Overview
The LM4041DILT-1.2, produced by STMicroelectronics, is a precision micropower shunt voltage reference. This component provides a stable output voltage of 1.225 V with an initial accuracy of 0.1% at 25 °C. It is designed for low power consumption, operating with a minimum current of 40 µA and a maximum current of 12 mA. The LM4041DILT-1.2 is available in the SOT-23 package and is suitable for a wide range of applications requiring high precision and stability.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 1.225 | V |
| Initial Accuracy (at 25 °C) | ±0.1% | |
| Minimum Operating Current | 40 | µA |
| Maximum Operating Current | 12 | mA |
| Temperature Coefficient | 100 ppm/°C | |
| Operating Temperature Range (Industrial) | -40 to +85 | °C |
| Operating Temperature Range (Extended) | -40 to +125 | °C |
| Thermal Resistance (RθJA) - SOT-23 | 248 | °C/W |
| Package | SOT-23 |
Key Features
- Fixed 1.225 V typical output voltage
- Ultra-low operating current: 40 µA at 25 °C
- High precision: ±0.1% @ 25 °C (other accuracy versions available)
- Stable operation with capacitive loads
- Industrial and extended temperature range versions available
- Low temperature coefficient: 100 ppm/°C maximum
- Low output noise: 20 μVrms (10 Hz to 10 kHz)
Applications
- Portable, battery-powered equipment
- Data acquisition systems
- Instrumentation
- Process control
- Energy management
- Automotive systems
- Precision audio components
- Computers and battery chargers
- Switch-mode power supplies
Q & A
- What is the output voltage of the LM4041DILT-1.2?
The output voltage is 1.225 V. - What is the initial accuracy of the LM4041DILT-1.2 at 25 °C?
The initial accuracy is ±0.1% at 25 °C. - What is the minimum operating current of the LM4041DILT-1.2?
The minimum operating current is 40 µA. - What is the maximum operating current of the LM4041DILT-1.2?
The maximum operating current is 12 mA. - What is the temperature coefficient of the LM4041DILT-1.2?
The temperature coefficient is 100 ppm/°C maximum. - What are the operating temperature ranges for the LM4041DILT-1.2?
The operating temperature ranges are -40 to +85 °C (industrial) and -40 to +125 °C (extended). - What package is the LM4041DILT-1.2 available in?
The LM4041DILT-1.2 is available in the SOT-23 package. - What is the thermal resistance (RθJA) of the LM4041DILT-1.2 in the SOT-23 package?
The thermal resistance (RθJA) is 248 °C/W. - What are some common applications of the LM4041DILT-1.2?
Common applications include portable battery-powered equipment, data acquisition systems, instrumentation, process control, energy management, automotive systems, and precision audio components. - Does the LM4041DILT-1.2 have low output noise?
Yes, the LM4041DILT-1.2 has low output noise of 20 μVrms (10 Hz to 10 kHz).
