Overview
The LM385Z-2.5RA is a micropower voltage reference diode produced by ON Semiconductor. This device is part of the LM385 series, which are two-terminal bandgap voltage regulator diodes designed to operate over a wide current range of 10 μA to 20 mA. The LM385Z-2.5RA provides a stable 2.5V reference voltage, making it suitable for various applications requiring precise voltage regulation.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Reverse Breakdown Voltage | VZ | 2.425 | 2.500 | 2.575 | V |
| Average Temperature Coefficient | ∆VZ/∆T | - | 20 | - | ppm/°C |
| Minimum Operating Current | IMIN | 8 | - | 20 | μA |
| Reverse Current | IR | - | - | 30 | mA |
| Forward Current | IF | - | - | 10 | mA |
| Operating Ambient Temperature Range | TA | 0 | - | 70 | °C |
| Operating Junction Temperature | TJ | - | - | 150 | °C |
| Storage Temperature Range | Tstg | -65 | - | 150 | °C |
Key Features
- Micropower Operation: The LM385Z-2.5RA operates with a wide current range of 10 μA to 20 mA, making it suitable for low-power applications.
- Stable Reference Voltage: Provides a stable 2.5V reference voltage with both 1% and 2% tolerance options available.
- Low Temperature Coefficient: The device has a low average temperature coefficient of 20 ppm/°C, ensuring minimal voltage drift with temperature changes.
- Wide Operating Temperature Range: Operates over an ambient temperature range of 0°C to 70°C and a junction temperature up to 150°C.
- Compact Packaging: Available in TO-92-3 and TO-226AA-3 packages, making it suitable for a variety of board designs.
- RoHS Compliance: The device is RoHS compliant, ensuring environmental sustainability.
Applications
- Power Supplies: Used in voltage regulation and stabilization in power supply circuits.
- Instrumentation: Suitable for precision instrumentation requiring stable reference voltages.
- Consumer Electronics: Used in various consumer electronic devices where low power consumption and stable voltage reference are necessary.
- Industrial Control Systems: Employed in industrial control systems for reliable voltage referencing.
- Medical Devices: Applied in medical devices that require precise and stable voltage references.
Q & A
- What is the nominal reference voltage of the LM385Z-2.5RA?
The nominal reference voltage is 2.5V.
- What is the operating current range of the LM385Z-2.5RA?
The device operates over a current range of 10 μA to 20 mA.
- What is the average temperature coefficient of the LM385Z-2.5RA?
The average temperature coefficient is 20 ppm/°C.
- What are the available tolerance options for the LM385Z-2.5RA?
The device is available with 1% and 2% tolerance options.
- What is the maximum operating junction temperature of the LM385Z-2.5RA?
The maximum operating junction temperature is 150°C.
- Is the LM385Z-2.5RA RoHS compliant?
Yes, the device is RoHS compliant.
- What are the typical package types for the LM385Z-2.5RA?
The device is available in TO-92-3 and TO-226AA-3 packages.
- What is the storage temperature range for the LM385Z-2.5RA?
The storage temperature range is -65°C to 150°C.
- What are some common applications of the LM385Z-2.5RA?
Common applications include power supplies, instrumentation, consumer electronics, industrial control systems, and medical devices.
- What is the maximum forward current for the LM385Z-2.5RA?
The maximum forward current is 10 mA.
