A3964SB Allegro Microsystems Inc, A3964SB Datasheet - Page 2

• Manufacturer Part Number: A3964SB
• Description: IC MOTOR DRIVER PWM DUAL 24-DIP
• Manufacturer: Allegro Microsystems Inc

Specifications of A3964SB

• Applications: Stepper Motor Driver
• Number Of Outputs: 1
• Current - Output: ±800mA
• Voltage - Load: 5 V ~ 30 V
• Voltage - Supply: 4.75 V ~ 5.25 V
• Operating Temperature: -20°C ~ 85°C
• Mounting Type: Through Hole
• Package / Case: 24-DIP (0.300", 7.62mm)
• Operating Current: 85mA
• Operating Temperature Classification: Commercial
• Package Type: PDIP
• Operating Supply Voltage (min): 4.75V
• Operating Supply Voltage (max): 5.25V
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

3964
DUAL FULL-BRIDGE
PWM MOTOR DRIVER
5
4
3
2
1
0
25
ENABLE 1
PHASE 1
SUFFIX 'LB', R
50
R T
SUFFIX 'B', R
TEMPERATURE IN C
10
9
ONE SHOT
75
SOURCE
DISABLE
JA
= 60 C/W
8
JA
C T
R
V
= 40 C/W
17
JT
100
CC
= 6.0 C/W
125
+
–
Dwg. GP-049-4
2
FUNCTIONAL BLOCK DIAGRAM
3
REFERENCE
150
1
(A3964SLB pinning shown)
2.5 V
14
1
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 [phone]
Copyright © 1997 Allegro MicroSystems, Inc.
R A
R S
7
V
V
REF(IN)
BB
4
R B
5
6 15 16
CONNECT.
CONNECT.
18
GROUND
GROUND
ENABLE
SENSE
SUPPLY
PHASE
V
OUT
OUT
REF(IN)
LOAD
2
RC
R S
NO
NO
1B
1A
20
1
1
1
1
19
10
11
12
8
9
1
2
3
4
5
6
7
9
NC
NC
1
+
–
A3964SB
1
V
BB
ONE SHOT
C T
& TSD
UVLO
SOURCE
DISABLE
2
13
V
NC
NC
CC
2
12
11
19
24
23
20
18
13
22
21
17
16
15
14
Dwg. FP-033-1
ENABLE 2
PHASE 2
R T
OUT
OUT
LOGIC
SUPPLY
GROUND
V
RC
PHASE
ENABLE
NO
CONNECT.
NO
CONNECT.
SENSE
GROUND
Dwg. PP-005-2
REF(OUT)
2
2B
2A
2
2
2