Overview
The LM324ADR2G is a quad operational amplifier produced by onsemi, designed for a wide range of applications requiring multiple op-amp circuits. This device is part of the LM324 series, known for its low cost, true differential inputs, and robust performance characteristics. The LM324ADR2G is particularly suited for single-supply operations and offers several advantages over other operational amplifiers, including high channel separation and good common-mode rejection ratio (CMRR) and power supply rejection ratio (PSRR).
Key Specifications
| Characteristic | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Operating Temperature Range | 0°C | - | 70°C | °C |
| Output Voltage - High Limit (VCC = 5.0 V, RL = 2.0 kΩ, TA = 25°C) | 3.3 | 3.5 | - | V |
| Output Voltage - Low Limit (VCC = 5.0 V, RL = 10 kΩ, TA = Thigh to Tlow) | - | - | 20 | mV |
| Common Mode Rejection Ratio (CMRR) | 65 | 70 | 85 | dB |
| Power Supply Rejection Ratio (PSRR) | 50 | 65 | 100 | dB |
| Channel Separation (10 kHz ≤ f ≤ 20 kHz) | -120 | - | - | dB |
| Input Bias Current | - | - | 100 | nA |
| Package Type | - | - | SOIC-14 (Pb-Free) | - |
Key Features
- Quad Operational Amplifiers: The LM324ADR2G contains four internally compensated, two-stage operational amplifiers, making it ideal for applications requiring multiple op-amp circuits.
- True Differential Inputs: This device features true differential inputs, enhancing its performance in various signal processing applications.
- Single Supply Operation: The LM324ADR2G can operate from a single power supply, simplifying circuit design and reducing component count.
- High Channel Separation: It offers high channel separation, ensuring minimal cross-talk between the four op-amps.
- Good CMRR and PSRR: The device has a high common-mode rejection ratio (CMRR) and power supply rejection ratio (PSRR), making it robust against noise and power supply variations.
- Wide Operating Temperature Range: The LM324ADR2G operates over a temperature range of 0°C to 70°C, making it suitable for a variety of environmental conditions.
Applications
- Audio and Video Equipment: The LM324ADR2G is often used in audio and video circuits due to its high fidelity and low noise characteristics.
- Medical Devices: Its robust performance and reliability make it suitable for use in medical devices such as ECG and EEG machines.
- Industrial Control Systems: This op-amp is used in various industrial control systems for signal conditioning and amplification.
- Automotive Systems: Although the LM324ADR2G itself is not automotive-qualified, the LM324 series includes variants that are qualified for automotive use, such as the NCV2902.
- Consumer Electronics: It is widely used in consumer electronics for general-purpose amplification and signal processing tasks.
Q & A
- What is the operating temperature range of the LM324ADR2G?
The operating temperature range of the LM324ADR2G is from 0°C to 70°C.
- What is the typical output voltage high limit for the LM324ADR2G?
The typical output voltage high limit for the LM324ADR2G is 3.5 V when VCC = 5.0 V and RL = 2.0 kΩ at TA = 25°C.
- What is the common-mode rejection ratio (CMRR) of the LM324ADR2G?
The CMRR of the LM324ADR2G is typically 70 dB, with a minimum of 65 dB and a maximum of 85 dB.
- Can the LM324ADR2G operate from a single power supply?
Yes, the LM324ADR2G can operate from a single power supply, making it convenient for many applications.
- What is the package type of the LM324ADR2G?
The LM324ADR2G is available in a SOIC-14 (Pb-Free) package.
- What are the key features of the LM324ADR2G?
The key features include true differential inputs, high channel separation, good CMRR and PSRR, and single supply operation.
- What are some common applications of the LM324ADR2G?
Common applications include audio and video equipment, medical devices, industrial control systems, and consumer electronics.
- Is the LM324ADR2G automotive-qualified?
No, the LM324ADR2G is not automotive-qualified, but there are variants in the LM324 series that are qualified for automotive use.
- What is the input bias current of the LM324ADR2G?
The input bias current of the LM324ADR2G is typically less than 100 nA.
- Where can I find detailed specifications for the LM324ADR2G?
Detailed specifications can be found in the datasheet available on the onsemi website or through distributors like Digi-Key and Mouser Electronics.
