A3983SLP Allegro Microsystems Inc, A3983SLP Datasheet - Page 4

• Manufacturer Part Number: A3983SLP
• Description: IC DRIVER MICROSTEPPING 24-TSSOP
• Manufacturer: Allegro Microsystems Inc

Specifications of A3983SLP

• Applications: Stepper Motor Driver
• Number Of Outputs: 1
• Current - Output: ±2A
• Voltage - Load: 8 V ~ 35 V
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -20°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-TSSOP Exposed Pad, 24-eTSSOP, 24-HTSSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

A3983
Figure 1. Logic Interface Timing Diagram
RESET, or DIR
MS1, MS2,
STEP
STEP minimum, HIGH pulse width
STEP minimum, LOW pulse width
Setup time, input change to STEP
Hold time, input change to STEP
Table 1. Microstep Resolution Truth Table
MS1
H
H
L
L
Time Duration
DMOS Microstepping Driver with Translator
MS2
H
H
t
L
L
C
Full Step
Half Step
Quarter Step
Eighth Step
Microstep Resolution
t
D
t
A
Symbol
t
t
t
t
A
B
C
D
2 Phase
1-2 Phase
W1-2 Phase
2W1-2 Phase
Excitation Mode
Typ.
200
200
1
1
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com
t
Unit
B
μs
μs
ns
ns
4