Overview
The LM4050QCEM3X5.0/NOPB is a precision micropower shunt voltage reference produced by Texas Instruments. This device is part of the LM4050 series, which offers high precision and stability in a compact SOT-23 package. It is designed for space-constrained applications and eliminates the need for external stabilizing capacitors, making it ideal for various electronic systems. The LM4050-N series comes in several fixed reverse breakdown voltage options, including 2.048 V, 2.5 V, 4.096 V, 5 V, 8.192 V, and 10 V, with the LM4050QCEM3X5.0/NOPB specifically providing a 5 V reference voltage.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| Reverse Breakdown Voltage | 5 | - | 5 | V |
| Voltage Tolerance (A Grade, 25°C) | - | - | ±0.1% | - |
| Minimum Operating Current | 60 | 74 | 80 | μA |
| Maximum Operating Current | - | - | 15 | mA |
| Low Output Noise (10 Hz to 10 kHz) | - | 41 | - | μVrms |
| Temperature Coefficient | - | - | 50 | ppm/°C |
| Industrial Temperature Range | -40 | - | 85 | °C |
| Extended Temperature Range | -40 | - | 125 | °C |
| Power Dissipation (TA = 25°C) | - | - | 280 | mW |
| Maximum Junction Temperature | - | - | 150 | °C |
Key Features
- Small Package: Available in the SOT-23 surface-mount package, ideal for space-critical applications.
- No Output Capacitor Required: Ensures stability with any capacitive load without the need for an external stabilizing capacitor.
- Fixed Reverse Breakdown Voltages: Offers several fixed reverse breakdown voltage options: 2.048 V, 2.5 V, 4.096 V, 5 V, 8.192 V, and 10 V.
- High Precision: Voltage tolerance accuracies of ±0.1%, ±0.2%, and ±0.5% for Versions A, B, and C, respectively.
- Low Output Noise: Typical low output noise of 41 μVrms from 10 Hz to 10 kHz.
- Wide Operating Current Range: From 60 μA to 15 mA.
- Temperature Stability: Bandgap reference with temperature drift curvature correction and low dynamic impedance.
Applications
- Portable, Battery-Powered Equipment: Ideal for devices where power efficiency and precision are crucial.
- Data Acquisition Systems: Provides stable reference voltages for data acquisition and measurement systems.
- Instrumentation: Suitable for precision instrumentation requiring stable voltage references.
- Process Control: Used in process control systems that demand high accuracy and stability.
- Energy Management: Helps in managing energy efficiently in various electronic systems.
- Product Testing: Useful in test and measurement equipment for precise voltage referencing.
- Automotive: Applicable in automotive systems requiring high precision and reliability.
- Precision Audio Components: Ensures high-quality audio performance by providing stable reference voltages.
Q & A
- What is the LM4050QCEM3X5.0/NOPB used for?
The LM4050QCEM3X5.0/NOPB is a precision micropower shunt voltage reference used in various applications requiring stable and precise voltage references. - What are the available fixed reverse breakdown voltage options for the LM4050 series?
The LM4050 series offers fixed reverse breakdown voltage options of 2.048 V, 2.5 V, 4.096 V, 5 V, 8.192 V, and 10 V. - What is the typical output noise of the LM4050QCEM3X5.0/NOPB?
The typical output noise is 41 μVrms from 10 Hz to 10 kHz. - Does the LM4050QCEM3X5.0/NOPB require an external stabilizing capacitor?
No, it does not require an external stabilizing capacitor as it ensures stability with any capacitive load. - What is the operating current range of the LM4050QCEM3X5.0/NOPB?
The operating current range is from 60 μA to 15 mA. - What are the temperature ranges for the LM4050QCEM3X5.0/NOPB?
The device operates within an industrial temperature range of –40°C to 85°C and an extended temperature range of –40°C to 125°C. - What is the maximum junction temperature for the LM4050QCEM3X5.0/NOPB?
The maximum junction temperature is 150°C. - What are some common applications of the LM4050QCEM3X5.0/NOPB?
Common applications include portable battery-powered equipment, data acquisition systems, instrumentation, process control, energy management, product testing, automotive systems, and precision audio components. - What is the package type of the LM4050QCEM3X5.0/NOPB?
The device is available in the SOT-23 surface-mount package. - How does the LM4050QCEM3X5.0/NOPB achieve high precision?
The device achieves high precision through fuse and Zener-zap reverse breakdown voltage trim during wafer sort and bandgap reference temperature drift curvature correction.
