Overview
The LM4051CIM3X-1.2/NOPB is a precision micropower shunt voltage reference manufactured by Texas Instruments. This component is designed to provide a stable and accurate 1.225 V reference voltage, making it ideal for applications requiring high precision and low power consumption. It is part of the LM4051-N series and is available in a compact SOT-23 package. The device is well-suited for use in portable electronics, industrial control systems, and other applications where space and power efficiency are critical.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Reference Type | Shunt Precision References | - | - |
| Output Voltage | 1.225 | V | - |
| Initial Accuracy | 0.5 | % | - |
| Average Temperature Coefficient | 20 | PPM/°C | Typical |
| Shunt Current (Max) | 12 | mA | - |
| Operating Temperature (Max) | +85 | °C | - |
| Mounting Style | SMD/SMT | - | - |
| Package/Case | SOT-23 | - | - |
| Packaging | Reel | - | - |
| Minimum Operating Temperature | -40 | °C | - |
| Shunt Current (Min) | 60 | µA | - |
| Factory Pack Quantity | 1000 | - | - |
| ROHS | Lead-Free | - | - |
Key Features
- Precision micropower shunt voltage reference with 1.225 V output.
- High initial accuracy of ±0.5% ensures reliable performance.
- Low average temperature coefficient of 20 PPM/°C for stable operation across varying temperatures.
- Compact SOT-23 package ideal for space-constrained applications.
- Wide operating temperature range from -40°C to +85°C.
- Low shunt current requirement, with a minimum of 60 µA and a maximum of 12 mA.
Applications
The LM4051CIM3X-1.2/NOPB is widely used in various applications, including:
- Portable Electronics: Its low power consumption and small form factor make it ideal for battery-powered devices such as smartphones, tablets, and wearables.
- Industrial Control Systems: The precision voltage reference ensures accurate sensor readings and stable operation in industrial environments.
- Automotive Electronics: The device's wide temperature range and reliability make it suitable for automotive applications, including engine control units and infotainment systems.
- Test and Measurement Equipment: High accuracy and stability are critical in equipment such as multimeters and oscilloscopes.
Q & A
1. What is the output voltage of the LM4051CIM3X-1.2/NOPB?
The output voltage is 1.225 V.
2. What is the initial accuracy of this voltage reference?
The initial accuracy is ±0.5%.
3. What is the operating temperature range?
The operating temperature range is from -40°C to +85°C.
4. What is the typical temperature coefficient?
The typical temperature coefficient is 20 PPM/°C.
5. What package does the LM4051CIM3X-1.2/NOPB come in?
It comes in a SOT-23 package.
6. What is the minimum shunt current required?
The minimum shunt current required is 60 µA.
7. What is the maximum shunt current allowed?
The maximum shunt current allowed is 12 mA.
8. Is this device RoHS compliant?
Yes, it is RoHS compliant and lead-free.
9. What is the factory pack quantity?
The factory pack quantity is 1000 units per reel.
10. What are some typical applications for this device?
Typical applications include portable electronics, industrial control systems, automotive electronics, and test and measurement equipment.
