Overview
The STMicroelectronics LM2904Q2T is a low-power dual operational amplifier designed for automotive and industrial control systems. It consists of two independent, high-gain operational amplifiers with internal frequency compensation. This device operates from a single power supply and is known for its low power consumption, which is essentially independent of the supply voltage. The LM2904Q2T is suitable for a wide range of applications, including transducer amplifiers, DC gain blocks, and conventional op-amp circuits, especially in single power supply systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VCC) | 3 to 30 | V |
| Differential Input Voltage (Vid) | ±VCC | V |
| Input Voltage Range | -0.3 to VCC + 0.3 | V |
| DC Voltage Gain | 100 dB | dB |
| Bandwidth (Unity Gain) | 1.1 MHz | MHz |
| Input Bias Current | 20 nA | nA |
| Input Offset Current | 2 nA | nA |
| Output Voltage Swing | 0 V to (VCC+ - 1.5 V) | V |
| Operating Temperature Range | -40 to 125 °C | °C |
| Package Type | QFN-8L P 0.5 mm |
Key Features
- Frequency compensation implemented internally
- Large DC voltage gain of 100 dB
- Wide bandwidth (unity gain) of 1.1 MHz (temperature compensated)
- Very low supply current per amplifier, essentially independent of supply voltage
- Low input bias current of 20 nA (temperature compensated)
- Low input offset current of 2 nA
- Input common-mode voltage range includes the negative rail
- Differential input voltage range equal to the power supply voltage
- Large output voltage swing from 0 V to (VCC+ - 1.5 V)
Applications
- Transducer amplifiers
- DC gain blocks
- Conventional op-amp circuits in single power supply systems
- Automotive control systems
- Industrial control systems
Q & A
- What is the LM2904Q2T used for?
The LM2904Q2T is used in various applications such as transducer amplifiers, DC gain blocks, and conventional op-amp circuits, particularly in automotive and industrial control systems.
- What is the supply voltage range for the LM2904Q2T?
The supply voltage range for the LM2904Q2T is from 3 to 30 volts.
- What is the DC voltage gain of the LM2904Q2T?
The DC voltage gain of the LM2904Q2T is 100 dB.
- What is the bandwidth of the LM2904Q2T at unity gain?
The bandwidth of the LM2904Q2T at unity gain is 1.1 MHz.
- What is the input bias current of the LM2904Q2T?
The input bias current of the LM2904Q2T is 20 nA.
- What is the operating temperature range for the LM2904Q2T?
The operating temperature range for the LM2904Q2T is from -40 to 125 °C.
- What package type is the LM2904Q2T available in?
The LM2904Q2T is available in a QFN-8L P 0.5 mm package.
- Is the LM2904Q2T suitable for single power supply systems?
- What are the key advantages of using the LM2904Q2T?
The key advantages include low power consumption, high DC voltage gain, wide bandwidth, and low input bias and offset currents, making it suitable for a variety of applications.
- Is the LM2904Q2T RoHS compliant?
