Fan Control Device with High Frequency PWM and Temperature Monitors
Datasheet
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
COMMENTS
Analog-to-DigitalConverter
Characteristics
Note 4.1
±2
%
Total Unadjusted Error
Differential Non-Linearity
Power Supply Sensitivity
TUE
DNL
±1
±1
LSB
%/V
sec
PSS
Total Monitoring Cycle Time
(Cycle Mode, Default
Averaging)
tC(Cycle)
1.22
1.4
248
200
Note 4.2
Note 4.3
tC(Cts)
203
223
140
msec
Conversion Time
(Continuous Mode, Default
Averaging)
kΩ
Input Resistance
ADC Resolution
10 bits Note 4.6
Input Buffer
(VID0-VID4,TACH1-TACH4)
Low Input Level
High Input Level
VILI
VIHI
0.8
V
V
2.0
2.0
Vcc+0.3
IOD Type Buffer
(SCL, SDA, PWM1, PWM2,
PWM3/ADDRESS ENABLE,
INT#
VILI
VIHI
0.8
V
V
Low Input Level
High Input Level
Hysteresis
Vcc+0.3
VHYS
VOL
500
mV
V
Low Output Level
IOL = +4.0 mA (Note 4.5)
(Note 4.4)
0.4
Leakage Current
(ALL - Digital)
Input High Current
VIN = VCC
VIN = 0V
ILEAKIH
ILEAKIL
CIN
10
-10
10
µA
µA
pF
Input Low Current
Digital Input Capacitance
VCC Supply Current
Active Mode
All outputs open, all
inputs transitioning
from/to 0V to/from 3.3V.
ICC
ICC
ICC
3
500
3
mA
µA
µA
Sleep Mode
Shutdown Mode
Notes:
Voltages are measured from the local ground potential, unless otherwise specified.
Typical values are at TA=25°C and represent most likely parametric norm.
SMSC EMC2300
Revision 0.2 (06-14-06)
DATA1S3HEET
SMSC [ SMSC CORPORATION ]
