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1 Distributed by: The content and copyrights of the attached material are the property of its owner.
2 298 AND 2982 Data Sheet 29k V S UDN298A GND Dwg. No. A-, 2 Note that the UDN298A series (dual in-line package) and UDN298LW series (small-outline IC package) are electrically identical and share a common terminal number assignment. ABSOLUTE MAXIMUM RATINGS at 2 C Free-Air Temperature Output Voltage Range, V CE V to V Input Voltage, V IN UDN298A V UDN2982A, UDN2982LW, and, A2982SLW V Output Current, I OUT ma Package Power Dissipation, P D See Graph Operating Temperature Range, T A C to +8 C Storage Temperature Range, T S C to + C Recommended for high-side switching applications that benefit from separate logic and load grounds, these devices encompass load supply voltages to V and output currents to - ma. These 8-channel source drivers are useful for interfacing between low-level logic and high-current loads. Typical loads include relays, solenoids, lamps, stepper and/or servo motors, print hammers, and LEDs. All devices may be used with V logic systems TTL, Schottky TTL, DTL, and V CMOS. The UDN298A, UDN2982A, and A2982SLW are electrically interchangeable, will withstand a maximum output off voltage of V, and operate to a minimum of V. All devices in this series integrate input current limiting resistors and output transient suppression diodes, and are activated by an active high input. The suffix A (all devices) indicates an 8-lead plastic dual in-line package with copper lead frame for optimum power dissipation. Under normal operating conditions, these devices will sustain 2 ma continuously for each of the eight outputs at an ambient temperature of + C and a supply of V. The suffix LW (UDN2982LW only) indicates an 8-lead surfacemountable wide-body SOIC package; the A2982SLW is provided in a 2-lead wide-body SOIC package with improved thermal characteristics. The UDN2982A, UDN2982LW, and A2982SLW drivers are also available for operation over an extended temperature range to - C. To order, change the prefix UDN to UDQ or the suffix SLW to ELW. These packages are available in Pb (lead) free variants (suffix -T ), with % matte-tin leadframe plating. FEATURES TTL, DTL, PMOS, or CMOS Compatible Inputs ma Output Source Current Capability Transient-Protected Outputs Output Breakdown Voltage to V DIP or SOIC Packaging Always order by complete part number, e.g., UDN298A-T. Note that all devices are not available in all package styles.
3 Selection Guide Part Number Pb-free Package Packing A2982ELW-T Yes 2-pin SOICW 7 per tube Ambient Temperature ( C) to 8 A2982ELWTR-T Yes 2-pin SOICW per reel to 8 A2982SLW-T Yes 2-pin SOICW 7 per tube 2 to 8 A2982SLWTR-T Yes 2-pin SOICW per reel 2 to 8 UDN298A-T Yes 8-pin DIP 2 per tube 2 to 8 UDN2982A-T Yes 8-pin DIP 2 per tube 2 to 8 UDN2982LW-T Yes 8-pin SOICW per tube 2 to 8 UDN2982LWTR-T Yes 8-pin SOICW per reel 2 to 8 UDQ2982LW-T Yes 8-pin SOICW per tube to 8 UDQ2982LWTR-T Yes 8-pin SOICW per reel to 8 Pb-based variants are being phased out of the product line. Some variants cited in this footnote are in production but have been determined to be LAST TIME BUY or NOT FOR NEW DESIGN. This classification indicates that sale of this device is currently restricted to existing customer applications. The variants should not be purchased for new design applications because obsolescence in the near future is probable. Samples are no longer available. For LAST TIME BUY: status change: October, 26. Deadline for receipt of LAST TIME BUY orders: April 27, 27. These variants include: A2982ELW, A2982ELWTR, A2982SLW, A2982SLWTR, UDN298A, and UDN2982A. For NOT FOR NEW DESIGN: status change: May, 26. These variants include: UDN2982LW and UDN2982LWTR. 2. Northeast Cutoff, Box 6 Worcester, Massachusetts 6-6 (8) 8-
4 One of Eight Drivers V 9 2 K 7.2 K INP UT K OUTP UT. K GR OUND Dwg. No. A-,22USA A2982SLW 2. +V S NO C ONNE C TION NC NC G R OUND NO C ONNE C TION Dwg. P P -6-2 AL L OWAB L E P AC K AG E P OWE R DIS S IP ATION IN WATTS P IN DIP, R θj A = 6 C /W 2-LE AD S OIC, R J A = 9 C /W 8-LE AD S OIC, R J A = 9 C /W 7 2 AMB IE NT TE MP E R ATUR E IN C Dwg. G P -22-A 2 Northeast C utoff, B ox 6 Worcester, Massachusetts 6-6 (8) 8-
5 ELECTRICAL CHARACTERISTICS at T A = +2 C (unless otherwise specified). Applicable Test Limits Characteristic Symbol Devices Test Conditions Fig. Min. Typ. Max. Units Output Leakage Current I CEX All V IN =. V*, V S = V, T A = +7 C 2 µa Output Sustaining V CE(SUS) All I OUT = - ma V Voltage Collector-Emitter V CE(SAT) All V IN = 2. V, I OUT = - ma V Saturation Voltage VIN = 2. V, I OUT = -22 ma V V IN = 2. V, I OUT = - ma V Input Current I IN(ON) UDN298A V IN = 2. V 2 µa V IN =.8 V µa 2982 V IN = 2. V 2 µa = 2 V.2.9 ma V IN Output Source Current l OUT UDN298A V IN = 2. V, V CE = 2. V 2 - ma (Outputs Open) 2982 V IN = 2. V, V CE = 2. V 2 - ma Supply Current I S All V IN = 2. V*, V S = V ma Leakage Current Clamp Diode I R All V R = V, V IN =. V* µa Clamp Diode V F All I F = ma V Turn-On Delay t ON All. E IN to. E OUT, = Ω,. 2. µs V S = V Turn-Off Delay t OFF All. E IN to. E OUT, = Ω, 2. µs V S = V, See Note NOTES: Turn-off delay is influenced by load conditions. Systems applications well below the specified output loading may require timing considerations for some designs, i.e., multiplexed displays or when used in combination with sink drivers in a totem pole configuration. All unused inputs must be connected to ground. Pulldown resistors ( kω) are recommended for inputs that are allowed to float while power is being applied to V S. Negative current is defined as coming out of (sourcing) the specified device terminal. * All inputs simultaneously. Complete part number includes a prefix (A or UDN) and a suffix (A or SLW) as follows: UDN298A, UDN2982A, UDN2982LW, or A2982SLW.
