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ULN2803Datasheet PDF
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This is information on a product in full production.
November 2012 Doc ID 1536 Rev 3 1/14
14
ULN2801A, ULN2802A,
ULN2803A, ULN2804A
Eight Darlington array
Datasheet − production data
Features
■ Eight Darlington transistors with common
emitters
■ Output current to 500 mA
■ Output voltage to 50 V
■ Integral suppression diodes
■ Versions for all popular logic families
■ Output can be paralleled
■ Inputs pinned opposite outputs to simplify
board layout
Description
The ULN2801A, ULN2802A, ULN2803A and
ULN2804A each contain eight Darlington
transistors with common emitters and integral
suppression diodes for inductive loads. Each
Darlington features a peak load current rating of
600 mA (500 mA continuous) and can withstand
at least 50 V in the OFF state. Outputs may be
paralleled for higher current capability.
Four versions are available to simplify interfacing
to standard logic families: the ULN2801A is
designed for general purpose applications with a
current limit resistor; the ULN2802A has a 10.5
kΩ input resistor and Zener for 14-25 V PMOS;
the ULN2803A has a 2.7 kΩ input resistor for 5 V
TTL and CMOS; the ULN2804A has a 10.5 kΩ
input resistor for 6-15 V CMOS.
All types are supplied in an 18-lead plastic DIP
with a copper lead form and feature the
convenient input-opposite-output pinout to
simplify board layout.
DIP-18
Table 1. Device summary
Order codes Package
ULN2801A
DIP-18
ULN2802A
ULN2803A
ULN2804A
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