Description
The LM4040D20IDBZR is a precision micropower shunt voltage reference IC designed to deliver a stable, fixed 2.048V output. Because of its shunt architecture, this device is exceptionally versatile, offering high accuracy and stability while consuming minimal operating current (approximately 45µA). This makes it an ideal choice for power-conscious, high-performance battery-operated devices and precision measurement systems.
Engineered for reliability in diverse environments, the LM4040 provides consistent performance across a wide operating temperature range from -40°C to +125°C. Its compact SOT-23-3 surface-mount package is perfect for modern, space-constrained PCB designs where every millimeter counts. Whether you are calibrating an ADC, designing a reference voltage for a sensor interface, or building a precision power supply, the LM4040D20IDBZR offers the steady reference voltage your system demands.
Key Features
- Fixed 2.048V Output: Provides a highly accurate and stable reference voltage, essential for high-resolution data acquisition.
- Micropower Operation: Designed for low-power consumption (45µA), making it perfect for battery-powered or energy-sensitive electronics.
- Wide Temperature Range: Operates reliably from -40°C up to +125°C, ensuring stability in harsh industrial and outdoor environments.
- Compact SOT-23-3 Package: Industry-standard surface-mount footprint that saves valuable board real estate.
- High Accuracy: Offers consistent performance, making it a dependable component for precision instrumentation and calibration.
Application
- Data Acquisition Systems (DAQ): Acts as a clean reference for Analog-to-Digital (ADC) and Digital-to-Analog (DAC) converters.
- Portable & Battery-Operated Devices: Perfect for energy-efficient gadgets where minimizing current consumption is a priority.
- Sensor Interfaces: Provides the stable bias voltage required for accurate readings from various precision sensors.
- Industrial Instrumentation: Reliable in control systems, test equipment, and benchtop measurement tools.
- DIY Embedded Prototyping: A fundamental component for makers and engineers needing a rock-solid, fixed reference voltage for custom circuits.
Package Includes
- 1 x LM4040D20IDBZR Fixed 2.048V Shunt Voltage Reference IC (SOT-23-3)
Technical Specifications
| Parameter | Specification |
|---|---|
| Device | LM4040D20IDBZR |
| Output Voltage | 2.048 VDC |
| Mounting Type | SMD/SMT |
| Package Type | SOT-23-3 |
| Temp. Coefficient | 150 PPM / °C |
| Operating Temperature | -40°C to +125°C |
| Dimensions (L x W x H) | 2.92 x 1.3 x 1 mm |
Note: Product images are shown for illustrative purposes only and may differ from the actual product. For complete technical parameters, please refer to the official device datasheet.
