Overview
The LM385M3-1.2/NOPB is a micropower 2-terminal band-gap voltage reference diode produced by Texas Instruments. This device is part of the LM385 series, known for its low power consumption and high stability. The LM385M3-1.2/NOPB operates over a wide current range of 10μA to 20mA, making it versatile for various applications. It is available in a SOT-23 package, which is compact and suitable for surface mount technology.
Key Specifications
| Parameter | Conditions | Typical Value | Maximum Value |
|---|---|---|---|
| Reverse Breakdown Voltage | TA = 25°C, 10μA ≤ IR ≤ 20mA | 1.23 V | 1.247 V |
| Minimum Operating Current | 10 μA | 20 μA | |
| Operating Temperature Range | 0°C to 70°C | ||
| Reverse Dynamic Impedance | IR = 100μA, f = 20Hz | 1 Ω | |
| Wideband Noise | IR = 100μA, 10Hz ≤ f ≤ 10kHz | 60 μV (rms) | |
| Long Term Stability | IR = 100μA, T = 1000 Hr, TA = 25°C ±0.1°C | 20 ppm | |
| Average Temperature Coefficient | IR = 100μA | 150 ppm/°C | |
| Storage Temperature | −55°C to +150°C | ||
| ESD Susceptibility | 2 kV |
Key Features
- Low Power Consumption: Operates with a current range of 10μA to 20mA, making it suitable for battery-powered devices.
- High Stability: Features exceptionally low dynamic impedance and good temperature stability.
- Compact Packaging: Available in a SOT-23 package, ideal for surface mount applications.
- Wide Operating Temperature Range: Rated for operation from 0°C to 70°C.
- Low Noise: Uses only transistors and resistors, resulting in low noise and good long-term stability.
- Tight Voltage Tolerance: On-chip trimming ensures tight voltage tolerance.
Applications
- Portable Electronics: Suitable for battery-powered devices due to its low power consumption.
- Industrial Control Systems: Used in systems requiring stable voltage references.
- Aerospace and Defense: Can be used in military and aerospace applications due to its wide operating temperature range and stability.
- Medical Devices: Ideal for medical equipment requiring precise voltage references.
- Automotive Systems: Used in automotive electronics for stable voltage regulation.
Q & A
- What is the operating current range of the LM385M3-1.2/NOPB?
The operating current range is 10μA to 20mA.
- What is the typical reverse breakdown voltage of the LM385M3-1.2/NOPB?
The typical reverse breakdown voltage is 1.23 V.
- What is the operating temperature range of the LM385M3-1.2/NOPB?
The operating temperature range is 0°C to 70°C.
- What is the reverse dynamic impedance of the LM385M3-1.2/NOPB?
The reverse dynamic impedance is 1 Ω at IR = 100μA and f = 20Hz.
- How much wideband noise does the LM385M3-1.2/NOPB generate?
The wideband noise is 60 μV (rms) at IR = 100μA and 10Hz ≤ f ≤ 10kHz.
- What is the long-term stability of the LM385M3-1.2/NOPB?
The long-term stability is 20 ppm at IR = 100μA and T = 1000 Hr, TA = 25°C ±0.1°C.
- What is the average temperature coefficient of the LM385M3-1.2/NOPB?
The average temperature coefficient is 150 ppm/°C.
- What is the storage temperature range for the LM385M3-1.2/NOPB?
The storage temperature range is −55°C to +150°C.
- What is the ESD susceptibility of the LM385M3-1.2/NOPB?
The ESD susceptibility is 2 kV.
- In what package is the LM385M3-1.2/NOPB available?
The LM385M3-1.2/NOPB is available in a SOT-23 package.
