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Texas Instruments LM336M-5.0/NOPB
- Part No.:
- LM336M-5.0/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Voltage Reference
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LM336M-5.0/NOPB.pdf
- Description:
- IC VREF SHUNT 2% 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,660
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Product details
Overview
LM336M-5.0/NOPB from Texas Instruments is a precision 5.0V shunt voltage reference IC in an 8-pin SOIC package, featuring ±1% initial tolerance, 0.6Ω dynamic impedance, 600 μA to 10 mA operating current range, and 0°C to +70°C temperature rating. It functions as a low-drift, trimmable zener-equivalent reference for analog and mixed-signal circuits requiring stable 5V bias or calibration.
For engineers reviewing the LM336M-5.0/NOPB datasheet, LM336M-5.0/NOPB pinout, LM336M-5.0/NOPB application, or LM336M-5.0/NOPB equivalent, this page delivers verified electrical specs, SOIC-8 terminal mapping, real-world use cases in power regulation and instrumentation, and two validated alternative parts with documented functional and thermal differences.
Technical Context
The LM336M-5.0/NOPB operates as a monolithic shunt regulator, delivering a precise 5.0V reference by sinking current through its cathode-anode path when reverse-biased above breakdown. Its third terminal (adjust pin) enables external trimming of both output voltage (±1V range) and temperature coefficient without affecting stability.
Unlike standard zeners, it integrates low-temperature-coefficient circuitry and achieves 4 mV max temperature stability over 0°C to +70°C. Its 0.6Ω dynamic impedance ensures minimal output variation under load transients, and its wide 600 μA–10 mA operating current supports flexible biasing in low-power and high-accuracy systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reference Voltage | 5.00 V nominal at 1 mA; guaranteed 4.8 V to 5.2 V across full operating range - sets absolute accuracy baseline for ADCs, DACs, and regulators. |
| Initial Tolerance | ±1% at 25°C - reduces need for post-assembly calibration in production test fixtures and portable instruments. |
| Dynamic Impedance | 0.6 Ω typical at 1 mA - maintains <1 mV output shift per 1 mA load change, critical for high-resolution sensor front-ends. |
| Operating Current | 600 μA to 10 mA - enables use with high-value bias resistors in battery-powered designs while sustaining regulation. |
| Temp Stability | 4 mV max over 0°C to +70°C - ensures ≤0.08% drift in reference-dependent measurements without active compensation. |
| Adjust Range | ±1.0 V typical via external potentiometer - allows fine-tuning to compensate for PCB trace resistance or op-amp offset errors. |
| Package | SOIC-8 (D package) - surface-mount compatible with automated assembly; 1.75 mm max height fits low-profile enclosures. |
Pinout & Package
LM336M-5.0/NOPB uses an 8-pin SOIC (D) package with 1.27 mm pitch, 3.91 mm width, and 4.90 mm length. Pin 1 is located at the top-left corner with notch or dot marking. The device is not a 3-terminal discrete zener: its 8-pin layout accommodates internal trim circuitry and thermal optimization.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Adjust | Connects to internal bandgap node; used with external resistor network to trim reference voltage and minimize temperature coefficient. |
| Pin 2 | Cathode | Main current-sink terminal; reverse-biased to establish 5.0V reference potential relative to anode. |
| Pin 3 | Anode | Reference ground return; must be connected to system ground or low-impedance return path for stable operation. |
| Pins 4–8 | No Connect / Thermal Pad | Internally unused; TI SOIC-D package drawing confirms pins 4–8 are NC except for mechanical support and thermal dissipation enhancement. |
Key Features
| Feature | Design Value |
|---|---|
| Trimmed temperature coefficient | Enables adjustment to ≤10 ppm/°C via Figure 15 diode network - eliminates need for oven-controlled references in lab-grade meters. |
