Overview
The LM4040AIM3-5.0+T is a precision micropower shunt voltage reference produced by Texas Instruments, although it is often listed under Analog Devices Inc./Maxim Integrated due to historical reasons and distribution channels. This device is part of the LM4040 series, known for its high precision and reliability in various applications.
It is available in several fixed reverse breakdown voltages, including 2.048V, 2.5V, 3V, 4.096V, 5V, 8.192V, and 10V, making it versatile for different design requirements. The LM4040AIM3-5.0+T is particularly noted for its ultra-small package options, such as the 3-pin SC70 surface-mount package, which is ideal for space-critical applications.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Output Voltage Tolerance (A Grade, 25°C) | - | - | - | ±0.1% | - |
| Low Output Noise (10Hz to 10kHz) | IR = 100μA | - | 35 | - | μVrms |
| Operating Current Range | - | 60μA | - | 15mA | - |
| Industrial Temperature Range | - | -40°C | - | +85°C | - |
| Extended Temperature Range | - | -40°C | - | +125°C | - |
| Average Reverse Breakdown Voltage Temperature Coefficient | IR = 1mA | - | - | ±20 ppm/°C | - |
| Reverse Dynamic Impedance | IR = 1mA, f = 120Hz, IAC = 0.1IR | 0.3 | - | 1.1 | Ω |
| Reverse Breakdown Voltage Long Term Stability | t = 1000 hrs, T = 25°C ±0.1°C, IR = 100μA | - | - | 120 ppm | - |
Key Features
- Ultra-Small Packages: Available in SOT-23, TO-92, and SC70 packages, making it ideal for space-critical applications.
- No Output Capacitor Required: Ensures stability without the need for an external stabilizing capacitor.
- Tolerates Capacitive Loads: Stable operation with any capacitive load.
- Fixed Reverse Breakdown Voltages: Available in several fixed voltages including 2.048V, 2.5V, 3V, 4.096V, 5V, 8.192V, and 10V.
- Low Output Noise: Typical wideband noise of 35μVrms from 10Hz to 10kHz.
- Wide Operating Current Range: Operates over a wide current range of 60μA to 15mA.
- AEC-Q100 Qualified: Suitable for automotive applications with extended temperature ranges.
Applications
- Field Transmitters: Used in precision voltage reference applications in field transmitters.
- Energy Infrastructure: Employed in various energy infrastructure systems requiring stable voltage references.
- Portable, Battery-Powered Equipment: Ideal for use in portable devices such as notebook computers and cell phones due to its low power consumption and high precision.
- Industrial Process Controls: Used in industrial process control systems where precise voltage references are critical).
- Automotive Systems: AEC-Q100 qualified, making it suitable for automotive applications).
Q & A
- What are the available package options for the LM4040AIM3-5.0+T?
The LM4040AIM3-5.0+T is available in SOT-23, TO-92, and SC70 packages.
- What is the typical output noise of the LM4040AIM3-5.0+T?
The typical wideband noise is 35μVrms from 10Hz to 10kHz.
- Does the LM4040AIM3-5.0+T require an external stabilizing capacitor?
No, it does not require an external stabilizing capacitor.
- What is the operating current range of the LM4040AIM3-5.0+T?
The operating current range is from 60μA to 15mA.
- What are the available fixed reverse breakdown voltages for the LM4040AIM3-5.0+T?
The available fixed reverse breakdown voltages include 2.048V, 2.5V, 3V, 4.096V, 5V, 8.192V, and 10V.
- Is the LM4040AIM3-5.0+T AEC-Q100 qualified?
Yes, it is AEC-Q100 qualified for automotive applications.
- What is the temperature coefficient of the LM4040AIM3-5.0+T?
The average reverse breakdown voltage temperature coefficient is ±20 ppm/°C.
- What is the reverse dynamic impedance of the LM4040AIM3-5.0+T?
The reverse dynamic impedance is 0.3 to 1.1 Ω at IR = 1mA, f = 120Hz, IAC = 0.1IR.
- What is the long-term stability of the reverse breakdown voltage?
The long-term stability is 120 ppm over 1000 hours at 25°C ±0.1°C and IR = 100μA.
- In which industries is the LM4040AIM3-5.0+T commonly used?
It is commonly used in automotive, industrial process control, energy infrastructure, and portable battery-powered equipment.