6 TEST FIGURES Figure Figure 2 Figure VS V S V S V V CE ma I IN ma OPEN V IN µa I CEX V IN I OUT V IN Dwg. No. A-,8 Dwg. No. A-,8 Dwg. No. A-,8 Figure Figure Figure 6 V S V S OPEN I S ma I R µa OPEN OPEN V IN V IN V F V I F Dwg. No. A-,86 Dwg. No. A-,87 Dwg. No. A-,88 Northeast Cutoff, Box 6 Worcester, Massachusetts 6-6 (8) 8-
7 Allowable peak collector current as a function of duty cycle Series UDN298A ALLOWABLE PEAK COLLECTOR CURRENT IN ma AT C 2 2 RECOMMENDED MAXIMUM OUTPUT CURRENT V = V S NUMBER OF OUTPUTS CONDUCTING SIMULTANEOUSLY ALLOWABLE PEAK COLLECTOR CURRENT IN ma AT 7 C 2 2 RECOMMENDED MAXIMUM OUTPUT CURRENT V = V S NUMBER OF OUTPUTS CONDUCTING SIMULTANEOUSLY PER CENT DUTY CYCLE PER CENT DUTY CYCLE Dwg. No. A-,6B Dwg. No. A-,B UDN298A and UDN2982A ALLOWABLE PEAK COLLECTOR CURRENT IN ma AT C 2 2 RECOMMENDED MAXIMUM OUTPUT CURRENT V = V S NUMBER OF OUTPUTS CONDUCTING SIMULTANEOUSLY ALLOWABLE PEAK COLLECTOR CURRENT IN ma AT 7 C 2 2 RECOMMENDED MAXIMUM OUTPUT CURRENT NUMBER OF OUTPUTS CONDUCTING SIMULTANEOUSLY V = V S 2 6 PER CENT DUTY CYCLE Dwg. No. A-,7B 2 6 PER CENT DUTY CYCLE Dwg. No. A-,8B
8 Input current as a function of input voltage Typical electrosensitive printer application 2. ELECTRODES 2. IN 8 INPUT CURRENT, I IN (ma)... MAXIMUM TYPICAL IN 2 IN IN IN IN 6 IN INPUT VOLTAGE (VOLTS) IN 8 V S 8 9 Dwg. No. A-,B Dwg. No. A-,A 6 Northeast Cutoff, Box 6 Worcester, Massachusetts 6-6 (8) 8-
9 8 UDN298A and UDN2982A Dimensions in Inches (controlling dimensions) MAX MIN.2 MAX. MIN Dwg. MA--8A in 8 Dimensions in Millimeters (for reference only) MAX MIN. MAX.9 MIN Dwg. MA--8A mm NOTES:. Exact body and lead configuration at vendor s option within limits shown. 2. Lead spacing tolerance is non-cumulative.. Lead thickness is measured at seating plane or below.. Supplied in standard sticks/tubes of 2 devices. 7
10 UDN2982LW (add TR to part number for tape and reel) Dimensions in Inches (for reference only) TO MIN. Dwg. MA-8-8A in 8 Dimensions in Millimeters (controlling dimensions) TO MIN. Dwg. MA-8-8A mm NOTES:. Exact body and lead configuration at vendor s option within limits shown. 2. Lead spacing tolerance is non-cumetive.. Supplied in standard sticks/tubes of devices or add TR to part number for tape and reel. 8 Northeast Cutoff, Box 6 Worcester, Massachusetts 6-6 (8) 8-
11 A2982SLW (add TR to part number for tape and reel) Dimensions in Inches (for reference only) TO MIN. Dwg. MA-8-2 in 2 Dimensions in Millimeters (controlling dimensions) TO MIN. Dwg. MA-8-2 mm NOTES:. Exact body and lead configuration at vendor s option within limits shown. 2. Lead spacing tolerance is non-cumulative.. Supplied in standard sticks/tubes of 7 devices or add TR to part number for tape and reel. 9
12 Copyright 977, 27, Allegro MicroSystems, Inc. The products described here are manufactured under one or more U.S. patents or U.S. patents pending. Allegro MicroSystems, Inc. reserves the right to make, from time to time, such departures from the detail specifications as may be required to permit improvements in the performance, reliability, or manufacturability of its products. Before placing an order, the user is cautioned to verify that the information being relied upon is current. Allegro s products are not to be used in life support devices or systems, if a failure of an Allegro product can reasonably be expected to cause the failure of that life support device or system, or to affect the safety or effectiveness of that device or system. The information included herein is believed to be accurate and reliable. However, Allegro MicroSystems, Inc. assumes no responsibility for its use; nor for any infringement of patents or other rights of third parties which may result from its use. For the latest version of this document, visit our website: Northeast Cutoff, Box 6 Worcester, Massachusetts 6-6 (8) 8-
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