Overview
The LM2902PWRG3 is a next-generation operational amplifier produced by Texas Instruments. It offers exceptional value for cost-sensitive applications with its low offset voltage, common-mode input range to ground, and high differential input voltage capability. This device is well-suited for a wide range of uses due to its unity-gain stability and low quiescent current of 240 µA per amplifier. The LM2902PWRG3 is designed to deliver consistent performance and can seamlessly replace all versions of the LM224, LM324, and LM2902 devices, making it a versatile and convenient choice for various projects.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of channels | 4 | |
| Total supply voltage (max) | 26 | V |
| Total supply voltage (min) | 3 | V |
| Gain Bandwidth (typ) | 1.2 | MHz |
| Slew rate (typ) | 0.5 | V/µs |
| Offset voltage at 25°C (max) | 3 | mV |
| Quiescent current per channel (typ) | 0.175 | mA |
| Input bias current (max) | 50 | nA |
| Operating temperature range | -40 to 125 | °C |
| Package/Case | TSSOP-14 |
Key Features
- Next-generation LM324B and LM2902B versions, which are drop-in replacements for all versions of LM224, LM324, and LM2902.
- Improved specifications of B version, including low input offset voltage (±2 mV for BA version / 3 mV for B version).
- Supply range: 3 V to 36 V (B, BA versions).
- ESD rating: 2 kV (HBM), 1.5 kV (CDM).
- Integrated RF and EMI filter for enhanced EMI rejection.
- Low input bias current: 50 nA maximum (across –40°C to 125°C).
- Common-mode input voltage range includes V–.
- Input voltage differential can be driven up to supply voltage.
- High driving load capacity with an output current of 60 mA per channel.
- Low-power performance with a quiescent current of 240 µA per amplifier and a static current of 20 nA when no signal is input.
Applications
- Laboratory and testing equipment: Used in laboratory testing equipment, measuring instruments, and scientific research for applications such as signal amplification, frequency conversion, and noise control.
- Medical field: In certain medical devices and diagnostic systems, it is used to process and enhance signals to improve accuracy and precision.
- Audio processing: Used in sound systems, headphones, speakers, etc., to enhance the volume and clarity of sound.
- Video equipment: Used in TVs, monitors, projectors, etc., to enhance the brightness and contrast of video signals.
- Industrial automation: Used in industrial control equipment, measuring instruments, robots, and other fields to achieve precise control and measurement of various parameters).
Q & A
- What is the LM2902PWRG3?
The LM2902PWRG3 is a next-generation operational amplifier produced by Texas Instruments, designed for cost-sensitive applications with low offset voltage and high differential input voltage capability.
- What is the supply voltage range of the LM2902PWRG3?
The supply voltage range of the LM2902PWRG3 is from 3 V to 36 V).
- What is the typical gain bandwidth of the LM2902PWRG3?
The typical gain bandwidth of the LM2902PWRG3 is 1.2 MHz).
- What is the maximum offset voltage of the LM2902PWRG3?
The maximum offset voltage of the LM2902PWRG3 is 3 mV).
- What is the quiescent current per amplifier of the LM2902PWRG3?
The quiescent current per amplifier of the LM2902PWRG3 is typically 240 µA).
- What is the ESD rating of the LM2902PWRG3?
The ESD rating of the LM2902PWRG3 is 2 kV (HBM) and 1.5 kV (CDM)).
- Can the LM2902PWRG3 replace other operational amplifiers?
Yes, the LM2902PWRG3 can seamlessly replace all versions of the LM224, LM324, and LM2902 devices).
- What is the operating temperature range of the LM2902PWRG3?
The operating temperature range of the LM2902PWRG3 is from –40°C to 125°C).
- What are some common applications of the LM2902PWRG3?
The LM2902PWRG3 is used in laboratory and testing equipment, medical devices, audio processing, video equipment, and industrial automation).
- What is the package type of the LM2902PWRG3?
The LM2902PWRG3 comes in a 14-pin TSSOP (PW) package).
