LM158QT

Product Overview

Category: Integrated Circuit (IC)

Use: Operational Amplifier

Characteristics: - Low power consumption - Wide supply voltage range - Rail-to-rail output swing capability - High input impedance - Low input offset voltage - Low input bias current

Package: SOT-23-5

Essence: The LM158QT is a dual operational amplifier that offers low power consumption and high performance. It is designed for general-purpose applications where low input offset voltage, low input bias current, and wide supply voltage range are required.

Packaging/Quantity: The LM158QT is available in a SOT-23-5 package. Each package contains one LM158QT IC.

Specifications

• Supply Voltage Range: ±2V to ±18V
• Input Offset Voltage: 2mV (maximum)
• Input Bias Current: 20nA (maximum)
• Input Common Mode Voltage Range: -0.3V to Vcc+0.3V
• Output Voltage Swing: Rail-to-Rail
• Gain Bandwidth Product: 1MHz (typical)
• Slew Rate: 0.6V/µs (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LM158QT has five pins arranged as follows:

___________ OUT1 | | Vcc+ OUT2 | | IN- IN- | | IN+ Vcc-| | GND -------------

Functional Features

• Low power consumption makes it suitable for battery-powered applications.
• Wide supply voltage range allows operation from various power sources.
• Rail-to-rail output swing capability enables maximum utilization of the supply voltage range.
• High input impedance minimizes loading effects on the signal source.
• Low input offset voltage ensures accurate amplification of small signals.
• Low input bias current reduces the impact of input current on the circuit performance.

Advantages and Disadvantages

Advantages: - Low power consumption - Wide supply voltage range - Rail-to-rail output swing capability - High input impedance - Low input offset voltage - Low input bias current

Disadvantages: - Limited gain bandwidth product compared to specialized operational amplifiers - SOT-23-5 package may not be suitable for all applications requiring higher pin count or different package types

Working Principles

The LM158QT is based on a differential amplifier configuration that amplifies the voltage difference between its two input terminals. It utilizes internal transistors and resistors to achieve the desired amplification characteristics. The output voltage is determined by the input voltage, gain, and feedback network.

Detailed Application Field Plans

The LM158QT can be used in various applications, including but not limited to: - Audio amplification - Signal conditioning - Sensor interfaces - Active filters - Voltage regulators - Oscillators - Comparators

Detailed and Complete Alternative Models

Some alternative models to the LM158QT include: - LM358 - LM324 - TL072 - MCP6002 - AD822

These alternatives offer similar functionality and can be used as replacements depending on specific requirements and availability.

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