Overview
The LM2902DG is a low-cost, quad operational amplifier produced by onsemi. It features true differential inputs and is designed for single supply applications. The device can operate at supply voltages ranging from 3.0 V to 32 V, with quiescent currents significantly lower than those of the MC1741. This makes it highly efficient for various applications. The common mode input range includes the negative supply, eliminating the need for external biasing components in many cases. The output voltage range also includes the negative power supply voltage, enhancing its versatility.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 3.0 | 32 | V | |
| Common Mode Input Voltage Range | (VCC -) - 1.5 | (VCC -) - 2 | V | |
| Input Offset Voltage (VIO) | 2 | 7 | 9 | mV |
| Input Offset Current (Iio) | 0.4 | nA | ||
| Gain Bandwidth Product (GBP) | 1.3 | MHz | ||
| Slew Rate (SR) | 0.4 | V/μs | ||
| Output Current (IO) | 40 | mA | ||
| Common Mode Rejection Ratio (CMRR) | 70 | dB | ||
| Operating Temperature Range | -40 | 105 | °C |
Key Features
- Short Circuited Protected Outputs: The LM2902DG has outputs that are protected against short circuits, enhancing reliability and durability.
- True Differential Input Stage: This feature allows for true differential input operation, which is crucial for many applications.
- Single Supply Operation: The device can operate on a single supply voltage ranging from 3.0 V to 32 V.
- Four Amplifiers Per Package: The LM2902DG includes four independent operational amplifiers in a single package.
- Internally Compensated: The amplifiers are internally compensated, simplifying the design process.
- Common Mode Range Extends to Negative Supply: This feature eliminates the need for external biasing components in many applications.
- Industry Standard Pinouts: The pinouts are industry standard, making it easier to integrate into existing designs.
- ESD Clamps on the Inputs: The inputs are protected with ESD clamps, increasing the ruggedness of the device without affecting its operation.
- Pb-Free, Halogen Free/BFR Free, and RoHS Compliant: The device is environmentally friendly and compliant with various regulatory standards.
Applications
- Automotive Control Systems: The LM2902DG is specifically designed for use in automotive control systems due to its robust features and wide operating temperature range.
- Industrial Control Systems: It is also widely used in industrial control systems where reliability and durability are critical.
- Buffer Circuits: The device can be used in buffer circuits to maintain signal integrity.
- Gain Circuits: It is suitable for gain circuits where precise amplification is required.
Q & A
- What is the supply voltage range for the LM2902DG?
The LM2902DG can operate at supply voltages ranging from 3.0 V to 32 V.
- How many operational amplifiers are included in the LM2902DG package?
The LM2902DG includes four independent operational amplifiers in a single package.
- What is the common mode input voltage range for the LM2902DG?
The common mode input voltage range includes the negative supply, extending from (VCC -) - 1.5 V to (VCC -) - 2 V.
- Is the LM2902DG protected against short circuits?
Yes, the LM2902DG has outputs that are protected against short circuits.[
- What is the operating temperature range for the LM2902DG?
The operating temperature range for the LM2902DG is from -40°C to 105°C.[
- Is the LM2902DG RoHS compliant?
Yes, the LM2902DG is Pb-Free, Halogen Free/BFR Free, and RoHS compliant.[
- What are the typical applications of the LM2902DG?
The LM2902DG is typically used in automotive and industrial control systems, as well as in buffer and gain circuits.[
- Does the LM2902DG have ESD protection on its inputs?
Yes, the LM2902DG has ESD clamps on the inputs to increase ruggedness without affecting device operation.[
- What is the gain bandwidth product of the LM2902DG?
The gain bandwidth product (GBP) of the LM2902DG is typically 1.3 MHz.[
- What is the slew rate of the LM2902DG?
The slew rate (SR) of the LM2902DG is typically 0.4 V/μs.[