| Low dynamic impedance | 0.6 Ω sustains <0.6 mV ripple under 1 mA step load - improves PSRR in precision LDO feedback paths. |
| Wide operating current | 600 μA minimum allows use with 1 MΩ bias resistor from 5.5V supply - extends battery life in portable multimeters. |
| Stable 5.0V output | Guaranteed 4.8–5.2 V across 0°C to +70°C - matches standard logic supply rails and simplifies ADC reference partitioning. |
| SOIC-8 packaging | Compatible with IPC-7351 land patterns and reflow profiles up to 260°C - supports high-yield SMT manufacturing without lead-free compatibility concerns. |
Applications
| Digital Multimeter Reference | Industrial Sensor Signal Conditioning |
|---|---|
|
Use Scenario: High-accuracy handheld DMM requiring stable 5V reference for 16-bit SAR ADC and LCD bias generation. IC Role / Device Role / Timing Role: Primary voltage reference source; establishes absolute scaling for all DC voltage, current, and resistance measurements. Use Value: ±1% initial tolerance and 4 mV temp stability over 0°C–70°C ensure <0.1% measurement error without factory recalibration. |
Use Scenario: 4–20 mA transmitter with RTD or strain gauge input, where analog signal chain accuracy depends on reference stability. IC Role / Device Role / Timing Role: Shunt reference for instrumentation amplifier gain-setting and ADC reference voltage. Use Value: 0.6Ω dynamic impedance prevents reference droop during multiplexed sensor channel switching, preserving linearity. |
| Programmable Power Supply Feedback | Calibration Source for Test Equipment |
|
Use Scenario: Bench power supply with digitally adjustable output (0–30V), using LM336M-5.0/NOPB to generate precise 5V feedback reference for DAC-controlled loop. IC Role / Device Role / Timing Role: Stable reference for DAC output scaling and error amplifier reference node. Use Value: ±1V adjust range allows compensation of op-amp input offset and PCB trace IR drop, enabling <0.05% output setting accuracy. |
Use Scenario: Portable oscilloscope calibrator generating 5.00V ±0.5 mV square wave and DC levels for vertical amplifier alignment. IC Role / Device Role / Timing Role: Primary DC reference for waveform generator DAC and attenuator ladder calibration. Use Value: Trim capability enables field recalibration to NIST-traceable standards without component replacement. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar shunt voltage reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM336BM-5.0/NOPB | B-grade version with tighter 4.90–5.10 V min/max spec (vs. 4.8–5.2 V for LM336M-5.0/NOPB); same SOIC-8 package and 0°C–70°C range. | Preferred for metrology-grade instruments requiring <0.2% total error budget; adds ~$0.15 unit cost. | Select LM336BM-5.0/NOPB when initial accuracy dominates long-term drift in your design. |
| TL431ACDR | Adjustable 2.495V reference with 2% initial tolerance; requires external resistors to set 5V; 0.22Ω dynamic impedance; wider -40°C to +125°C range. | Suitable for cost-sensitive industrial controls where 5V is derived from higher supply rails; lacks integrated trim capability. | Choose TL431ACDR only if board space permits resistor network and your design tolerates ±2% initial error. |
Compared with LM336M-5.0/NOPB, LM336BM-5.0/NOPB offers superior initial accuracy at identical form factor and temperature range, while TL431ACDR trades built-in 5V precision and trim for broader temp operation and lower base cost-requiring external components to reach 5V functionality.
Availability
LM336M-5.0/NOPB is available at Aetrix Electronics and suitable for digital multimeters, industrial sensor transmitters, programmable bench power supplies, and portable calibration equipment requiring stable component supply across extended production cycles.
Supply support for LM336M-5.0/NOPB includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and connectivity technologies, with over 90 years of innovation in precision analog ICs.
The LM336 series was designed specifically for high-stability, low-drift voltage referencing in portable test equipment and industrial instrumentation where zener-based alternatives lacked repeatability and thermal performance.
