XR-2278 - Dot and Bar Graph Display Generators

Product Overview

Exar

Datasheet Details

Part number	XR-2278
Manufacturer	Exar
File Size	288.61 KB
Description	Dot and Bar Graph Display Generators
Datasheet	XR-2278 Datasheet
Note	This datasheet PDF includes multiple part numbers: XR-2278, XR-2277. Please refer to the document for exact specifications by model.
Additional preview pages of the XR-2278 datasheet.

Product details

Description

FUNCTIONAL BLOCK DIAGRAM The XR-2277 and XR-2278 are 12 point level detector circuits designed for direct interfacing to light emitting diode (LED) moving-dot or bar-graph displays.Each of the circuits is comprised of an input buffer amplifier and 12 comparators, biased from a resistor string at logarithmic intervals.Accuracy is enhanced by an internal reference.Each comparator provides a high impedance current source output which are all very closely matched and simultaneously adjustable w

Features

High Impedance Buffered Input Direct LED Interface Constant Current Outputs External Dot/Bar Mode Select.

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Other Datasheets by Exar

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Published: Apr 6, 2018 |