Overview
The LM2904D is a dual operational amplifier produced by STMicroelectronics. It is designed specifically for automotive and industrial control systems, offering high gain and internal frequency compensation. This amplifier operates from a single power supply over a wide range of voltages, making it versatile for various applications. The LM2904D is known for its low power supply drain, which is independent of the magnitude of the power supply voltage, making it energy-efficient.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| No of Channels | 2 | |
| Slew Rate-Nom | 0.6 | V/µs |
| Input Offset Voltage-Max | 7 | mV |
| Package Style | SOIC-8 | |
| Mounting Method | Surface Mount | |
| Operating Temperature-Min | -40 | °C |
| Operating Temperature-Max | 125 | °C |
| Supply Current-Max | 500 | µA |
| Supply Voltage Limit-Max | 30 | V |
| Unity Gain Bandwidth | 1.1 | MHz |
| Input Bias Current | 20 | nA |
| Input Offset Current | 2 | nA |
Key Features
- Internally frequency-compensated
- Large DC voltage gain: 100 dB
- Wide bandwidth (unity gain): 1.1 MHz (temperature compensated)
- Very low supply current/op (500 μA) essentially independent of supply voltage
- Low input bias current: 20 nA (temperature compensated)
- Low input offset current: 2 nA
- Input common-mode voltage range includes negative rail
- Differential input voltage range equal to the power supply voltage
- Large output voltage swing 0 V to (VCC+ -1.5 V)
Applications
The LM2904D is specifically designed for use in automotive and industrial control systems. Its robust specifications and wide operating temperature range make it suitable for a variety of applications, including:
- Automotive systems: engine control, transmission control, and other automotive electronics.
- Industrial control systems: process control, monitoring systems, and automation.
- General-purpose amplification: where high gain, low power consumption, and wide bandwidth are required.
Q & A
- What is the LM2904D operational amplifier used for?
The LM2904D is used in automotive and industrial control systems due to its high gain, internal frequency compensation, and low power consumption.
- What is the operating temperature range of the LM2904D?
The operating temperature range of the LM2904D is from -40°C to 125°C.
- What is the package style of the LM2904D?
The LM2904D comes in an SOIC-8 package style.
- What is the slew rate of the LM2904D?
The slew rate of the LM2904D is 0.6 V/µs.
- What is the input offset voltage of the LM2904D?
The input offset voltage of the LM2904D is up to 7 mV.
- What is the supply current of the LM2904D?
The supply current of the LM2904D is approximately 500 µA per operational amplifier.
- What is the unity gain bandwidth of the LM2904D?
The unity gain bandwidth of the LM2904D is 1.1 MHz.
- Is the LM2904D RoHS compliant?
- What is the maximum supply voltage for the LM2904D?
The maximum supply voltage for the LM2904D is 30 V.
- What are some key applications of the LM2904D?
The LM2904D is used in automotive systems, industrial control systems, and general-purpose amplification where high gain and low power consumption are required.
