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MAXIM INTEGRATED / ANALOG DEVICES LM4040AIM321T Voltage Reference Module

The LM4040 is a compact, ultra-precise micropower shunt voltage reference designed for space-critical applications. It features multiple fixed reverse breakdown voltages, laser-trimmed resistors for high initial accuracy, and a low temperature coefficient of 100ppm/°C. Packaged in a tiny 3-pin SC70 surface-mount package, it operates over -40°C to +125°C, with a wide current range of 60µA to 15mA. Its stability, low noise, and no external capacitor requirement make it ideal for portable electronics and industrial controls.

Authorized Distributors
Source:Newark
Part No:LM4040AIM3-2.1+T
Stock:2360
Inv Date:06-05-2026
Price: Unit price: $2.37
Buy/RFQ:
Source:DigiKey
Part No:LM4040AIM3-2.1+T
Stock:3937
Inv Date:06-05-2026
Price: Unit price: $3.43
Buy/RFQ:

MAXIM INTEGRATED / ANALOG DEVICES LM4040AIM321T Voltage Reference Module Specifications:

  • Package Type: SC70 surface-mount, 3-pin
  • Reverse Breakdown Voltages: 2.048V, 2.500V, 3.000V, 3.3V, 4.096V, 5.000V
  • Initial Accuracy: Up to 0.1%
  • Temperature Coefficient: 100ppm/°C
  • Operating Current Range: 60µA to 15mA
  • Operating Temperature: -40°C to +125°C
  • No external capacitor required for stability
  • Power Dissipation: 174mW (SC70 package), derates above 70°C
  • Max Reverse Current: 20mA
  • Storage Temperature: -40°C to +85°C
  • Peak Junction Temperature: +150°C
  • Soldering Temperature: +260°C (reflow)

Buy the Maxim Series LM4040 Voltage Reference: LM4040AIM321T

Order the Maxim LM4040AIM321T online today and enjoy fast delivery of this highly accurate, low-noise, micropower voltage reference. Its tiny SC70 package is perfect for space-constrained applications such as portable devices and industrial controls. With an initial accuracy of 0.1% and temperature stability guaranteed from -40°C to +125°C, this device requires no external capacitors, simplifying your design. Elevate your circuits with a proven, stable voltage reference designed for durability and precision in demanding environments.

Buy Maxim LM4040AIM321T now and experience unmatched reliability and top-tier precision for your voltage referencing needs.

Frequently Asked Questions

Where can I buy MAXIM INTEGRATED / ANALOG DEVICES LM4040AIM321T?

You can click on the BUY or RFQ button to purchase LM4040AIM321T from an authorized MAXIM INTEGRATED / ANALOG DEVICES distributor.

How do I troubleshoot issues or seek technical support for part LM4040AIM321T?

You can download the LM4040AIM321T datasheet or visit the MAXIM INTEGRATED / ANALOG DEVICES website for support.

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