LM148J/PB

Product Overview

Category: Integrated Circuit (IC)

Use: Operational Amplifier

Characteristics: - High gain - Low input offset voltage - Wide bandwidth - Low power consumption

Package: Dual in-line package (DIP)

Essence: The LM148J/PB is a high-performance operational amplifier designed for various applications that require precision amplification.

Packaging/Quantity: The LM148J/PB is typically sold in tubes containing 25 units.

Specifications

• Supply Voltage Range: ±5V to ±18V
• Input Offset Voltage: 2 mV (maximum)
• Input Bias Current: 20 nA (maximum)
• Input Offset Current: 2 nA (maximum)
• Gain Bandwidth Product: 1 MHz (typical)
• Slew Rate: 0.5 V/µs (typical)
• Common Mode Rejection Ratio: 70 dB (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LM148J/PB has a total of 8 pins, which are assigned as follows:

1. Non-Inverting Input (+)
2. Inverting Input (-)
3. Output
4. Negative Power Supply (-Vcc)
5. Offset Null
6. Positive Power Supply (+Vcc)
7. N/C (No Connection)
8. N/C (No Connection)

Functional Features

• High open-loop gain
• Low input offset voltage and current
• Wide bandwidth for accurate signal amplification
• Low power consumption for energy efficiency
• Offset null pin for fine-tuning the input offset voltage

Advantages and Disadvantages

Advantages: - High gain allows for precise amplification - Low input offset voltage ensures accurate signal processing - Wide bandwidth enables the amplification of a broad range of frequencies - Low power consumption reduces energy usage

Disadvantages: - Limited slew rate may restrict the amplification of fast-changing signals - Lower common mode rejection ratio compared to some other operational amplifiers

Working Principles

The LM148J/PB is based on a differential amplifier configuration, where the difference between the non-inverting and inverting inputs is amplified. It utilizes a combination of transistors and resistors to achieve high gain and accurate signal processing.

Detailed Application Field Plans

The LM148J/PB can be used in various applications, including: 1. Audio amplification 2. Signal conditioning 3. Active filters 4. Instrumentation amplifiers 5. Voltage-controlled oscillators

Detailed and Complete Alternative Models

Some alternative models that can be considered as substitutes for the LM148J/PB are: 1. LM358 2. TL071 3. OP07 4. AD822

These alternatives offer similar functionality and characteristics, allowing users to choose the most suitable option for their specific requirements.

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