Overview
The LM385Z-2.5G is a micropower two-terminal bandgap voltage regulator diode produced by onsemi. This device is part of the LM285/LM385 series, designed to operate over a wide current range from 10 μA to 20 mA. It is available in a TO-92 package and is Pb-free and RoHS compliant. The LM385Z-2.5G is specifically configured to provide a stable reference voltage of 2.5 V, making it suitable for various precision voltage reference applications.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Reverse Breakdown Voltage | VZ | 2.425 | 2.500 | 2.575 | V |
| Minimum Operating Current | IMIN | 8 | - | 20 | μA |
| Average Temperature Coefficient | ∆VZ/∆T | - | 20 | - | ppm/°C |
| Reverse Dynamic Impedance | rZ | - | 0.6 | - | Ω |
| Wideband Noise (RMS) | en | - | 120 | - | μV |
| Long Term Stability | S | - | 20 | - | ppm/kHr |
| Operating Ambient Temperature Range | TA | 0 | - | 70 | °C |
| Storage Temperature Range | Tstg | -65 | - | 150 | °C |
Key Features
- Operating current range from 10 μA to 20 mA
- Available in 1.235 V and 2.5 V reference voltages
- Low temperature coefficient of 20 ppm/°C
- Low dynamic impedance of 0.6 Ω at 100 μA
- Wideband noise (RMS) of 120 μV from 10 Hz to 10 kHz
- Long term stability of 20 ppm/kHr
- Pb-free and RoHS compliant
- Available in TO-92 package
Applications
- Precision voltage reference in analog circuits
- Low-power battery-operated devices
- Instrumentation and measurement equipment
- Automotive and industrial control systems
- Medical devices requiring stable voltage references
Q & A
- What is the operating current range of the LM385Z-2.5G?
The LM385Z-2.5G operates over a wide current range from 10 μA to 20 mA.
- What is the reference voltage provided by the LM385Z-2.5G?
The LM385Z-2.5G provides a stable reference voltage of 2.5 V.
- What is the temperature coefficient of the LM385Z-2.5G?
The average temperature coefficient is 20 ppm/°C.
- What is the dynamic impedance of the LM385Z-2.5G at 100 μA?
The reverse dynamic impedance is 0.6 Ω at 100 μA.
- What is the wideband noise (RMS) of the LM385Z-2.5G?
The wideband noise (RMS) is 120 μV from 10 Hz to 10 kHz.
- What is the long term stability of the LM385Z-2.5G?
The long term stability is 20 ppm/kHr.
- Is the LM385Z-2.5G Pb-free and RoHS compliant?
Yes, the LM385Z-2.5G is Pb-free and RoHS compliant.
- In what package is the LM385Z-2.5G available?
The LM385Z-2.5G is available in a TO-92 package.
- What is the operating ambient temperature range of the LM385Z-2.5G?
The operating ambient temperature range is from 0°C to 70°C.
- What is the storage temperature range of the LM385Z-2.5G?
The storage temperature range is from -65°C to 150°C.
