Overview
The LM4132AMFX-3.0/NOPB is a precision voltage reference IC produced by Texas Instruments. This component is part of the LM4132 family, which is known for its high accuracy and low temperature coefficient, making it comparable to the best laser-trimmed bipolar references but in cost-effective CMOS technology. The LM4132AMFX-3.0/NOPB is specifically designed to provide a fixed 3V output with an initial accuracy of ±0.05% and a temperature coefficient of 10 ppm/°C. It is packaged in a SOT-23-5 package, making it suitable for space-critical applications.
Key Specifications
| Parameter | Description |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | LM4132AMFX-3.0/NOPB |
| Package | SOT-23-5 |
| Output Voltage | 3V ±0.05% |
| Input Voltage Range | 3.4V to 5.5V |
| Output Current | 20 mA |
| Supply Current | 60 µA |
| Operating Temperature Range | -40°C to 125°C |
| Temperature Coefficient | 10 ppm/°C |
| Noise (0.1Hz to 10Hz) | 285 µVp-p |
| Dropout Voltage | 400 mV at 10 mA |
| Shutdown Current | 3 µA |
Key Features
- Precision Voltage Reference: Provides a fixed 3V output with an initial accuracy of ±0.05% and a temperature coefficient of 10 ppm/°C.
- Low Supply Current: Operates with a low quiescent current of 60 µA and a shutdown mode current of 3 µA.
- High Output Current: Capable of delivering up to 20 mA without the need for an output capacitor or buffer amplifier.
- Compact Packaging: Available in a SOT-23-5 package, ideal for space-critical applications.
- Enable Pin: Features an enable pin allowing for a low-power shutdown mode.
- Stability with Low-ESR Ceramic Capacitors: Ensures stable operation with low-ESR ceramic capacitors.
- AEC-Q100 Qualified: Qualified for automotive applications with a device temperature grade of –40°C to +125°C.
Applications
- Instrumentation and Process Control: Suitable for precision measurement and control systems.
- Test Equipment: Used in various test and measurement devices requiring stable voltage references.
- Data Acquisition Systems: Ideal for data acquisition systems that require high accuracy and stability.
- Portable, Battery-Powered Equipment: Optimized for low power consumption, making it suitable for battery-powered devices.
- Automotive and Industrial Systems: Qualified for automotive and industrial applications due to its robust specifications and AEC-Q100 qualification.
- Medical Equipment: Used in medical devices where high precision and reliability are crucial.
- Precision Regulators and Battery Chargers: Employed in precision voltage regulators and battery charging systems.
- Communications Equipment: Utilized in communication systems requiring stable voltage references.
Q & A
- What is the output voltage of the LM4132AMFX-3.0/NOPB?
The output voltage of the LM4132AMFX-3.0/NOPB is 3V with an initial accuracy of ±0.05%.
- What is the input voltage range for the LM4132AMFX-3.0/NOPB?
The input voltage range for the LM4132AMFX-3.0/NOPB is 3.4V to 5.5V.
- What is the maximum output current of the LM4132AMFX-3.0/NOPB?
The maximum output current of the LM4132AMFX-3.0/NOPB is 20 mA.
- What is the supply current of the LM4132AMFX-3.0/NOPB?
The supply current of the LM4132AMFX-3.0/NOPB is 60 µA, and it drops to 3 µA in shutdown mode.
- What is the operating temperature range of the LM4132AMFX-3.0/NOPB?
The operating temperature range of the LM4132AMFX-3.0/NOPB is –40°C to 125°C.
- Is the LM4132AMFX-3.0/NOPB AEC-Q100 qualified?
Yes, the LM4132AMFX-3.0/NOPB is AEC-Q100 qualified for automotive applications.
- What is the temperature coefficient of the LM4132AMFX-3.0/NOPB?
The temperature coefficient of the LM4132AMFX-3.0/NOPB is 10 ppm/°C.
- Does the LM4132AMFX-3.0/NOPB require an output capacitor or buffer amplifier?
No, the LM4132AMFX-3.0/NOPB does not require an output capacitor or buffer amplifier.
- What is the dropout voltage of the LM4132AMFX-3.0/NOPB?
The dropout voltage of the LM4132AMFX-3.0/NOPB is 400 mV at 10 mA.
- What are some common applications of the LM4132AMFX-3.0/NOPB?
The LM4132AMFX-3.0/NOPB is used in instrumentation, process control, test equipment, data acquisition systems, portable battery-powered equipment, automotive and industrial systems, medical equipment, precision regulators, and battery chargers.
