MAX472ESA

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Operational Amplifier
• Characteristics: Low-power, Rail-to-Rail Output, Single-Supply Operation
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: High-performance operational amplifier
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Input Offset Voltage: ±1mV (maximum)
• Gain Bandwidth Product: 1MHz (typical)
• Slew Rate: 0.6V/µs (typical)
• Input Bias Current: 1pA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. OUT: Output pin
2. IN-: Inverting input pin
3. IN+: Non-inverting input pin
4. V-: Negative supply voltage pin
5. NC: No connection
6. V+: Positive supply voltage pin
7. NC: No connection
8. GND: Ground pin

Functional Features

• Low-power consumption for extended battery life
• Rail-to-rail output swing allows maximum utilization of the supply voltage range
• Single-supply operation simplifies circuit design
• Wide operating temperature range for versatile applications
• Low input bias current ensures accurate signal amplification

Advantages

• Compact 8-pin SOIC package saves board space
• High gain bandwidth product enables precise signal amplification
• Excellent slew rate facilitates fast signal response
• Wide supply voltage range accommodates various power sources
• Low input offset voltage minimizes errors in signal processing

Disadvantages

• Limited output current capability may restrict certain applications
• Not suitable for high-frequency applications due to limited bandwidth

Working Principles

The MAX472ESA is an operational amplifier that amplifies the difference between its inverting and non-inverting inputs. It operates on a single supply voltage, typically ranging from 2.7V to 5.5V. The rail-to-rail output swing ensures that the amplified signal can reach close to the supply voltage levels. The low-power consumption of the MAX472ESA makes it suitable for battery-powered devices.

Detailed Application Field Plans

• Portable audio devices: The MAX472ESA can be used to amplify audio signals in portable music players, smartphones, and headphones.
• Sensor interfaces: It can amplify weak sensor signals in applications such as temperature measurement, pressure sensing, and gas detection.
• Battery-powered systems: The low-power characteristics of the MAX472ESA make it ideal for use in energy-efficient devices like wireless sensors and remote controls.
• Signal conditioning: It can be employed in various signal conditioning circuits, including filters, amplifiers, and level shifters.

Detailed and Complete Alternative Models

• LM358: Dual operational amplifier with similar specifications and pin configuration
• MCP6001: Low-power operational amplifier with rail-to-rail output and single-supply operation
• TLV2462: Precision operational amplifier with low input offset voltage and wide supply voltage range

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