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TTL, DTL, PMOS, CMOS compatible inputs output source current capabilit


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2981 2982 8-Channel Source Drivers
TTL, DTL, PMOS, CMOS compatible inputs output source current capability Transient-protected outputs Output breakdown voltage SOIC packaging
Recommended high-side switching applications that benefit from separate logic load grounds, these devices encompass load supply voltages output currents -500 These 8-channel source drivers useful interfacing between low-level logic high-current loads. Typical loads include relays, solenoids, lamps, stepper and/or servo motors, print hammers, LEDs. devices used with logic systems TTL, Schottky TTL, DTL, CMOS. device packages offered electrically interchangeable, will withstand maximum output voltage operate minimum devices this series integrate input current limiting resistors output transient suppression diodes, activated active high input. suffix indicates 18-lead plastic dual in-line package with copper lead frame optimum power dissipation. Under normal operating conditions, these devices will sustain continuously each eight outputs ambient temperature +50°C supply suffix "LW" packages provided 20-lead widebody SOIC package with improved thermal characteristics. A2982ELW drivers available operation over extended temperature range -40°C. These packages (lead) free (suffix `-T'), with 100% matte-tin leadframe plating.
Packages:
18-pin (suffix
20-pin SOICW (suffix
scale
Simplified Block Diagram
18-pin Package
29310L
20-pin Package pins omitted 18-pin package)
2981 2982
8-Channel Source Drivers
Selection Guide1
Part Number Pb-free Package Packing Ambient Temperature (°C)
A2982ELW-T A2982ELWTR-T A2982SLW-T A2982SLWTR-T UDN2981A-T UDN2982A-T
1Pb-based
20-pin SOICW 20-pin SOICW 20-pin SOICW 20-pin SOICW 18-pin 18-pin
tube 1000 reel tube 1000 reel tube tube
variants being phased product line. Some variants cited this footnote production have been determined LAST TIME BUY. This classification indicates that sale this device currently restricted existing customer applications. variants should purchased design applications because obsolescence near future probable. Samples longer available. Status change April 2007. Deadline receipt LAST TIME orders: August 2007; these variants include: UDN2982LW, UDN2982LW-T, UDN2982LWTR, UDN2982LWTR-T, UDQ2982LW-T, UDQ2982LWTR-T.
Absolute Maximum Ratings
Characteristic Output Voltage Range Input Voltage Output Current Package Power Dissipation Operating Ambient Temperature Maximum Junction Temperature Storage Temperature Symbol IOUT TJ(max) Tstg graph Range Range UDN2981 A2982, UDN2982 Notes Rating -500 Units
Allegro MicroSystems, Inc. Northeast Cutoff Worcester, Massachusetts 01615-0036 U.S.A. 1.508.853.5000; www.allegromicro.com
2981 2982
8-Channel Source Drivers
Eight Drivers
18-P
20-LE
Dwg. -022-4A
Copyright 1977, 2001 Allegro MicroSystems, Inc.
Allegro MicroSystems, Inc. Northeast Cutoff Worcester, Massachusetts 01615-0036 U.S.A. 1.508.853.5000; www.allegromicro.com
2981 2982
8-Channel Source Drivers
ELECTRICAL CHARACTERISTICS1 +25°C (unless otherwise specified).
Characteristic Output Leakage Current2 Output Sustaining Voltage Collector-Emitter Saturation Voltage Symbol ICEX VCE(SUS) VCE(SAT) Variant Test Conditions +70°C IOUT IOUT -100 IOUT -225 IOUT -350 2981 Input Current IIN(ON) 2982 Output Source Current (Outputs Open) Supply Current Leakage Current Clamp Diode Current Clamp Diode Forward Voltage Turn-On Delay Turn-Off Delay3
1Negative 2All
Test Fig.
Min. -350 -350
Typ. 1.25
Max. 1.93
Units
3.85 EOUT, 100, EOUT, 100, Note
lOUT tOFF
2981 2982
current defined coming (sourcing) specified device terminal.
inputs simultaneously.
3Turn-off
delay influenced load conditions. Systems applications well below specified output loading require timing considerations some designs, i.e., multiplexed displays when used combination with sink drivers totem pole configuration.
