Overview
The LM385Z-2.5RP is a micropower two-terminal bandgap voltage reference diode produced by onsemi. This device is designed to provide a stable voltage reference over a wide range of operating conditions, making it suitable for various applications requiring precise voltage regulation.
The LM385 series, including the LM385Z-2.5RP, operates within a temperature range of 0°C to 70°C and is available in several package types, including the TO-92 package for the LM385Z-2.5RP.
Key Specifications
| Characteristic | Symbol | Unit | Min | Typ | Max |
|---|---|---|---|---|---|
| Reverse Breakdown Voltage | V(BR)R | V | 2.425 | 2.5 | 2.538 |
| Minimum Operating Current | IRmin | μA | 13 | - | 20 |
| Forward Current | IF | mA | - | - | 10 |
| Operating Ambient Temperature Range | TA | °C | 0 | - | 70 |
| Operating Junction Temperature | TJ | °C | - | - | 150 |
| Storage Temperature Range | Tstg | °C | -65 | - | 150 |
| Reverse Dynamic Impedance | Z | Ω | - | 0.6 | - |
| Average Temperature Coefficient | ΔV(BR)/ΔT | ppm/°C | - | 80 | 150 |
| Wideband Noise (RMS) | n | μV | - | 120 | - |
| Long Term Stability | S | ppm/kHR | - | 20 | - |
Key Features
- Operating current range from 10 μA to 20 mA
- Available in 1.0%, 1.5%, 2.0%, and 3.0% initial tolerance grades
- Low temperature coefficient
- Low dynamic impedance (approximately 0.6 Ω at 100 μA)
- Surface mount package available (e.g., SOIC-8)
- Pb-free and RoHS compliant
- Wideband noise of 120 μV (RMS) from 10 Hz to 10 kHz
- Long-term stability of 20 ppm/kHR
Applications
The LM385Z-2.5RP is suitable for a variety of applications requiring stable voltage references, including:
- Voltage regulators and power supplies
- General-purpose analog circuitry
- Battery-powered devices where long battery life is crucial
- Precision measurement and instrumentation
- Automotive and industrial control systems
Q & A
- What is the operating temperature range of the LM385Z-2.5RP?
The operating temperature range is from 0°C to 70°C.
- What are the typical reverse breakdown voltages for the LM385Z-2.5RP?
The typical reverse breakdown voltage is 2.5 V, with a minimum of 2.425 V and a maximum of 2.538 V.
- What is the minimum operating current for the LM385Z-2.5RP?
The minimum operating current is 13 μA.
- Is the LM385Z-2.5RP Pb-free and RoHS compliant?
Yes, the LM385Z-2.5RP is Pb-free and RoHS compliant.
- What is the typical dynamic impedance of the LM385Z-2.5RP?
The typical dynamic impedance is approximately 0.6 Ω at 100 μA.
- What are the package options available for the LM385Z-2.5RP?
The LM385Z-2.5RP is available in a TO-92 package.
- What is the wideband noise specification for the LM385Z-2.5RP?
The wideband noise is 120 μV (RMS) from 10 Hz to 10 kHz.
- What is the long-term stability of the LM385Z-2.5RP?
The long-term stability is 20 ppm/kHR.
- Can the LM385Z-2.5RP be used in automotive applications?
Yes, the LM385Z-2.5RP can be used in automotive and industrial control systems due to its stable voltage reference and robust operating conditions.
- Is the LM385Z-2.5RP suitable for battery-powered devices?
Yes, it is suitable for battery-powered devices due to its low operating current and long-term stability.
