Overview
The LM2902QDRG4Q1 is a quad operational amplifier (op-amp) manufactured by Texas Instruments. Designed for automotive applications, this op-amp is part of the LM2902-Q1 series, known for its reliability and performance in harsh environments. It is a general-purpose op-amp with four independent channels, making it suitable for a wide range of analog signal processing tasks. Its key features include low power consumption, a wide supply voltage range, and robust performance across extended temperature ranges. The LM2902QDRG4Q1 is ideal for automotive, industrial, and consumer electronics applications where precision and durability are critical.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Number of Channels | 4 | - | Independent op-amps |
| 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 |
| Input Bias Current | 250 | nA | Max |
| Operating Temperature | -40 to +125 | °C | Automotive range |
| Package | SOIC-14 | - | Surface mount |
| Common Mode Rejection Ratio | 80 | dB | Typical |
| Power Supply Current | 1.4 | mA | Per channel |
Key Features
- Quad-channel design for versatile analog signal processing.
- Wide supply voltage range (3V to 26V) for flexibility in various applications.
- Low power consumption, making it suitable for battery-powered devices.
- Robust performance across a wide temperature range (-40°C to +125°C).
- High common-mode rejection ratio (80 dB) for improved noise immunity.
- Surface-mount SOIC-14 package for compact PCB designs.
Applications
The LM2902QDRG4Q1 is widely used in automotive electronics, industrial control systems, and consumer electronics. In automotive applications, it is employed in sensor signal conditioning, power management, and motor control systems. In industrial settings, it is used for signal amplification, filtering, and control circuits. Additionally, its low power consumption and compact design make it suitable for portable and battery-powered consumer devices such as audio amplifiers and signal processing units.
Q & A
1. What is the operating voltage range of the LM2902QDRG4Q1?
The LM2902QDRG4Q1 operates with a supply voltage range of 3V to 26V, supporting both single and dual supply configurations.
2. What is the gain bandwidth product of this op-amp?
The gain bandwidth product is 1.2 MHz, which indicates its ability to amplify signals up to this frequency.
3. Is the LM2902QDRG4Q1 suitable for automotive applications?
Yes, it is designed for automotive applications and can operate reliably in harsh environments.
4. What is the typical input offset voltage?
The maximum input offset voltage is 7 mV.
5. How many channels does this op-amp have?
It has four independent channels, allowing for multiple signal processing tasks.
6. What is the maximum operating temperature?
The LM2902QDRG4Q1 can operate at temperatures up to +125°C.
7. What is the package type of this component?
It comes in a surface-mount SOIC-14 package.
8. What is the typical power supply current per channel?
The typical power supply current is 1.4 mA per channel.
9. Does this op-amp have a shutdown feature?
No, the LM2902QDRG4Q1 does not include a shutdown feature.
10. What is the common-mode rejection ratio (CMRR)?
The typical CMRR is 80 dB, ensuring effective noise rejection.
