Overview
The LM4050AIM3-2.5+T is a precision micropower shunt voltage reference produced by Analog Devices Inc./Maxim Integrated. This device is part of the LM4050 series, known for its high accuracy and stability over a wide range of temperatures and operating currents. The LM4050AIM3-2.5+T is specifically designed to provide a fixed reverse breakdown voltage of 2.5V, making it ideal for applications requiring precise voltage referencing.
Key Specifications
| Parameter | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Reverse Breakdown Voltage | IR = 100 μA | 2.500 | 2.500 | 2.500 | V |
| Output Voltage Tolerance (A Grade, 25°C) | ±0.1% | ||||
| Minimum Operating Current | TA = TJ = 25°C | 60 | 74 | μA | |
| Maximum Operating Current | 15 | mA | |||
| Average Reverse Breakdown Voltage Temperature Coefficient | IR = 100 μA, TA = TJ = 25°C | ±50 | ppm/°C | ||
| Output Noise (10 Hz to 10 kHz) | 41 | μVrms | |||
| Industrial Temperature Range | -40 | +85 | °C | ||
| Extended Temperature Range | -40 | +125 | °C |
Key Features
- High Accuracy: The LM4050AIM3-2.5+T has an initial accuracy of ±0.1% at 25°C (A grade).
- Low Temperature Coefficient: Guaranteed temperature coefficient of 50 ppm/°C over the -40°C to +125°C temperature range.
- Ultra-Small Package: Available in a 3-pin SOT-23 package, ideal for space-critical applications.
- No Output Capacitor Required: Stable operation without the need for external capacitors.
- Tolerates Capacitive Loads: Ensures stability with any capacitive loads.
- Low Output Noise: Low 28 μVrms output noise from 10 Hz to 10 kHz.
- Wide Operating Current Range: Operates over a wide current range of 60 μA to 15 mA.
- 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: Suitable for mobile devices needing precise voltage referencing).
- Industrial Process Controls: Used in industrial settings where stable voltage references are crucial).
- Automotive Systems: AEC-Q100 qualified, making it suitable for automotive applications).
Q & A
- What is the reverse breakdown voltage of the LM4050AIM3-2.5+T?
The reverse breakdown voltage is 2.5V with an initial accuracy of ±0.1% (A grade) at 25°C).
- What is the temperature coefficient of the LM4050AIM3-2.5+T?
The temperature coefficient is 50 ppm/°C over the -40°C to +125°C temperature range).
- What is the minimum operating current for the LM4050AIM3-2.5+T?
The minimum operating current is 60 μA).
- What is the maximum operating current for the LM4050AIM3-2.5+T?
The maximum operating current is 15 mA).
- Does the LM4050AIM3-2.5+T require an output capacitor?
No, the LM4050AIM3-2.5+T does not require an external output capacitor for stable operation).
- What is the output noise of the LM4050AIM3-2.5+T?
The output noise is 41 μVrms from 10 Hz to 10 kHz).
- What are the typical applications of the LM4050AIM3-2.5+T?
It is used in portable battery-powered equipment, notebook computers, cell phones, industrial process controls, and automotive systems).
- Is the LM4050AIM3-2.5+T AEC-Q100 qualified?
Yes, the LM4050AIM3-2.5+T is AEC-Q100 qualified, making it suitable for automotive applications).
- What is the industrial temperature range of the LM4050AIM3-2.5+T?
The industrial temperature range is -40°C to +85°C, and the extended temperature range is -40°C to +125°C).
- What package type is the LM4050AIM3-2.5+T available in?
The LM4050AIM3-2.5+T is available in a 3-pin SOT-23 package).
