Overview
The LM224NG4, produced by Texas Instruments, is a quad operational amplifier that is widely used in various electronic applications. It is part of the LM224 family, known for its versatility and reliability in low-power computing devices and household appliances. This component is particularly valued for its high gain, low power consumption, and wide range of operating voltages, making it suitable for a broad spectrum of uses.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (Single) | 3 to 30 | V |
| Supply Voltage (Dual) | ±1.5 to ±15 | V |
| Input Common Mode Voltage Range | 0 to VCC - 1.5 | V |
| Large Signal Voltage Gain | 100 dB | dB |
| Gain Bandwidth | 1.3 MHz | MHz |
| Input Bias Current | 20 nA | nA |
| Input Offset Voltage | 2 to 7 mV | mV |
| Operating Temperature Range | -40 to 105 | °C |
| Storage Temperature Range | -65 to 150 | °C |
| Thermal Resistance Junction to Ambient | 100 °C/W (TSSOP14) | °C/W |
Key Features
- Wide gain bandwidth: 1.3 MHz
- Input common mode voltage range includes ground
- Large voltage gain: 100 dB
- Very low supply current per amplifier: 375 µA
- Low input bias current: 20 nA
- Low input offset voltage: 2 to 7 mV
- Wide power supply range: Single supply (3 V to 30 V) and dual supplies (±1.5 V to ±15 V)
- High gain and low output impedance
- Unity-gain stable
Applications
- PC motherboards
- Mobile chargers and cell phone power supplies
- Power supplies for network servers and uninterruptible power supplies (UPSs)
- Printers and household appliances such as washing machines, dryers, and air conditioners
- Inverters: AC, central, and string inverters
- Voltage frequency drives
Q & A
- What is the LM224NG4?
The LM224NG4 is a quad operational amplifier produced by Texas Instruments, known for its high gain and low power consumption.
- What are the typical supply voltage ranges for the LM224NG4?
The LM224NG4 can operate from a single supply voltage of 3 V to 30 V or dual supplies of ±1.5 V to ±15 V.
- What is the gain bandwidth of the LM224NG4?
The gain bandwidth of the LM224NG4 is 1.3 MHz.
- What are some common applications of the LM224NG4?
Common applications include PC motherboards, mobile chargers, power supplies for network servers, household appliances, and inverters.
- What is the input bias current of the LM224NG4?
The input bias current is typically 20 nA.
- What is the operating temperature range of the LM224NG4?
The operating temperature range is -40°C to 105°C.
- Is the LM224NG4 unity-gain stable?
Yes, the LM224NG4 is unity-gain stable.
- What are some alternatives to the LM224NG4?
Alternatives include the LM324 and newer versions like the LM324B, which offer enhanced specifications and features.
- How many operational amplifiers are included in the LM224NG4?
The LM224NG4 includes four independent operational amplifiers.
- What is the maximum junction temperature for the LM224NG4?
The maximum junction temperature is 150°C.
