Overview
The LM158AH is a low-power, dual operational amplifier produced by Texas Instruments. This component is designed to operate from a single power supply over a wide range of voltages, making it versatile for various applications. The LM158AH features two independent, high-gain, internally frequency-compensated operational amplifiers, which are suitable for military-grade and other high-reliability applications. It is known for its low power consumption, high input impedance, and wide supply voltage range, making it an ideal choice for circuits such as audio amplifiers, instrumentation amplifiers, and voltage followers.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Number of Channels | 2 | |
| Supply Voltage - Min | 3 V | V |
| Supply Voltage - Max | 32 V | V |
| Minimum Dual Supply Voltage | ±1.5 V | V |
| Maximum Dual Supply Voltage | ±16 V | V |
| Gain Bandwidth Product (GBP) | 700 kHz | kHz |
| Slew Rate (SR) | 300 mV/us | mV/us |
| Input Offset Voltage (Vos) | 2 mV | mV |
| Input Bias Current (Ib) | 150 nA | nA |
| Common Mode Rejection Ratio (CMRR) | 80 dB | dB |
| Operating Supply Current | 500 µA | µA |
| Minimum Operating Temperature | -55°C | °C |
| Maximum Operating Temperature | 125°C | °C |
| Output Current per Channel | 20 mA | mA |
Key Features
- Dual-channel configuration with two independent, high-gain, internally frequency-compensated operational amplifiers.
- Wide power supply range: single supply from 3V to 32V, or dual supplies from ±1.5V to ±16V.
- Low input offset voltage and bias currents, with an input offset voltage of 2 mV and an input bias current of 150 nA.
- High input impedance and large output voltage swing.
- Internally frequency compensated for unity gain with a gain bandwidth product of 700 kHz.
- Low power consumption with an operating supply current of 500 µA, suitable for battery operation.
- Temperature-compensated unity gain cross frequency and input bias current.
- Compatible with all forms of logic and allows direct sensing near ground and output voltage swing to ground.
Applications
- Audio amplifiers: The LM158AH is used in audio circuits due to its high gain and low noise characteristics.
- Instrumentation amplifiers: It is suitable for amplifying transducer signals and creating DC gain blocks.
- Voltage followers: The LM158AH can be used in voltage follower configurations to provide a high-impedance buffer.
- Consumer electronics: It is used in various consumer electronic devices due to its compatibility with standard power supplies.
- Industrial automation and automotive systems: The LM158AH's robust performance makes it suitable for industrial and automotive applications.
- Medical devices: Its high reliability and precision make it a good choice for medical equipment).
Q & A
- What is the LM158AH operational amplifier?
The LM158AH is a low-power, dual operational amplifier produced by Texas Instruments, designed for high-reliability applications including military-grade uses.
- What is the power supply range of the LM158AH?
The LM158AH can operate from a single supply voltage of 3V to 32V or from dual supplies of ±1.5V to ±16V.
- What are the key features of the LM158AH?
Key features include dual-channel configuration, wide power supply range, low input offset voltage and bias currents, high input impedance, and low power consumption.
- What are the typical applications of the LM158AH?
The LM158AH is used in audio amplifiers, instrumentation amplifiers, voltage followers, consumer electronics, industrial automation, automotive systems, and medical devices.
- What is the gain bandwidth product of the LM158AH?
The gain bandwidth product (GBP) of the LM158AH is 700 kHz.
- What is the slew rate of the LM158AH?
The slew rate (SR) of the LM158AH is 300 mV/us.
- What is the input offset voltage of the LM158AH?
The input offset voltage (Vos) of the LM158AH is 2 mV.
- What is the common mode rejection ratio (CMRR) of the LM158AH?
The CMRR of the LM158AH is 80 dB.
- What is the operating temperature range of the LM158AH?
The operating temperature range of the LM158AH is from -55°C to 125°C.
- Is the LM158AH suitable for battery operation?
Yes, the LM158AH is suitable for battery operation due to its low power consumption of 500 µA.
