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The LM136-2.5-N/LM236-2.5-N and LM336-2.5-N integrated circuits are precision 2.5V shunt regulator diodes. These monolithic IC voltage references operate as a low-temperature-coefficient 2.5V zener with 0.2Ω dynamic impedance. A third terminal on the LM136-2.5-N allows the reference voltage and temperature coefficient to be trimmed easily.
The LM136-2.5-N series is useful as a precision 2.5V low voltage reference for digital voltmeters, power supplies or op amp circuitry. The 2.5V make it convenient to obtain a stable reference from 5V logic supplies. Further, since the LM136-2.5-N operates as a shunt regulator, it can be used as either a positive or negative voltage reference.
The LM136-2.5-N is rated for operation over −55°C to +125°C while the LM236-2.5-N is rated over a −25°C to +85°C temperature range.
The LM336-2.5-N is rated for operation over a 0°C to +70°C temperature range. See the connection diagrams for available packages.
| Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | LM136-2.5 LM236-2.5 LM336-2.5V Reference Diode datasheet (Rev. F) | 05 Apr 2013 | |
| E-book | Voltage Supervisor and Reset ICs: Tips, Tricks and Basics | 28 Jun 2019 | ||
| Application note | AN-202 A Digital Multimeter Using the ADD3501 (Rev. C) | 19 Feb 2015 | ||
| Application note | AN-298 Isolation Techniques for Signal Conditioning (Rev. B) | 06 May 2013 | ||
| Application note | AN-284 Single-Supply Applications of CMOS MICRODACs (Rev. B) | 22 Apr 2013 | ||
| Application note | Using ADC0808/809 8-Bit uP Compble ADCs w/8-Chan Analog Multiplexr (Rev. B) | 22 Apr 2013 | ||
| More literature | Die D/S LM336-2.5 MWC Voltage Reference Diode | 21 Sep 2012 | ||
| Application note | TO-92 Packing Options / Ordering Instructions (Rev. A) | 23 Jun 2010 | ||
| Application note | Data Acq Using ADC0816 & ADC0817 8-Bit ADC w/On-Chip 16 Chan Multiplexr | 10 May 2004 | ||
| Application note | AN-275 CMOS D/A Converters Match Most Microprocessors | 02 May 2004 |
For additional terms or required resources, click any title below to view the detail page where available.
This external resistor quick-start calculator tool lets you easily calculate valid external resistor values relative to voltage reference, supply and load-current bounds. With these inputs, you can instantly view the resulting calculations and use the color-coded indications to understand (...)
| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| SOIC (D) | 8 | Ultra Librarian |
| TO-92 (LP) | 3 | Ultra Librarian |
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