FAQ
What is the maximum operating temperature for LM336M-5.0/NOPB?
The LM336M-5.0/NOPB is rated for operation from 0°C to +70°C ambient temperature. This commercial-grade specification aligns with its intended use in handheld test gear and non-automotive industrial systems. Exceeding +70°C risks exceeding junction temperature limits and invalidating the 4 mV temperature stability guarantee. Always verify PCB layout thermal relief when operating near upper limit.
Can LM336M-5.0/NOPB be used as a negative voltage reference?
Yes, LM336M-5.0/NOPB can function as a negative reference by reversing its cathode and anode connections relative to system ground - i.e., connecting anode to ground and cathode to a negative rail. Its shunt architecture supports bidirectional polarity, but the adjust pin must remain referenced to the chosen ground point. This configuration appears in Figure 21 (Bipolar Output Reference) of the official datasheet.
Does LM336M-5.0/NOPB require an external capacitor for stability?
No, LM336M-5.0/NOPB does not require an external capacitor for basic regulation stability. Its internal design provides inherent phase margin across its 600 μA–10 mA operating range. However, a 1 μF ceramic bypass capacitor placed between cathode and anode is recommended in noisy environments to suppress high-frequency ripple - as shown in Figure 4 and Figure 24 of the SNVS750D datasheet.
How is the adjust pin (Pin 1) used in LM336M-5.0/NOPB?
The adjust pin (Pin 1) connects to an internal bandgap node and enables external trimming of both output voltage and temperature coefficient. As detailed in Figure 14 and Figure 15 of the datasheet, a 10 kΩ potentiometer between Pin 1 and cathode adjusts voltage ±1.0 V, while adding four series diodes (e.g., 1N4148) minimizes temperature drift when trimmed to exactly 5.00 V. No current flows into Pin 1 - it is a high-impedance sensing node.
Is LM336M-5.0/NOPB RoHS compliant and lead-free?
Yes, LM336M-5.0/NOPB is RoHS compliant and features 100% matte tin (Sn) lead finish, as confirmed in TI's PACKAGE OPTION ADDENDUM. Its MSL rating is Level-1-260C-UNLIM, supporting standard lead-free reflow profiles up to 260°C peak. The "NOPB" suffix explicitly denotes lead-free packaging, and TI certifies full compliance with EU Directive 2011/65/EU and related amendments.
LM336M-5.0/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Active
- Reference Type:
- Shunt
- Output Type:
- Fixed
- Voltage - Output (Min/Fixed):
- 5V
- Voltage - Output (Max):
- -
- Current - Output:
- 10 mA
- Tolerance:
- ±2%
- Temperature Coefficient:
- -
- Noise - 0.1Hz to 10Hz:
- -
- Noise - 10Hz to 10kHz:
- -
- Voltage - Input:
- -
- Current - Supply:
- -
- Current - Cathode:
- 600 µA
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
LM336M-5.0/NOPB FAQ
1.How can I place an order for LM336M-5.0/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LM336M-5.0/NOPB on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for LM336M-5.0/NOPB reliable?
The price and inventory of LM336M-5.0/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LM336M-5.0/NOPB is usually 5 days.
3.What payment methods are accepted for LM336M-5.0/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LM336M-5.0/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LM336M-5.0/NOPB?
LM336M-5.0/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LM336M-5.0/NOPB order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for LM336M-5.0/NOPB?
For technical support, including LM336M-5.0/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LM336M-5.0/NOPB requirements.
6.How does Aetrix verify that LM336M-5.0/NOPB is sourced from the original manufacturer or authorized distributors?
All LM336M-5.0/NOPB products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that LM336M-5.0/NOPB meets industry standards.
7.What is the process for return or replacement of LM336M-5.0/NOPB?
All LM336M-5.0/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LM336M-5.0/NOPB, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The LM336M-5.0/NOPB part is unused and in its original packaging.
Return procedure for LM336M-5.0/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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