MAX4273ESE

Product Overview

• Category: Integrated Circuit (IC)
• Use: Amplifier
• Characteristics: High-speed, low-power, rail-to-rail output, single-supply operation
• Package: Small Outline Integrated Circuit (SOIC)
• Essence: Operational amplifier with precision voltage reference
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Input Offset Voltage: ±0.5mV (maximum)
• Gain Bandwidth Product: 10MHz
• Slew Rate: 6V/µs
• Quiescent Current: 1.4mA
• Output Current: ±40mA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX4273ESE has a total of 16 pins arranged as follows:

```

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| | --| V+ OUT |-+ --| IN- NC | | --| IN+ GND | | --| REF V- | | --| VCC NC | | --| NC NC | | --| NC NC | | --| NC NC | | --| NC NC | | --| NC NC | | --| NC NC | | --| NC NC | | --| NC NC | | --| NC NC | | --| NC NC |__| |_______________| ```

Functional Features

• Precision voltage reference with ±0.5mV input offset voltage
• Rail-to-rail output swing capability
• Low quiescent current for power-sensitive applications
• Wide supply voltage range allows single-supply operation

Advantages and Disadvantages

Advantages: - High-speed performance with a gain bandwidth product of 10MHz - Low-power consumption - Can operate from a wide range of supply voltages - Provides accurate amplification and voltage reference

Disadvantages: - Limited output current capability (±40mA) - Temperature range limited to -40°C to +85°C

Working Principles

The MAX4273ESE is an operational amplifier that combines precision voltage reference and rail-to-rail output swing capabilities. It operates on a single supply voltage ranging from 2.7V to 5.5V. The amplifier provides accurate amplification of input signals while maintaining a low input offset voltage of ±0.5mV.

The rail-to-rail output swing feature allows the amplifier to drive signals close to the supply rails, maximizing the dynamic range. The low quiescent current of 1.4mA makes it suitable for power-sensitive applications.

Detailed Application Field Plans

The MAX4273ESE is commonly used in various applications, including:

1. Sensor signal conditioning
2. Portable instrumentation
3. Battery-powered devices
4. Audio amplification
5. Industrial control systems
6. Communication equipment

Detailed and Complete Alternative Models

1. MAX4239: Precision, low-power operational amplifier with rail-to-rail outputs.
2. MAX44267: High-speed, low-power operational amplifier with rail-to-rail outputs.
3. MAX9643: Precision, low-power operational amplifier with integrated EMI filters.

These alternative models offer similar functionality and can be considered as substitutes for the MAX4273ESE in different applications.

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