Overview
The Texas Instruments LM124J/PB is a quad operational amplifier designed for a wide range of applications. It features four independent, high-gain, internally frequency-compensated op amps in a single package. This component is particularly useful in systems that require multiple amplifiers, offering the convenience of a single package while maintaining the performance of individual op amps. The LM124J/PB operates over a broad power supply range, making it versatile for various power supply configurations.
Key Specifications
| Parameter | Description |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | LM124J/PB |
| Package | DIP-14 (CDIP) |
| Number of Channels | 4 |
| Operating Temperature Range | -55°C to 125°C |
| Bandwidth (Unity Gain) | 1 MHz |
| DC Voltage Gain | 100 dB |
| Power Supply Range | Single Supply: 3 V to 32 V, Dual Supplies: ±1.5 V to ±16 V |
| Supply Current Drain | 700 µA (essentially independent of supply voltage) |
| Input Biasing Current | 45 nA (temperature compensated) |
| Input Offset Voltage | 2 mV |
| Input Offset Current | 5 nA |
| Input Common-Mode Voltage Range | Includes Ground |
Key Features
- Internally frequency compensated for unity gain.
- Large DC voltage gain of 100 dB.
- Wide bandwidth (unity gain) of 1 MHz (temperature compensated).
- Wide power supply range: single supply from 3 V to 32 V, or dual supplies from ±1.5 V to ±16 V.
- Very low supply current drain of 700 µA, essentially independent of supply voltage.
- Low input biasing current of 45 nA (temperature compensated).
- Low input offset voltage of 2 mV and offset current of 5 nA.
- Input common-mode voltage range includes ground.
- Differential input voltage range equal to the power supply voltage.
- Large output voltage swing to ground, even with single power supply operation.
Applications
The LM124J/PB is suitable for a variety of applications, including transducer amplifiers, DC gain blocks, and conventional op amp circuits. It is particularly useful in single power supply systems, such as those using the standard 5-V power supply voltage common in digital systems. This makes it ideal for implementing interface electronics without the need for additional ±15 V power supplies.
Q & A
- What is the package type of the LM124J/PB?
The LM124J/PB comes in a DIP-14 (CDIP) package. - How many operational amplifiers are included in the LM124J/PB?
The LM124J/PB includes four independent operational amplifiers. - What is the operating temperature range of the LM124J/PB?
The operating temperature range is -55°C to 125°C. - What is the bandwidth (unity gain) of the LM124J/PB?
The bandwidth (unity gain) is 1 MHz (temperature compensated). - What is the power supply range for the LM124J/PB?
The power supply range is from 3 V to 32 V for single supply, or ±1.5 V to ±16 V for dual supplies. - What is the supply current drain of the LM124J/PB?
The supply current drain is 700 µA, which is essentially independent of the supply voltage. - What is the input biasing current of the LM124J/PB?
The input biasing current is 45 nA (temperature compensated). - Can the LM124J/PB operate with a single power supply?
Yes, the LM124J/PB can operate with a single power supply, and it allows the output voltage to swing to ground even in single supply operation. - What are some common applications of the LM124J/PB?
Common applications include transducer amplifiers, DC gain blocks, and conventional op amp circuits, especially in single power supply systems. - Is the LM124J/PB RoHS compliant?
Yes, the LM124J/PB is RoHS compliant.
