TDA7417TR

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The TDA7417TR is a special purpose audio device that is employed in a variety of audio applications. This integrated circuit offers outstanding performance in audio applications, such as audio mixing, active filtering, and audio distribution systems. The TDA7417TR is built on a high-integrity silicon processing technology, and is available in DIP and SMD packages.

Features

• Low supply voltage: 5V (VCC1) and 10.8V (VCC2)
• Low quiescent current consumption: 75 µA (VCC1) and 40 µA (VCC2)
• High input impedance
• Low THD+N: 0.07% (typical)
• Wide dynamic range: 109 dB (typical)
• High dynamic range: 64 dB (typical)
• Low crosstalk: –74 dB (typical)
• High frequency response: 5 Hz to 100 kHz (typical)
• Low offset voltage: 0.35 V (typical)

Application fields

The TDA7417TR can be used in various audio applications. It is designed for use in audio mixing consoles, active filtering systems, and audio distribution systems. It can also be used for application such as controlling the volume of audio amplifiers, providing treble or bass control for speaker systems, or for controlling the balance between speakers. It is also suitable for applications such as microphone mixing, echo chambers, and compression.

Working principle

The TDA7417TR is designed to work with both balanced and unbalanced signals. It has an independent low noise, low distortion power supply design, comprised of two voltage regulator stages. The first stage provides the VCC1 (5V) to power the operational amplifiers, while the second stage provides the VCC2 (10.8V) to power the negative voltage regulator and allows operation of the entire device in single-voltage supplies.

The integrated circuit contains seven independent differential input operational amplifiers. These amplifiers feature low quiescent current and have the ability to operate up to their power supply voltage. The device is designed to accept both balanced and unbalanced inputs, and is capable of providing low level analog audio signals of up to ±3 V. The TDA7417TR features an adjustable unity-gain buffer, an adjustable gain inverting amplifier, an adjustable bass control circuit, and two adjustable treble control circuits. It is also capable of providing a mix of both balanced and unbalanced output.

The integrated circuit is fully protected against over-voltage and has a current-limited overload protection system. It also features a thermal protection system that monitors the temperature of the device and shuts it down if the temperature exceeds a certain limit. The TDA7417TR is also equipped with an open loop detector that cuts off the output signal in the event of internal short circuit.

The TDA7417TR is a versatile and robust integrated circuit that can be used in a variety of audio applications. Its wide dynamic range, low noise level, and excellent signal fidelity make it an ideal choice for audio applications ranging from mixing consoles to active filtering systems.

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