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LM169H データシート(PDF) 1 Page - National Semiconductor (TI) |
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LM169H データシート(HTML) 1 Page - National Semiconductor (TI) |
1 / 14 page TLH9110 December 1994 LM169LM369 Precision Voltage Reference General Description The LM169LM369 are precision monolithic temperature- compensated voltage references They are based on a bur- ied zener reference as pioneered in the LM199 references but do not require any heater as they rely on special tem- perature-compensation techniques (Patent Pending) The LM169 makes use of thin-film technology enhanced by the discrete laser trimming of resistors to achieve excellent Temperature coefficient (Tempco) of Vout (as low as 1 ppm C) along with tight initial tolerances (as low as 005% max) The trim scheme is such that individual resistors are cut open rather than being trimmed (partially cut) to avoid resistor drift caused by electromigration in the trimmed area The LM169 also provides excellent stability vs changes in input voltage and output current (both sourcing and sinking) The devices have a 10000V output and will operate in ei- ther series or shunt mode the output is short-circuit-proof to ground A trim pin is available which permits fine-trimming of Vout and also permits filtering to greatly decrease the out- put noise by adding a small capacitor (005 to 05 mF) Features Y Low Tempco 3 ppm C (max) Y Excellent initial accuracy g 5 mV (max) Y Excellent line regulation 4 ppmV (max) Y Excellent output impedance g 08X (max) Y Excellent thermal regulation g 20 ppm100 mW (max) Y Low noise Y Easy to filter output noise Y Operates in series or shunt mode Applications Y High-Resolution Data Acquisition Systems Y Digital volt meters Y Weighing systems Y Precision current sources Y Test Equipment Connection Diagrams Metal Can Package (H) TLH9110 – 1 Top View (Case is connected to ground) Do not connect internal connection for factory trims Order Number LM169H LM169BH LM169H883 LM369H or LM369BH See NS Package Number H08C Dual-In-Line Package (N) or SO Package (M) TLH9110 – 5 Top View Order Number LM369DM LM369DMX LM369N LM369BN LM369CN or LM369DN See NS Package Number M08A or N08E X denotes 2500 units on Tape and Reel and is not included in the device part number marking TO-226 Plastic Package (RC) TLH9110 – 28 Bottom View Order Number LM369DRC See NS Package Number RC03A Teflon and Mylar are registered trademarks of EI DuPont Corp C1995 National Semiconductor Corporation RRD-B30M115Printed in U S A |
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同様の説明 - LM169H |
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