Overview
The LM358AP is a dual operational amplifier from Texas Instruments, designed to operate from a single supply or split supply over a wide range of voltages. This device consists of two independent, high-gain frequency-compensated operational amplifiers, making it versatile for various applications. The LM358AP is particularly useful in systems where a single supply voltage is available, such as in digital systems, and can easily provide the required interface electronics without additional power supplies.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage Range | Single Supply: 3 V to 32 V, Dual Supplies: ±1.5 V to ±16 V |
| Quiescent Current | 0.7 mA (typical) |
| Unity-Gain Bandwidth | 0.7 MHz (typical) |
| Input Offset Voltage | 3 mV (typical) |
| Input Bias Current | 20 nA (typical) |
| Differential Input Voltage Range | Equal to maximum-rated supply voltage: 32 V |
| Open-Loop Differential Voltage Gain | 100 dB (typical) |
| Operating Temperature Range | 0°C to 70°C |
| Package Type | PDIP (P) with 8 pins |
| Output Current | 30 mA per channel |
| Slew Rate | 0.3 V/μs |
Key Features
- Wide supply voltage range: Single supply from 3 V to 32 V and dual supplies from ±1.5 V to ±16 V
- Low supply-current drain, independent of supply voltage: 0.7 mA (typical)
- Wide unity-gain bandwidth: 0.7 MHz (typical)
- Common-mode input voltage range includes ground, allowing direct sensing near ground
- Low input bias and offset parameters: Input offset voltage of 3 mV (typical), input bias current of 20 nA (typical)
- Internal frequency compensation
- High differential input voltage capability: Up to 32 V
- Integrated EMI and RF filters (in some versions)
Applications
- Blu-ray players and home theaters
- Chemical and gas sensors
- DVD recorder and players
- Digital multimeters: bench and systems, handhelds
- Field transmitter: temperature sensors
- Motor control: AC Induction, brushed DC, brushless DC, high-voltage, low-voltage, permanent magnet, and stepper motor
- Oscilloscopes
- TV: LCD
- Temperature sensors or controllers using Modbus
- Weigh scales
Q & A
- What is the supply voltage range for the LM358AP?
The LM358AP can operate from a single supply of 3 V to 32 V or from dual supplies ranging from ±1.5 V to ±16 V.
- What is the typical quiescent current of the LM358AP?
The typical quiescent current is 0.7 mA.
- What is the unity-gain bandwidth of the LM358AP?
The unity-gain bandwidth is 0.7 MHz (typical).
- What is the input offset voltage of the LM358AP?
The input offset voltage is 3 mV (typical).
- Can the LM358AP operate with a single supply voltage?
- What is the operating temperature range of the LM358AP?
The operating temperature range is 0°C to 70°C.
- What is the package type of the LM358AP?
The LM358AP comes in a PDIP (P) package with 8 pins.
- What are some common applications of the LM358AP?
Common applications include digital multimeters, motor control, oscilloscopes, and temperature sensors.
- Does the LM358AP have internal frequency compensation?
- What is the slew rate of the LM358AP?
The slew rate is 0.3 V/μs.
