Overview
The LM2902NG is a low-power quad operational amplifier produced by onsemi. This device is part of the LM2902 series, known for its versatility and reliability in various applications. The LM2902NG features four independent, high-gain operational amplifiers with internal frequency compensation, making it suitable for a wide range of analog circuits. It operates on a single supply voltage ranging from 3.0 V to 32 V, with a quiescent current significantly lower than earlier models like the MC1741. The common mode input range includes the negative supply voltage, eliminating the need for external biasing components in many cases.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | 3.0 to 32 | V |
| Operating Temperature Range | -40 to 105 | °C |
| Quiescent Current (Typical) | 0.35 | mA |
| Input Offset Voltage (Typical) | 7 | mV |
| Input Offset Current (Typical) | 1.2 | nA |
| Common Mode Rejection Ratio (Typical) | 70 | dB |
| Output Short-Circuit Current (Typical) | 40 | mA |
| Slew Rate (Typical) | 0.4 | V/µs |
| Gain Bandwidth Product (Typical) | 1.3 | MHz |
| Package Type | PDIP-14 |
Key Features
- Single Supply Operation: The LM2902NG can operate on a single supply voltage from 3.0 V to 32 V.
- Low Quiescent Current: The device has a quiescent current of about one-fifth of that associated with the MC1741.
- True Differential Input Stage: Ensures high input impedance and accurate signal processing.
- Internally Compensated: No external compensation components are required.
- Common Mode Range Extends to Negative Supply: Reduces the need for external biasing components.
- Industry Standard Pinouts: Compatible with standard op-amp pin configurations.
- ESD Clamps on Inputs: Increases ruggedness without affecting device operation.
- Short Circuited Protected Outputs: Protects the device from short-circuit conditions.
Applications
- Buffer Circuits: Used to isolate and buffer signals in various analog circuits.
- Gain Circuits: Suitable for amplifying signals in audio, instrumentation, and other applications.
- Automotive: Used in automotive systems due to its robustness and wide operating temperature range.
- Industrial: Employed in industrial control systems, sensors, and monitoring equipment.
- DC Differential Amplifiers: Used in high input impedance DC differential amplifier configurations.
Q & A
- What is the supply voltage range of the LM2902NG?
The LM2902NG operates on a single supply voltage ranging from 3.0 V to 32 V.
- What is the typical quiescent current of the LM2902NG?
The typical quiescent current is 0.35 mA.
- What is the common mode rejection ratio (CMRR) of the LM2902NG?
The CMRR is typically 70 dB.
- What is the slew rate of the LM2902NG?
The slew rate is typically 0.4 V/µs.
- What is the gain bandwidth product (GBP) of the LM2902NG?
The GBP is typically 1.3 MHz.
- What are the key features of the LM2902NG's input stage?
The device features a true differential input stage and has ESD clamps on the inputs to increase ruggedness.
- What types of applications is the LM2902NG suitable for?
The LM2902NG is suitable for buffer circuits, gain circuits, automotive, industrial, and DC differential amplifier applications.
- What is the operating temperature range of the LM2902NG?
The operating temperature range is -40°C to 105°C.
- What is the package type of the LM2902NG?
The package type is PDIP-14.
- Is the LM2902NG internally compensated?
Yes, the LM2902NG is internally compensated and does not require external compensation components.
