LM4051 Datasheet | National Semiconductor

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 stabilizing 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 adjustable 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 m A. The LM4051 es 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. Key Specifications (LM4051-1.2) n Output voltage tolerance (A grade, 25˚C) n Low output noise (10 Hz to 10k Hz) n Wide operating current range n Industrial temperature range (tempco guaranteed from - 40˚C to +125˚C) n Low temperature coefficient ± 0.1%(max) 20µVrms 60µA to 12m A - 40˚C to +85˚C 50 ppm/˚C (max) Applications n n n n n n n n n n n Portable, Battery-Powered Equipment Data Acquisition Systems Instrumentation Process Control Energy Management Automotive and Industrial Precision Audio ponents Base Stations Battery Chargers Medical Equipment munication Features n n n n Small packages: SSOT-23 No output capacitor required Tolerates capacitive loads Reverse breakdown voltage options of 1.225V and adjustable Connection Diagrams SSOT-23 DS101222-1 DS101222-40 - This pin must be left floating or connected to pin 2. Top View See NS Package Number MF03A © 2000 National Semiconductor Corporation DS101222 .national. Ordering Information Reverse Breakdown Voltage Tolerance at 25˚C and...