Part # LM368 datasheet

Part Manufacturer: National Semiconductor

National Semiconductor

Part Description: LM368-2.5 Precision Voltage Reference

Part Details:

LM368-25 December 1994 LM368-2 5 Precision Voltage Reference Precision General Description Features The LM368-2 5 is a precision monolithic temperature-com- Y 400 mA operating current pensated voltage reference The LM368-2 5 makes use of Y Low output impedance thin-film technology enhanced by the discrete laser trim- Y Excellent line regulation ( 0001% V typical) ming of resistors to achieve excellent Temperature coeffi- Y Single-supply operation Voltage cient (Tempco) of VOUT (as low as 11 ppm C) along with Y Externally trimmable tight initial tolerance (as low as 0 02%) The trim scheme is Y Low temperature coefficient such that individual resistors are cut open rather than being Y Excellent initial accuracy (0 02% typical) trimmed (partially cut) to avoid resistor drift caused by elec- Y tromigration in the trimmed area The LM368-2 5 also pro- Best reference available for low-voltage operation vides excellent stability vs changes in input voltage and (VS e 5V VREF e 2 500V) Reference output current The output is short circuit proof A trim pin ismade available for fine trimming of VOUT or for obtainingintermediate values without greatly affecting the Tempco ofthe device Connection Diagram Metal Can Package (TO-5) TL H 8446 ­ 1 Top View case connected to Vb Order Number LM368H-2 5 LM368YH-2 5 See NS Package Number H08C Typical Applications Low Voltage Reference TL H 8446 ­ 2 C1995 National Semiconductor Corporation TL H 8446 RRD-B30M115 Printed in U S A Absolute Maximum Ratings (Note 7)If Military Aerospace specified devices are required Soldering Information please contact the National Semiconductor Sales TO-5 (H) Package (10 sec ) a 300 C

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LM368.pdf Datasheet