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LM4051CIM3X-1.2 Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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LM4051CIM3X-1.2 Datasheet(HTML) 1 Page - National Semiconductor (TI) |
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1 / 14 page  LM4051 Precision Micropower Shunt Voltage Reference General Description Ideal for space critical applications, the LM4051 precision voltage reference is available in the sub-miniature (3 mm x 1.3 mm) SSOT-23 surface-mount package. The LM4051’s advanced design eliminates the need for an external stabiliz- ing capacitor while ensuring stability with any capacitive load, thus making the LM4051 easy to use. Further reducing design effort is the availability of a fixed (1.225V) and adjust- able reverse breakdown voltage. The minimum operating current is 60 µA for the LM4051-1.2 and the LM4051-ADJ. Both versions have a maximum operating current of 12 mA. The LM4051 comes in three grades (A, B, and C). The best grade devices (A) have an initial accuracy of 0.1%, while the B-grade have 0.2% and the C-grade 0.5%, all with a tempco of 50 ppm/˚C guaranteed from −40˚C to 125˚C. The LM4051 utilizes fuse and zener-zap trim of reference voltage during wafer sort to ensure that the prime parts have an accuracy of better than ±0.1% (A grade) at 25˚C. Features n Small packages: SSOT-23 n No output capacitor required n Tolerates capacitive loads n Reverse breakdown voltage options of 1.225V and adjustable Key Specifications (LM4051-1.2) n Output voltage tolerance (A grade, 25˚C) ±0.1%(max) n Low output noise (10 Hz to 10kHz) 20µV rms n Wide operating current range 60µA to 12mA n Industrial temperature range (tempco guaranteed from −40˚C to +125˚C) −40˚C to +85˚C n Low temperature coefficient 50 ppm/˚C (max) Applications n Portable, Battery-Powered Equipment n Data Acquisition Systems n Instrumentation n Process Control n Energy Management n Automotive and Industrial n Precision Audio Components n Base Stations n Battery Chargers n Medical Equipment n Communication Connection Diagrams SSOT-23 DS101222-1 *This pin must be left floating or connected to pin 2. DS101222-40 Top View See NS Package Number MF03A February 2000 © 2000 National Semiconductor Corporation DS101222 www.national.com |
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