a4982 Allegro MicroSystems, Inc., a4982 Datasheet - Page 18
a4982
Manufacturer Part Number
a4982
Description
Dmos Microstepping Driver With Translator And Overcurrent Protection
Manufacturer
Allegro MicroSystems, Inc.
Datasheet
1.A4982.pdf
(19 pages)
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A4982
33X
0.50±0.10
0.08
D
0.25±0.10
C
ET Package, 32-Contact QFN with Exposed Thermal Pad
1
2
1
2
32
32
0.50 BSC
A
5.00 ±0.15
3.40
DMOS Microstepping Driver with Translator
B
5.00 ±0.15
3.40
0.90 ±0.10
SEATING
PLANE
C
A Terminal #1 mark area
B Exposed thermal pad (reference only, terminal #1
C Reference land pattern layout (reference
D Coplanarity includes exposed thermal pad and terminals
For Reference Only; not for tooling use
(reference JEDEC MO-220VHHD-6)
Dimensions in millimeters
Exact case and lead configuration at supplier discretion within limits shown
identifier appearance at supplier discretion)
IPC7351 QFN50P500X500X100-33V6M);
All pads a minimum of 0.20 mm from all adjacent pads; adjust as
necessary to meet application process requirements and PCB layout
tolerances; when mounting on a multilayer PCB, thermal vias at the
exposed thermal pad land can improve thermal dissipation (reference
EIA/JEDEC Standard JESD51-5)
1.00
1
2
C
32
PCB Layout Reference View
and Overcurrent Protection
1
0.30
3.40
5.00
0.50
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
3.40
5.00
18