1 Features

1• SOT-23 AEC Q-100 Grades 1 and 3 Available

• Small Packages: SOT-23, TO-92, and SC70

• No Output Capacitor Required

• Tolerates Capacitive Loads

• Fixed Reverse Breakdown Voltages of 2.048 V,

2.5 V, 3 V, 4.096 V, 5 V, 8.192 V, and 10 V

• Key Specifications (2.5-V LM4040-N)

– Output Voltage Tolerance (A Grade, 25°C):

±0.1% (Maximum)

– Low Output Noise (10 Hz to 10 kHz): 35 μVrms

(Typical)

– Wide Operating Current Range: 60 μA to 15

mA

– Industrial Temperature Range: −40°C to +85°C

– Extended Temperature Range: −40°C to

+125°C

– Low Temperature Coefficient: 100 ppm/°C

(Maximum)

2 Applications

• Portable, Battery-Powered Equipment

• Data Acquisition Systems

• Instrumentation

• Process Controls

• Energy Management

• Product Testing

• Automotives

• Precision Audio Components
3 Description Ideal for space-critical applications, the LM4040-N precision voltage reference is available in the subminiature SC70 and SOT-23 surface-mount package. The advanced design of the LM4040-N eliminates the need for an external stabilizing capacitor while ensuring stability with any capacitive load, thus making the LM4040-N easy to use. Further reducing design effort is the availability of several fixed reverse breakdown voltages: 2.048 V, 2.5 V, 3 V, 4.096 V, 5 V, 8.192 V, and 10 V. The minimum operating current increases from 60 μA for the 2.5-V LM4040-N to 100 μA for the 10-V LM4040-N. All versions have a maximum operating current of 15 mA. The LM4040-N uses a fuse and Zener-zap reverse breakdown voltage trim during wafer sort to ensure that the prime parts have an accuracy of better than ±0.1% (A grade) at 25°C. Bandgap reference temperature drift curvature correction and low dynamic impedance ensure stable reverse breakdown voltage accuracy over a wide range of operating temperatures and currents. Also available is the LM4041-N with two reverse breakdown voltage versions: adjustable and 1.2 V. See the LM4041-N data sheet (SNOS641).
 

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0755-23956688

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