Allegro MicroSystems, Inc. Northeast Cutoff Worcester, Massachusetts 01615-0036 U.S.A. 1.508.853.5000; www.allegromicro.com
2981 2982
8-Channel Source Drivers
TEST FIGURES
Figure
Figure
Figure
OPEN
Dwg. A-11,083
Dwg. A-11,084
Dwg. A-11,085
Figure
OPEN
Figure
Figure
OPEN
OPEN
Dwg. A-11,086
Dwg. A-11,087
Dwg. A-11,088
Allegro MicroSystems, Inc. Northeast Cutoff Worcester, Massachusetts 01615-0036 U.S.A. 1.508.853.5000; www.allegromicro.com
2981 2982
8-Channel Source Drivers
Allowable peak collector current function duty cycle
UDN2981A UDN2982A
ALLOWABLE PEAK COLLECTOR CURRENT 50°C
RECOMMENDED MAXIMUM OUTPUT CURRENT
ALLOWABLE PEAK COLLECTOR CURRENT 70°C
RECOMMENDED MAXIMUM OUTPUT CURRENT
NUMBER OUTPUTS CONDUCTING SIMULTANEOUSLY
NUMBER OUTPUTS CONDUCTING SIMULTANEOUSLY
CENT DUTY CYCLE
CENT DUTY CYCLE
Dwg. A-11,107B
Dwg. A-11,108B
Input current function input voltage
Typical electrosensitive printer application
ELECTRODES
INPUT CURRENT, (mA)
INPUT VOLTAGE (VOLTS)
Dwg. A-11,115B
Dwg. A-11,113A
Allegro MicroSystems, Inc. Northeast Cutoff Worcester, Massachusetts 01615-0036 U.S.A. 1.508.853.5000; www.allegromicro.com
2981 2982
8-Channel Source Drivers
Package, 18-Pin
0.900 0.010 0.250 0.430 0.300
0.210 0.130 0.005 0.060 0.018 0.100
dimensions nominal, tooling (reference JEDEC MS-001 Dimensions inches Dimensions exclusive mold flash, gate burrs, dambar protrusions Exact case lead configuration supplier discretion within limits shown Terminal mark area
Package, 18-Pin SOICW
11.55 0.27
7.50
10.30
0.84
0.25
0.10 0.41 1.27 0.20
SEATING PLANE 2.65
SEATING PLANE GAUGE PLANE
dimensions nominal, tooling Dimensions millimeters (reference JEDEC MS-013 Dimensions exclusive mold flash, gate burrs, dambar protrusions Exact case lead configuration supplier discretion within limits shown Terminal mark area
Allegro MicroSystems, Inc. Northeast Cutoff Worcester, Massachusetts 01615-0036 U.S.A. 1.508.853.5000; www.allegromicro.com
2981 2982
8-Channel Source Drivers
Package, 20-Pin SOICW
12.80 0.27
7.50
10.30
0.84
0.25
0.10 0.41 1.27 0.20 dimensions nominal, tooling Dimensions millimeters (reference JEDEC MS-013 Dimensions exclusive mold flash, gate burrs, dambar protrusions Exact case lead configuration supplier discretion within limits shown Terminal mark area
SEATING PLANE 2.65
SEATING PLANE GAUGE PLANE
Copyright ©1977, 2007, Allegro MicroSystems, Inc. products described here manufactured under more U.S. patents U.S. patents pending. Allegro MicroSystems, Inc. reserves right make, from time time, such departures from detail specifications required permit improvements performance, reliability, manufacturability products. Before placing order, user cautioned verify that information being relied upon current. Allegro's products used life support devices systems, failure Allegro product reasonably expected cause failure that life support device system, affect safety effectiveness that device system. information included herein believed accurate reliable. However, Allegro MicroSystems, Inc. assumes responsibility use; infringement patents other rights third parties which result from use. latest version this document, visit website: www.allegromicro.com
Allegro MicroSystems, Inc. Northeast Cutoff Worcester, Massachusetts 01615-0036 U.S.A. 1.508.853.5000; www.allegromicro.com

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