LM394 LM194/LM394 Supermatch Pair

National Semiconductor

Description

www.DataSheet4U.com LM194 LM394 Supermatch Pair December 1994 LM194 LM394 Supermatch Pair General .
The LM194 and LM394 are junction isolated ultra wellmatched monolithic NPN transistor pairs with an order of magnitude improvement in matching over co.

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Datasheet Specifications

Part number: LM394
Manufacturer: National Semiconductor
File Size: 238.59 KB
Datasheet: LM394_NationalSemiconductor.pdf
Description: LM194/LM394 Supermatch Pair

Features

* Y Y Y Y Y Y Y Y Emitter-base voltage matched to 50 mV Offset voltage drift less than 0 1 mV C Current gain (hFE) matched to 2% Common-mode rejection ratio greater than 120 dB Parameters guaranteed over 1 mA to 1 mA collector current Extremely low noise Superior logging characteristics compared to

Applications

* To guarantee long term stability of matching parameters internal clamp diodes have been added across the emitterbase junction of each transistor These prevent degradation due to reverse biased emitter current the most common cause of field failures in matched devices The parasitic isolation junction

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LM394 LM194 LM394 Supermatch Pair National Semiconductor

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