Overview
The LM358APG4, produced by Texas Instruments, is a versatile and low-power dual operational amplifier (op-amp) IC. It is part of the LM358 series, which is designed to operate from a single power supply over a wide range of voltages. This IC features two internally frequency-compensated, high-gain, independent operational amplifiers, making it suitable for various applications including transducer amplifiers, DC gain blocks, and conventional op-amp circuits.
Key Specifications
| Characteristic | Unit | Min | Typ | Max |
|---|---|---|---|---|
| Supply Voltage (Single Supply) | V | 3 | - | 32 |
| Supply Voltage (Dual Supplies) | V | ±1.5 | - | ±16 |
| Quiescent Current per Amplifier | µA | - | 300 | - |
| Input Offset Voltage | mV | -2.0 | 5.0 | 7.0 |
| Unity-Gain Bandwidth | MHz | - | 1.2 | - |
| Common-Mode Input Voltage Range | V | V- | - | V+ - 1.7 |
| Differential Input Voltage Range | V | -32 | - | 32 |
| Output Voltage Swing | V | 0 | - | V+ - 1.5 |
| Operating Ambient Temperature | °C | 0 | - | 70 |
Key Features
- Internally frequency-compensated for unity gain stability.
- Large DC voltage gain of 100 dB.
- Very low supply current drain (approximately 500 µA), independent of the magnitude of the power supply voltage.
- Wide bandwidth (unity gain): 1 MHz (temperature compensated).
- Input common-mode voltage range includes ground.
- Differential input voltage range equal to the power supply voltage.
- Low input offset voltage: 2 mV.
- Wide power supply range: single supply from 3V to 32V and dual supplies from ±1.5V to ±16V.
- Large output voltage swing: 0V to V+ - 1.5V.
- High ESD protection (2 kV, HBM) and integrated EMI and RF filters.
Applications
- Transducer amplifiers.
- DC gain blocks.
- Conventional op-amp circuits.
- Power supplies and mobile chargers.
- Motor control (AC induction, brushed DC, brushless DC, high-voltage, low-voltage, permanent magnet, and stepper motor).
- Desktop PC and motherboard.
- Indoor and outdoor air conditioners.
- Washers, dryers, and refrigerators.
- AC inverters, string inverters, central inverters, and voltage frequency drives).
- Uninterruptible power supplies).
- Electronic point-of-sale systems).
Q & A
- What is the LM358APG4 used for?
The LM358APG4 is used as a transducer amplifier, a DC gain block, and in various conventional op-amp circuits. It operates within a broad power supply range and supports a wide output voltage swing.
- What is the difference between LM358 and LM741?
The LM358 is a low-power operational amplifier, while the LM741 is typically used as a voltage comparator).
- Can LM324 and LM358 be replaced with each other?
The LM358 is an 8-pin dual operational amplifier, whereas the LM324 is a 14-pin quad operational amplifier. While they share identical parameters, some adjustments to the circuit board may be necessary. The LM358 is often preferred due to its simpler circuit board design).
- What are the advantages of LM358 over LM258?
The LM358 has a wider operating temperature range and can handle higher supply voltages compared to the LM258. It also offers better performance in terms of input offset voltage and quiescent current).
- What is the input common-mode voltage range of the LM358APG4?
The input common-mode voltage range includes ground and extends up to V+ - 1.7V).
- What is the typical quiescent current per amplifier for the LM358APG4?
The typical quiescent current per amplifier is approximately 300 µA).
- What is the unity-gain bandwidth of the LM358APG4?
The unity-gain bandwidth is 1.2 MHz (temperature compensated)).
- Does the LM358APG4 support dual power supplies?
- What is the maximum differential input voltage for the LM358APG4?
The maximum differential input voltage range is equal to the power supply voltage, up to 32V).
- What kind of packaging is available for the LM358APG4?
The LM358APG4 is available in various packages, including SOIC, TSSOP, VSSOP, and micro-sized packaging such as SOT23-8).
