MAX7426CUA+TG05

Product Overview

• Category: Integrated Circuit (IC)
• Use: Signal Conditioning
• Characteristics: Low-Pass Filter, Programmable Gain Amplifier
• Package: 8-pin µMAX®
• Essence: Analog Signal Processing
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: ±2.7V to ±5.5V
• Operating Temperature Range: -40°C to +85°C
• Input Voltage Range: ±VS/2
• Gain Range: 0dB to 40dB
• Cut-off Frequency Range: 1kHz to 20kHz
• Total Harmonic Distortion: 0.01% (typical)

Pin Configuration

The MAX7426CUA+TG05 has the following pin configuration:

```

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| | --| V+ OUT |-- Output --| IN+ GND |-- Ground --| IN- V- |-- Negative Supply --| AGC NC |-- Not Connected --| BP NC |-- Not Connected --| LP NC |-- Not Connected --| BYP NC |-- Not Connected |___________| ```

Functional Features

• Low-pass filter with programmable cut-off frequency
• Programmable gain amplifier for signal conditioning
• Automatic Gain Control (AGC) for maintaining constant output level
• Built-in bypass mode for direct signal path
• Internal reference voltage for easy integration

Advantages

• Compact package size allows for space-efficient designs
• Wide supply voltage range enables versatile applications
• Programmable features provide flexibility in signal processing
• Low total harmonic distortion ensures high-quality output
• Easy integration due to internal reference voltage

Disadvantages

• Limited gain range may not be suitable for all applications
• Not suitable for high-frequency signal processing
• Requires external components for complete circuit implementation

Working Principles

The MAX7426CUA+TG05 is an integrated circuit designed for analog signal conditioning. It consists of a low-pass filter and a programmable gain amplifier. The input signal is first passed through the low-pass filter, which attenuates frequencies above the cut-off frequency. The filtered signal is then amplified by the programmable gain amplifier, allowing for precise control over the output level.

The automatic gain control (AGC) feature ensures that the output level remains constant even when the input signal varies. This is achieved by adjusting the gain of the amplifier based on the input signal strength. The built-in bypass mode allows for direct signal path when needed, bypassing the filter and amplifier stages.

Detailed Application Field Plans

The MAX7426CUA+TG05 is commonly used in audio signal processing applications, such as audio amplifiers, equalizers, and audio effects processors. It can also be utilized in communication systems, instrumentation, and industrial control systems where analog signal conditioning is required.

Alternative Models

• MAX7427CUA+TG05: Similar to MAX7426CUA+TG05 with extended gain range
• MAX7428CUA+TG05: Similar to MAX7426CUA+TG05 with additional features for advanced signal processing
• MAX7429CUA+TG05: Similar to MAX7426CUA+TG05 with higher cut-off frequency range

These alternative models offer different specifications and features to cater to specific application requirements.

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