Overview
The LM4050AEM3-2.5+T is a precision micropower shunt voltage reference produced by Analog Devices Inc./Maxim Integrated. This component is part of the LM4050 series, known for its high accuracy and stability over a wide range of temperatures. It is designed to provide a stable reference voltage with minimal power consumption, making it ideal for various applications requiring precise voltage regulation.
Key Specifications
| Parameter | Test Conditions | MIN | TYP | MAX | Unit |
|---|---|---|---|---|---|
| Reverse Breakdown Voltage | IR = 100 μA | 2.500 V | - | - | V |
| Reverse Breakdown Voltage Tolerance | IR = 100 μA | - | ±2.5 mV (Grade A) | ±5 mV (Grade B), ±13 mV (Grade C) | mV |
| Minimum Operating Current | TA = TJ = 25°C | 56 μA | - | 90 μA | μA |
| Average Reverse Breakdown Voltage Temperature Coefficient | IR = 100 μA, TA = TJ = 25°C | - | ±20 ppm/°C | ±50 ppm/°C (TA = TJ = TMIN to TMAX) | ppm/°C |
| Power Dissipation (TA = 25°C) | - | - | 280 mW | mW | |
| Maximum Junction Temperature | - | - | 150 °C | °C | |
| Storage Temperature | - | -65 °C | 150 °C | °C |
Key Features
- High Accuracy: Initial accuracy of ±0.1% (Grade A), ±0.2% (Grade B), and ±0.5% (Grade C).
- Low Temperature Coefficient: Guaranteed maximum temperature coefficient of 50 ppm/°C over the -40°C to +125°C temperature range.
- Wide Operating Current Range: Operates with a shunt current range of 60 μA to 15 mA.
- Low Noise: 28 μVRMS output noise from 10 Hz to 10 kHz.
- No Output Capacitors Required: Stable operation without the need for external capacitors.
- Ultra-Small Package: Available in a 3-pin SC70 or SOT-23 package.
- AEC-Q100 Qualified: Suitable for automotive applications).
Applications
- Portable, Battery-Powered Equipment: Ideal for devices requiring low power consumption and high accuracy).
- Notebook Computers and Cell Phones: Used in mobile devices to ensure stable voltage references).
- Industrial Process Controls: Suitable for industrial applications requiring precise voltage regulation).
- Automotive Systems: AEC-Q100 qualified, making it suitable for automotive applications).
Q & A
- What is the reverse breakdown voltage of the LM4050AEM3-2.5+T?
The reverse breakdown voltage is 2.5 V with tolerances of ±2.5 mV (Grade A), ±5 mV (Grade B), and ±13 mV (Grade C)).
- What is the temperature coefficient of the LM4050AEM3-2.5+T?
The temperature coefficient is guaranteed to be ±20 ppm/°C at 25°C and ±50 ppm/°C over the -40°C to +125°C range).
- What is the minimum operating current for the LM4050AEM3-2.5+T?
The minimum operating current is 56 μA at 25°C, extending up to 90 μA over the full temperature range).
- Does the LM4050AEM3-2.5+T require external capacitors for stability?
No, the LM4050AEM3-2.5+T does not require external capacitors for stability and can tolerate capacitive loads).
- What are the package options for the LM4050AEM3-2.5+T?
The component is available in ultra-small 3-pin SC70 or SOT-23 packages).
- Is the LM4050AEM3-2.5+T suitable for automotive applications?
Yes, it is AEC-Q100 qualified, making it suitable for automotive applications).
- What is the maximum junction temperature for the LM4050AEM3-2.5+T?
The maximum junction temperature is 150°C).
- What is the storage temperature range for the LM4050AEM3-2.5+T?
The storage temperature range is -65°C to 150°C).
- What is the power dissipation limit for the LM4050AEM3-2.5+T at 25°C?
The power dissipation limit at 25°C is 280 mW).
- What are some common applications of the LM4050AEM3-2.5+T?
