MAX4990ETD+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Amplifier
• Characteristics: High-speed, low-power, rail-to-rail output
• Package: TDFN-14
• Essence: Single-supply operational amplifier
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Input Offset Voltage: ±1mV (max)
• Gain Bandwidth Product: 50MHz (typ)
• Slew Rate: 20V/μs (typ)
• Quiescent Current: 1.3mA (typ)
• Output Current: ±60mA (typ)

Detailed Pin Configuration

The MAX4990ETD+T has a total of 14 pins. The pin configuration is as follows:

1. OUT-
2. VCC
3. IN+
4. IN-
5. GND
6. NC
7. NC
8. NC
9. NC
10. NC
11. NC
12. NC
13. NC
14. OUT+

Functional Features

• Rail-to-rail output swing
• Low input offset voltage
• Wide supply voltage range
• High gain bandwidth product
• Low quiescent current
• Short-circuit protection

Advantages and Disadvantages

Advantages: - Rail-to-rail output allows for maximum signal swing - Low input offset voltage ensures accurate amplification - Wide supply voltage range enables versatile applications - High gain bandwidth product provides excellent frequency response - Low quiescent current minimizes power consumption - Short-circuit protection prevents damage to the device

Disadvantages: - Limited number of available pins for additional functionality - May require external components for specific applications

Working Principles

The MAX4990ETD+T is a single-supply operational amplifier designed for high-speed amplification. It operates from a supply voltage range of 2.7V to 5.5V, making it suitable for various applications. The rail-to-rail output swing allows the amplifier to handle signals close to the supply rails, maximizing the dynamic range.

The low input offset voltage ensures accurate amplification by minimizing any voltage difference between the non-inverting and inverting inputs. This feature is particularly important in precision applications.

The high gain bandwidth product of 50MHz enables the amplifier to amplify high-frequency signals with minimal distortion. The low quiescent current helps reduce power consumption, making it suitable for battery-powered devices.

The device also incorporates short-circuit protection, which safeguards against potential damage caused by excessive current flow.

Detailed Application Field Plans

The MAX4990ETD+T can be used in various applications, including:

1. Audio Amplification: The rail-to-rail output swing and high gain bandwidth product make it suitable for audio amplification in portable devices, such as smartphones and MP3 players.
2. Sensor Signal Conditioning: The low input offset voltage and wide supply voltage range allow for accurate amplification and conditioning of sensor signals in industrial applications.
3. Battery-Powered Systems: The low quiescent current and wide supply voltage range make it ideal for use in battery-powered systems, such as wireless sensors and remote controls.
4. Active Filters: The high gain bandwidth product and low input offset voltage make it suitable for active filter designs in communication systems.

Detailed and Complete Alternative Models

1. MAX4991ETD+T: Similar to MAX4990ETD+T but with additional features like shutdown mode and adjustable gain.
2. MAX4992ETD+T: Dual-channel version of MAX4990ETD+T, providing two amplifiers in a single package.
3. MAX4993ETD+T: Higher voltage version of MAX4990ETD+T, operating from a supply voltage range of 4.5V to 36V.

These alternative models offer similar functionality with slight variations to cater to specific application requirements.

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