Note 10)
Clock Frequency, f
Glitch Immunity, t
Bus Free Time, t
Start Setup Time, t
BUF
SW
SCLK
SU; STA
Parameter
IL
IH
IL
IL
IH
IH
IN
OL
OL
OL
OH
OH
OH
T
A
= T
MIN
to T
Divisor = 1, fan count = 153
Divisor = 2, fan count = 153
Divisor = 4, fan count = 153
Divisor = 8, fan count = 153
I
V
I
I
I
V
V
V
V
Falling voltage
Falling voltage
V
V
See Figure 2 for all parameters.
OUT
OUT
OUT
OUT
MAX
OUT
OUT
CC
CC
CC
IN
IN
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Test Conditions/Comments
= V
= 0
= 3.3 V
= 3.3 V
= 3.3 V
= 3.0 mA, V
= −3.0 mA, V
= −3.0 mA, V
= –3.0 mA, V
, V
= V
= V
CC
CC
CC
CC
= V
6
MIN
CC
CC
CC
CC
to V
= 3.3 V
= 3.3 V
= 3.3 V
= 3.3 V
MAX
, unless otherwise noted. (Note 1, 2, and 3)
2.89
3.01
–1.0
Min
140
100
2.4
2.2
2.4
0.8
4.7
4.7
20
10
8800
4400
2200
1100
22.5
2.94
3.05
Typ
180
500
250
700
0.1
0.1
75
60
70
20
2.97
3.10
Max
±12
255
240
400
1.0
0.4
0.4
0.4
1.0
0.8
1.0
25
50
kcycles
Years
RPM
Unit
kHz
kHz
mV
mV
mV
mV
ms
mA
Hz
mA
mA
mA
pF
ns
ms
ms
%
V
V
V
V
V
V
V
V
V
V