Overview
The LM4040CIM3-5.0/NOPB is a precision micropower shunt voltage reference produced by Texas Instruments. This component is designed for space-critical applications and is available in a small SOT-23-3 surface-mount package. It is part of the LM4040 series, which offers fixed reverse breakdown voltages, including 5V, 2.5V, 3V, 4.096V, 8.192V, and 10V. The LM4040CIM3-5.0/NOPB is particularly suited for applications requiring a stable and precise voltage reference with minimal design effort.
Key Specifications
| Parameter | Description |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | LM4040CIM3-5.0/NOPB |
| Package | SOT-23-3 |
| Nominal Output Voltage | 5 V |
| Output Voltage Tolerance (25°C) | ±0.5% |
| Operating Current Range | 60 µA to 15 mA |
| Industrial Temperature Range | −40°C to +85°C |
| Extended Temperature Range | −40°C to +125°C |
| Temperature Coefficient | 100 ppm/°C (maximum) |
| Output Noise (10Hz to 10kHz) | 35 µVrms (typical) |
| Reverse Dynamic Impedance | 0.3 to 1.1 Ω |
| Moisture Sensitivity Level (MSL) | 1 |
Key Features
- No output capacitor required, making it easy to use in various applications.
- Tolerates capacitive loads, ensuring stability with any capacitive load.
- Fixed reverse breakdown voltages available in several options, including 5V.
- Low output noise of 35 µVrms (typical) over the 10Hz to 10kHz frequency range.
- Wide operating current range from 60 µA to 15 mA.
- Low temperature coefficient of 100 ppm/°C (maximum).
- AEC Q-100 qualified for automotive applications (LM4040-N-Q1 version).
- Available in small packages such as SOT-23, TO-92, and SC70.
Applications
- Field Transmitters: Used for precise voltage referencing in field transmitter applications.
- Energy Infrastructure: Suitable for various energy infrastructure applications requiring stable voltage references.
- Automotive: AEC Q-100 qualified versions are available for automotive applications.
- Industrial Control Systems: Used in industrial control systems where precise voltage references are critical.
- Medical Devices: Can be used in medical devices that require stable and precise voltage references.
Q & A
- What is the nominal output voltage of the LM4040CIM3-5.0/NOPB?
The nominal output voltage is 5 V.
- What is the operating temperature range of the LM4040CIM3-5.0/NOPB?
The industrial temperature range is −40°C to +85°C, and the extended temperature range is −40°C to +125°C.
- Does the LM4040CIM3-5.0/NOPB require an external stabilizing capacitor?
No, it does not require an external stabilizing capacitor.
- What is the maximum operating current of the LM4040CIM3-5.0/NOPB?
The maximum operating current is 15 mA.
- What is the temperature coefficient of the LM4040CIM3-5.0/NOPB?
The temperature coefficient is 100 ppm/°C (maximum).
- Is the LM4040CIM3-5.0/NOPB AEC Q-100 qualified?
The LM4040-N-Q1 version is AEC Q-100 qualified for automotive applications.
- What is the output noise of the LM4040CIM3-5.0/NOPB?
The output noise is 35 µVrms (typical) over the 10Hz to 10kHz frequency range.
- What package types are available for the LM4040 series?
The LM4040 series is available in SOT-23, TO-92, and SC70 packages.
- What is the moisture sensitivity level (MSL) of the LM4040CIM3-5.0/NOPB?
The MSL is 1.
- What are some common applications of the LM4040CIM3-5.0/NOPB?
Common applications include field transmitters, energy infrastructure, automotive systems, industrial control systems, and medical devices.
