CA3140E

Product Overview

• Category: Integrated Circuit (IC)
• Use: Operational Amplifier
• Characteristics: High input impedance, low input offset voltage, wide supply voltage range
• Package: Dual in-line package (DIP)
• Essence: General-purpose operational amplifier
• Packaging/Quantity: Available in tubes or reels, quantity varies based on supplier

Specifications

• Supply Voltage Range: ±3V to ±18V
• Input Offset Voltage: 3mV (maximum)
• Input Bias Current: 5nA (maximum)
• Input Resistance: 1.5TΩ (typical)
• Output Voltage Swing: ±12V (minimum)
• Gain Bandwidth Product: 4.5MHz (typical)

Detailed Pin Configuration

The CA3140E has a total of 8 pins arranged as follows:

```

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| | --| IN- | --| IN+ | --| V- | --| OUT | --| V+ | --| NC | --| OFFSET | |___________| ```

Functional Features

• High input impedance allows for direct interfacing with various sensors and transducers.
• Low input offset voltage ensures accurate amplification of small signals.
• Wide supply voltage range enables operation in diverse electronic systems.
• Excellent slew rate facilitates high-speed signal processing.

Advantages and Disadvantages

Advantages: - Versatile and widely used in various applications. - Stable performance over a wide temperature range. - Low power consumption.

Disadvantages: - Limited output current capability. - Relatively high input bias current.

Working Principles

The CA3140E is a bipolar operational amplifier that utilizes differential input stages and a push-pull output stage. It operates based on the principles of negative feedback, where the difference between the input voltages is amplified and fed back to maintain stability and accuracy.

Detailed Application Field Plans

The CA3140E finds applications in various fields, including: 1. Signal conditioning circuits 2. Active filters 3. Instrumentation amplifiers 4. Voltage regulators 5. Data acquisition systems

Detailed and Complete Alternative Models

• LM324
• TL071
• OP07
• AD822

These alternative models offer similar functionality and can be used as substitutes for the CA3140E in various applications.

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