MAX994EUD

Product Overview

• Category: Integrated Circuit (IC)
• Use: Amplifier
• Characteristics: Low-power, precision, rail-to-rail output
• Package: 14-pin TSSOP (Thin Shrink Small Outline Package)
• Essence: Operational amplifier with high accuracy and low power consumption
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Input Offset Voltage: ±150µV (maximum)
• Gain Bandwidth Product: 1MHz
• Slew Rate: 0.6V/µs
• Quiescent Current: 50µA (typical)
• Output Current: ±20mA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX994EUD has a 14-pin TSSOP package with the following pin configuration:

1. OUT-
2. IN-
3. V-
4. IN+
5. OUT+
6. NC (No Connection)
7. NC
8. NC
9. NC
10. NC
11. NC
12. V+
13. NC
14. NC

Functional Features

• Rail-to-rail output swing
• Low input offset voltage
• Low quiescent current
• Wide supply voltage range
• High output current drive capability
• Unity-gain stable

Advantages and Disadvantages

Advantages: - Rail-to-rail output allows for maximum signal swing - Low input offset voltage ensures accurate amplification - Low quiescent current reduces power consumption - Wide supply voltage range enables versatile applications - High output current drive capability supports driving various loads - Unity-gain stable for easy circuit design

Disadvantages: - Limited gain bandwidth product compared to some other amplifiers - Slightly lower slew rate may affect high-speed applications

Working Principles

The MAX994EUD is an operational amplifier designed for precision amplification of low-level signals. It operates from a wide supply voltage range of 2.7V to 5.5V, making it suitable for battery-powered applications. The rail-to-rail output swing allows the amplifier to provide maximum signal swing, ensuring accurate amplification even with small input voltages.

The low input offset voltage minimizes errors in amplification, resulting in precise signal reproduction. Additionally, the low quiescent current of 50µA ensures minimal power consumption when the amplifier is idle.

The MAX994EUD can drive output currents up to ±20mA, making it capable of driving various loads. Its unity-gain stability simplifies circuit design by eliminating the need for external compensation components.

Detailed Application Field Plans

The MAX994EUD finds applications in various fields, including:

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

Detailed and Complete Alternative Models

1. MAX992EUA: Similar specifications, different package (8-pin µMAX)
2. MAX995EUD: Higher gain bandwidth product (2.5MHz), similar characteristics
3. MAX996EUD: Lower input offset voltage (±100µV), similar characteristics
4. MAX997EUD: Higher slew rate (1.2V/µs), similar characteristics
5. MAX998EUD: Higher output current (±40mA), similar characteristics

These alternative models offer similar functionality with slight variations in performance parameters, allowing users to choose the most suitable option for their specific requirements.

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