A3983(2008) 查看數據表（PDF） - Allegro MicroSystems
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A3983 Datasheet PDF : 11 Pages
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A3983
DMOS Microstepping Driver with Translator
STEP
100.00
70.71
Phase 1
IOUT1A 0.00
Direction = H
(%)
–70.71
–100.00
100.00
70.71
Phase 2
IOUT2A 0.00
Direction = H
(%)
–70.71
–100.00
Slow
Slow
STEP
100.00
70.71
Phase 1
IOUT1A 0.00
Direction = H
(%)
Slow
Slow
Slow
Mixed
Mixed
Mixed
–70.71
–100.00
100.00
70.71
Phase 2
IOUT2B 0.00
Direction = H
(%)
Slow Slow
Mixed
Mixed
Slow
Mixed
Slow
–70.71
–100.00
Figure 2. Decay Mode for Full-Step Increments
Figure 3. Decay Modes for Half-Step Increments
STEP
100.00
92.39
70.71
Phase 1
IOUT1A
Direction = H
(%)
38.27
0.00
–38.27
–70.71
–92.39
–100.00
100.00
92.39
70.71
Phase 2
IOUT2B
Direction = H
(%)
38.27
0.00
–38.27
–70.71
–92.39
–100.00
Slow
Slow
Mixed
Mixed
Slow
Figure 4. Decay Modes for Quarter-Step Increments
Slow
Mixed
Mixed
Slow
Slow
Mixed
Allegro MicroSystems, Inc.
7
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
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