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ADM1026JST-REEL7 View Datasheet(PDF) - ON Semiconductor

Part Name
Description
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ADM1026JST-REEL7
ON-Semiconductor
ON Semiconductor ON-Semiconductor
ADM1026JST-REEL7 Datasheet PDF : 55 Pages
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ADM1026
ELECTRICAL CHARACTERISTICS TA = TMIN to TMAX, VCC = VMIN to VMAX, unless otherwise noted. (Note 1, 2, and 3)
Parameter
Test Conditions/Comments
Min
Typ
Max
FAN RPMTODIGITAL CONVERTER (Note 6)
Accuracy
±12
FullScale Count
255
FAN0 to FAN7 Nominal Input RPM (Note 5)
Divisor = 1, fan count = 153
Divisor = 2, fan count = 153
Divisor = 4, fan count = 153
Divisor = 8, fan count = 153
8800
4400
2200
1100
Internal Clock Frequency
20
22.5
25
OPEN DRAIN O/Ps, PWM, GPIO0 to 16
Output High Voltage, VOH
High Level Output Leakage Current, IOH
Output Low Voltage, VOL
PWM Output Frequency
IOUT = 3.0 mA, VCC = 3.3 V
VOUT = VCC
IOUT = 3.0 mA, VCC = 3.3 V
2.4
0.1
1.0
0.4
75
DIGITAL OUTPUTS (INT, RESETMAIN, RESETSTBY)
Output Low Voltage, VOL
RESET Pulse Width
IOUT = 3.0 mA, VCC = 3.3 V
0.4
140
180
240
OPEN DRAIN SERIAL DATABUS OUTPUT (SDA)
Output Low Voltage, VOL
High Level Output Leakage Current, IOH
SERIAL BUS DIGITAL INPUTS (SCL, SDA)
IOUT = –3.0 mA, VCC = 3.3 V
VOUT = VCC
0.4
0.1
1.0
Input High Voltage, VIH
Input Low Voltage, VIL
Hysteresis
2.2
0.8
500
DIGITAL INPUT LOGIC LEVELS (ADD, CI, FAN 0 to 7, GPIO 0 to 16) (Note 7 and 8)
Input High Voltage, VIH
Input Low Voltage, VIL
Hysteresis (Fan 0 to 7)
RESETMAIN, RESETSTBY
VCC = 3.3 V
VCC = 3.3 V
VCC = 3.3 V
2.4
0.8
250
RESETMAIN Threshold
Falling voltage
2.89
2.94
2.97
RESETSTBY Threshold
Falling voltage
3.01
3.05
3.10
RESETMAIN Hysteresis
60
RESETSTBY Hysteresis
70
DIGITAL INPUT CURRENT
Input High Current, IIH
Input Low Current, IIL
Input Capacitance, CIN
EEPROM RELIABILITY
VIN = VCC
VIN = 0
–1.0
1.0
20
Endurance (Note 9)
100
700
Data Retention (Note 10)
10
SERIAL BUS TIMING
Clock Frequency, fSCLK
Glitch Immunity, tSW
Bus Free Time, tBUF
Start Setup Time, tSU; STA
See Figure 2 for all parameters.
400
50
4.7
4.7
Unit
%
RPM
kHz
V
mA
V
Hz
V
ms
V
mA
V
V
mV
V
V
mV
V
V
mV
mV
mA
mA
pF
kcycles
Years
kHz
ns
ms
ms
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