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LM4051AIM3-1.2 +BOM

Fixed & adjustable, precision micropower shunt voltage reference

LM4051AIM3-1.2 Allgemeine Beschreibung

Ideal for space critical applications, the LM4051-N precision voltage reference is available in the sub-miniature (3 mm x 1.3 mm) SOT-23 surface-mount package. The LM4051-N’s advanced design eliminates the need for an external stabilizing capacitor while ensuring stability with any capacitive load, thus making the LM4051-N 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-N 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-N 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.

Hauptmerkmale

  • No Output Capacitor Required
  • Tolerates Capacitive Loads
  • Reverse Breakdown Voltage Options of 1.225 V and Adjustable
  • Key Specifications:
    • Output Voltage Tolerance (A Grade, 25 ̊C) ± 0.1% (Maximum)
    • Output Noise (10 Hz to 10 kHz) 20 µV rms
    • Operating Current Range: 60 µA to 12 mA
    • Industrial Temp. Range: −40 ̊C to +85 ̊C
    • Extended Temp. Range: −40 ̊C to +125 ̊C
    • Temperature Coefficient: 50 ppm/ ̊C (Maximum)

Spezifikationen

Series - Reference Type Shunt
Output Type Fixed Voltage - Output (Min/Fixed) 1.225V
Current - Output 12 mA Tolerance ±0.1%
Temperature Coefficient 50ppm/°C Noise - 0.1Hz to 10Hz -
Noise - 10Hz to 10kHz 20µVrms Voltage - Input -
Current - Supply - Current - Cathode 65 µA
Operating Temperature -40°C ~ 85°C (TA) Mounting Type Surface Mount
Base Product Number LM4051

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