Overview
The LM385D-2.5G is a micropower, two-terminal bandgap voltage reference diode produced by onsemi. This device is designed for a wide range of applications requiring precise voltage regulation. It operates within a current range of 20 µA to 20 mA, making it suitable for battery-operated systems and other low-power consumption applications. The LM385D-2.5G features a fixed output voltage of 2.5V with an initial accuracy of ±3%, ensuring stable and reliable operation across varying conditions.
Key Specifications
| Parameter | Value |
|---|---|
| Nominal Voltage | 2.5V |
| Package Type | SOIC-8 |
| Reference Type | Fixed Shunt |
| Initial Accuracy | ±3% |
| Mounting Type | Surface Mount |
| Maximum Output Current | 20 mA |
| Minimum Output Voltage | 2.425 V |
| Maximum Output Voltage | 2.575 V |
| Pin Count | 8 |
| Load Regulation | 20 mV |
| Dimensions | 5 x 4 x 1.5 mm |
| Minimum Operating Temperature | 0 °C |
| Maximum Operating Temperature | +70 °C |
| Temperature Coefficient | 80 PPM / °C |
Key Features
- Precision voltage regulation with an initial accuracy of ±3%
- Low dynamic impedance and minimal noise
- Wide operating current range: 20 µA to 20 mA
- Low power consumption, suitable for battery-operated systems
- Integrated error detection and rapid self-testing protocols
- Fault-tolerant architecture and real-time monitoring capabilities
Applications
- Portable meter references
- Portable test instruments
- Battery-operated systems
- Current-loop instrumentation
- Panel meters
Q & A
- What is the nominal output voltage of the LM385D-2.5G?
The nominal output voltage is 2.5V. - What is the initial accuracy of the LM385D-2.5G?
The initial accuracy is ±3%. - What is the operating current range of the LM385D-2.5G?
The operating current range is from 20 µA to 20 mA. - What type of package does the LM385D-2.5G use?
The LM385D-2.5G uses an SOIC-8 package. - What are the minimum and maximum operating temperatures for the LM385D-2.5G?
The minimum operating temperature is 0 °C, and the maximum operating temperature is +70 °C. - What are some typical applications of the LM385D-2.5G?
Typical applications include portable meter references, portable test instruments, battery-operated systems, current-loop instrumentation, and panel meters. - Does the LM385D-2.5G have any built-in protection features?
Yes, it includes fault-tolerant architecture and integrated error detection. - How does the LM385D-2.5G achieve its voltage accuracy?
The voltage accuracy is achieved through on-chip trimming. - What is the load regulation of the LM385D-2.5G?
The load regulation is 20 mV. - What is the temperature coefficient of the LM385D-2.5G?
The temperature coefficient is 80 PPM / °C.
