Overview
The LM2902QDRQ1, manufactured by Texas Instruments, is a quad operational amplifier designed for automotive applications. This component is part of the LM2902-Q1 series, known for its reliability and performance in harsh environments. It is particularly suited for automotive systems, offering a robust solution for signal conditioning, filtering, and amplification tasks. The LM2902QDRQ1 stands out for its low power consumption, wide operating voltage range, and high gain bandwidth product, making it a versatile choice for engineers in the automotive industry.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Number of Channels | 4 | ||
| Supply Voltage | 3 to 26 | V | Single or dual supply |
| Gain Bandwidth Product | 1.2 | MHz | |
| Slew Rate | 0.5 | V/µs | |
| Input Offset Voltage | 7 | mV | Max |
| Operating Temperature | -40 to +125 | °C | |
| Package | SOIC-14 | ||
| Input Bias Current | 250 | nA | Max |
| Common Mode Rejection Ratio | 80 | dB | |
| Output Current | 20 | mA |
Key Features
- Quad operational amplifier with wide supply voltage range
- High gain bandwidth product for accurate signal amplification
- Low power consumption, suitable for battery-operated devices
- Robust design for automotive applications, ensuring reliability in harsh conditions
- No shutdown feature, providing continuous operation
Applications
The LM2902QDRQ1 is widely used in automotive electronics for various applications such as sensor signal conditioning, active filtering, and general-purpose amplification. Its robust design and wide operating temperature range make it ideal for use in engine control units, infotainment systems, and advanced driver-assistance systems (ADAS). Additionally, its low power consumption and high performance characteristics are beneficial in portable and battery-powered automotive devices.
Q & A
What is the operating voltage range of the LM2902QDRQ1?
The LM2902QDRQ1 operates within a voltage range of 3V to 26V, accommodating both single and dual supply configurations.
Can the LM2902QDRQ1 be used in high-temperature environments?
Yes, it is designed to operate in temperatures ranging from -40°C to +125°C, making it suitable for automotive and industrial applications.
What is the significance of the gain bandwidth product in the LM2902QDRQ1?
The gain bandwidth product of 1.2 MHz indicates the frequency range over which the amplifier can effectively amplify signals, ensuring accurate signal processing in various applications.
Is the LM2902QDRQ1 suitable for battery-powered devices?
Yes, its low power consumption makes it an excellent choice for battery-powered and portable devices.
What package does the LM2902QDRQ1 come in?
It is available in a SOIC-14 package, which is compact and suitable for surface mount technology.
How does the LM2902QDRQ1 handle input offset voltage?
It has a maximum input offset voltage of 7 mV, which is relatively low, ensuring minimal error in signal amplification.
What is the slew rate of the LM2902QDRQ1?
The slew rate is 0.5 V/µs, indicating how quickly the amplifier can respond to changes in input signal.
Can the LM2902QDRQ1 be used in audio applications?
While primarily designed for automotive applications, its characteristics may allow for use in certain audio applications, though it is not specifically optimized for audio.
What is the input bias current of the LM2902QDRQ1?
The maximum input bias current is 250 nA, which is low, reducing the load on the input signal source.
Is the LM2902QDRQ1 RoHS compliant?
Yes, it is RoHS compliant, adhering to environmental standards for the use of hazardous substances.
