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AMC8500 Datasheet, PDF (3/27 Pages) List of Unclassifed Manufacturers – TWO PHASE VARIABLE SPEED FAN MOTOR CONTROLLER
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Preliminary Specification
aMC8500
Electrical Characteristics
(V D D = 1 2 V, T A = 25°C, unless otherwise noted. Specifications subject to change without notice [Note 3].)
Parameter
Symbol Min Typ Max
SPEED CONTROL (Pin 10) and MINIMUM SPEED SET (Pin 6)
Input Threshold Voltage
Pin 14 = Gnd
0% Drive Conduction
100% Drive Conduction
Pin 14 = Open
0% Drive Conduction
100% Drive Conduction
Speed Control Input Threshold Voltage for Power Down (IO(ref) ≤1.0 mA)
Input Voltage Below 0% Drive Conduction, Vth(0%), Pin 14 = Gnd
Input Voltage Above 0% Drive Conduction, Vth(0%), Pin 14 = Open
Speed Control Input PWM Signal Transition Time
Maximum allowable rise or fall time for digital control
Input Bias Current, (Vin = 3.5 V)
Modulation Frequency
SLOPE SELECT (Pin 14)
Vth(0%)
0.95
1.0
1.05
Vth (100%)
2.85
3.0
3.15
Vth(0%)
2.85
3.0
3.15
Vth(100%)
0.95
1.0
1.05
Vth(PD)
-
20
-
-
20
-
tr/tf
-
-
50
IIB
fPWM
-
1.0
-
-
30
-
Input Threshold Voltage
Low State
Increasing voltage at Pin 6, 10 causes increase in drive conduction
High State
Increasing voltage at Pin 6, 10 causes decrease in drive conduction
Low State Input Pull-Up Current (VIL(S) = 0 V)
HALL AMPLIFIER (Pin 3, 4)
Input Differential Voltage Sensitivity
Required signal level to enable drive commutation
Input Hysteresis Voltage (Vin = 3.5 V)
Input Resistance
Input Common Mode Voltage Range
OP AMP (Pin 7, 8, 9)
Input Offset Voltage (Vin = 3.5V)
Input Bias Current (Vin = Gnd)
Input Common Mode Voltage Range
Open Loop Voltage Gain
Gain Bandwidth Product (f = 10 kHz)
Output Voltage Swing
High State (Isource = 5.0 mA to Gnd)
Low State (Isink = 5.0 mA to VDD)
VIL(S)
VIH(S)
II(S)
-
-
1.0
2.8
-
-
-
10
-
VID(Hall)
-
20
40
VIH(Hall)
-
10
-
RIN(Hall)
-
3.0
-
-0.3
VICM(Hall)
0 to
VDD
to
VDD
-
+0.3
VIO
-
2.0
-
IIB
-
50
-
VICM(OA)
-
0 to
4.2
-
AVOL
80
100
-
GBW
-
70
-
VDD
VOH(OA)
-
-1.5
-
VOL(OA)
-
0.5
-
Units
V
mV
µs
µA
kHz
V
µA
mVpp
mV
MΩ
V
mV
nA
V
dB
kHz
V
© Andigilog, Inc. 2006
-3-
www.andigilog.com
August 2006 - 70A04018
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