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SAA1042 View Datasheet(PDF) - Motorola => Freescale

Part Name
Description
View to exact match
SAA1042
Motorola
Motorola => Freescale Motorola
SAA1042 Datasheet PDF : 6 Pages
1 2 3 4 5 6
SAA1042
Figure 2. Bias Resistor RB versus Motor Current
500
300
200
VM = 12 V
VM = 24 V
100
70
50
VM = 6.0 V
30
20
10
0
20 30 40 50 60 80 100
200 300 400 500
MOTOR CURRENT/COIL (mA)
Figure 3. Drive Stage Power Dissipation
5.0
4.0
3.0
2.0
VM = 24 V
VM = 12 V
VM = 6.0 V
1.0
0.7
0.5
0.3
0.2
0.1
0
20 30 50 70 100
200 300 400 500
MOTOR CURRENT/COIL (mA)
Figure 4. Clamp Diode Forward Current
versus Forward Voltage
500
400
300
200
100
0
0
1.0
2.0
3.0
4.0
5.0
VF , FORWARD VOLTAGE (V)
Figure 5. Power Dissipation versus
Logic Supply Voltage
500
300
200
100
70
50
30
20
10
0
5.0
10
15
20
25
VCC , SUPPLY VOLTAGE (V)
Figure 6. Timing Diagram
Full Step Motor Drive Mode. Full/Half Step Input = 0
Clock
Set
CW/CCW
L1
L2
L3
L4
Half Step Motor Drive Mode. Full/Half Step Input = 1
Clock
Set
CW/CCW
L1
L2
L3
L4
Don’t Care
High Output Impedance
4
MOTOROLA ANALOG IC DEVICE DATA
 

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