Overview
The LM2904PT, produced by STMicroelectronics, is a low-power dual operational amplifier designed for automotive and industrial control systems. This component consists of two independent, high-gain operational amplifiers with internal frequency compensation, allowing it to operate from a single power supply over a wide range of voltages. The LM2904PT is particularly suited for applications requiring low power consumption and high performance in single power supply systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VCC) | 3 to 30 | V |
| DC Voltage Gain | 100 dB | - |
| Bandwidth (Unity Gain) | 1.1 MHz | - |
| Input Bias Current | 20 nA | - |
| Input Offset Current | 2 nA | - |
| Input Common-Mode Voltage Range | VCC- to VCC+ - 1.5 V | - |
| Differential Input Voltage Range | Equal to the power supply voltage | - |
| Output Voltage Swing | 0 V to (VCC+ - 1.5 V) | - |
| Operating Temperature Range | -40 to 125 °C | - |
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
Q & A
- What is the LM2904PT used for?
The LM2904PT is used in automotive and industrial control systems, particularly for applications such as transducer amplifiers, DC gain blocks, and conventional op-amp circuits in single power supply systems.
- What is the supply voltage range for the LM2904PT?
The LM2904PT operates from a supply voltage range of 3 to 30 V.
- What is the DC voltage gain of the LM2904PT?
The LM2904PT has a large DC voltage gain of 100 dB.
- What is the bandwidth of the LM2904PT at unity gain?
The bandwidth at unity gain is 1.1 MHz (temperature compensated).
- What is the input bias current of the LM2904PT?
The input bias current is 20 nA (temperature compensated).
- What is the input offset current of the LM2904PT?
The input offset current is 2 nA.
- What is the operating temperature range of the LM2904PT?
The operating temperature range is -40 to 125 °C.
- Can the LM2904PT operate from a single power supply?
- What is the output voltage swing of the LM2904PT?
The output voltage swing is from 0 V to (VCC+ - 1.5 V).
- Is the LM2904PT suitable for automotive applications?
