Overview
The LM324SNG is a quad operational amplifier produced by onsemi. It is part of the LM324 series, known for its low cost and versatility in single supply applications. This amplifier features true differential inputs and can operate at supply voltages ranging from 3.0 V to 32 V, making it suitable for a wide range of electronic systems. The LM324SNG is housed in a 14-pin PDIP package, enhancing its usability in various circuit designs.
Key Specifications
| Characteristics | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Offset Voltage | VIO | -2.0 | - | 5.0 | mV |
| Common Mode Rejection Ratio | CMR | 65 | 70 | - | dB |
| Power Supply Rejection Ratio | PSR | 65 | 100 | - | dB |
| Supply Voltage Range | VCC | 3.0 | - | 32 | V |
| Operating Temperature Range | Ta | 0 | - | 70 | °C |
| Input Bias Current | Ib | - | - | 50 | nA |
Key Features
- Low Cost and High Performance: The LM324SNG offers a balance of low cost and high performance, making it a popular choice for various applications.
- Wide Supply Voltage Range: It can operate at supply voltages from 3.0 V to 32 V, allowing for flexibility in different circuit designs.
- True Differential Inputs: The amplifier features true differential inputs, which enhance its ability to handle a wide range of input signals.
- High Common Mode Rejection Ratio (CMRR): With a CMRR of up to 70 dB, it provides good rejection of common-mode signals.
- Integrated RF and EMI Filter: The B versions of the LM324 series include integrated RF and EMI filters, improving the amplifier's immunity to electromagnetic interference.
- Low Input Bias Current: The amplifier has a low input bias current of up to 50 nA, which is beneficial for high-impedance source applications.
Applications
- Merchant Network and Server Power Supply Units: Used in power supply units for servers and network equipment due to its reliability and performance.
- Multi-function Printers: Employed in the control circuits of multi-function printers for signal amplification and processing.
- Power Supplies and Mobile Chargers: Utilized in various power supply and charging applications requiring stable and efficient amplification.
- Desktop PC and Motherboard: Found in the circuitry of desktop PCs and motherboards for signal processing and amplification.
- Home Appliances: Used in the control circuits of home appliances such as air conditioners, washers, dryers, and refrigerators.
Q & A
- What is the supply voltage range of the LM324SNG?
The LM324SNG can operate at supply voltages ranging from 3.0 V to 32 V.
- What is the typical input offset voltage of the LM324SNG?
The typical input offset voltage is around 2.0 mV to 5.0 mV.
- What is the common mode rejection ratio (CMRR) of the LM324SNG?
The CMRR is up to 70 dB.
- What is the operating temperature range of the LM324SNG?
The operating temperature range is from 0°C to 70°C.
- Does the LM324SNG have integrated RF and EMI filters?
The B versions of the LM324 series include integrated RF and EMI filters.
- What is the input bias current of the LM324SNG?
The input bias current is up to 50 nA.
- In what package is the LM324SNG available?
The LM324SNG is available in a 14-pin PDIP package.
- What are some common applications of the LM324SNG?
Common applications include power supply units, multi-function printers, power supplies, mobile chargers, desktop PCs, and home appliances.
- Is the LM324SNG suitable for automotive use?
The NCV2902 version, which is part of the same series, is qualified for automotive use, but the LM324SNG itself is not specifically mentioned for automotive applications.
- What is the channel separation of the LM324SNG?
The channel separation is typically around -120 dB at frequencies between 10 kHz and 20 kHz.
