EMC2300 Datasheet, PDF (13/81 Pages) SMSC Corporation – Fan Control Device with High Frequency PWM and Temperature Monitors

Fan Control Device with High Frequency PWM and Temperature Monitors
Datasheet
PARAMETER
SYMBOL MIN
Analog-to-Digital Converter
Characteristics
Total Unadjusted Error
Differential Non-Linearity
Power Supply Sensitivity
Total Monitoring Cycle Time
(Cycle Mode, Default
Averaging)
TUE
DNL
PSS
t_C(Cycle)
Conversion Time
t_C(Cts)
203
(Continuous Mode, Default
Averaging)
Input Resistance
ADC Resolution
Input Buffer
(VID0-VID4,TACH1-TACH4)
Low Input Level
High Input Level
V_ILI
V_IHI
2.0
IOD Type Buffer
(SCL, SDA, PWM1, PWM2,
PWM3/ADDRESS ENABLE,
INT#
TYP
MAX UNITS
COMMENTS
±2
% ^{Note 4.1}
±1
LSB
±1
%/V
1.22
1.4
sec Note 4.2
223
248
msec ^{Note 4.3}
140
200
kΩ
10 bits Note 4.6
0.8
V
Vcc+0.3 V
Low Input Level
High Input Level
Hysteresis
Low Output Level
Leakage Current
(ALL - Digital)
Input High Current
Input Low Current
Digital Input Capacitance
V_CC Supply Current
Active Mode
Sleep Mode
Shutdown Mode
V_ILI
V_IHI
V_HYS
V_OL
0.8
V
2.0
Vcc+0.3 V
500
mV
0.4
V
I_OL = +4.0 mA (Note 4.5)
(Note 4.4)
ILEAK_IH
ILEAK_IL
C_IN
I_CC
I_CC
I_CC
10
µA
V_IN = V_CC
-10
µA
V_IN = 0V
10
pF
All outputs open, all
inputs transitioning
3
mA ^{from/to 0V to/from 3.3V.}
500
µA
3
µA
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
13
DATASHEET
Revision 0.2 (06-14-06)