LM4040

Description

LM4040 Precision Micropower Shunt Voltage Reference

The LM4040 is a high-precision, low-power shunt voltage reference designed for applications requiring stable and accurate voltage regulation. This device offers multiple reverse breakdown voltages, making it suitable for battery-operated systems, precision voltage regulation, ADC/DAC references, and industrial control applications.

---

Key Features:

✔ High Precision & Stability – Improved accuracy over temperature variations
✔ Low Operating Current – Ideal for low-power applications
✔ Multiple Reverse Breakdown Voltages – Available in various voltage options
✔ Shunt Regulator Design – Works with minimal external components
✔ Wide Operating Temperature Range – Reliable performance in extreme conditions
✔ Compact Package – Available in SOT-23 and TO-92

---

Specifications:

• Reference Voltages Available: 2.048V, 2.5V, 3.0V, 4.096V, 5.0V, 10.0V
• Initial Accuracy: ±0.1% to ±1% (depending on variant)
• Temperature Coefficient: As low as 20ppm/°C
• Operating Current: 45µA to 15mA
• Output Voltage Tolerance: High precision for stable reference output
• Low Dynamic Impedance: Ensures minimal voltage variation with current changes
• Package Options: SOT-23-3, TO-92

---

Applications:

✅ Precision Voltage Regulation – Provides stable voltage references for circuits
✅ ADC & DAC Reference – Improves accuracy in data acquisition systems
✅ Battery-Powered Devices – Ideal for low-power applications
✅ Industrial & Instrumentation – Used in sensors, meters, and monitoring systems
✅ Power Supplies & Voltage Monitoring