Description

The TDA7718NTR is a high performance signal processor specifically designed for car radio applications. It includes a high performance audio processor with fully integrated audio filters and new Soft Step architecture. The device allows programming in a wide range of filter characteristics using digital control. With the use of BCMOS process and linear signal processing, it achieves low distortion and low noise levels.

Specifications and Features

- Input multiplexer: multiple input configuration for different applications
- Loudness: 2nd order frequency response, programmable center frequency, 15dB with 1dB steps, selectable high frequency boost, selectable flat-mode
- Volume: +15dB to -15dB with 1dB step resolution, soft-step control with programmable blend times
- Bass: 2nd order frequency response, programmable center frequency, programmable Q value, programmable DC gain, -15dB to 15dB range with 1dB resolution
- Middle: 2nd order frequency response, programmable center frequency, programmable Q value, -15dB to 15dB range with 1dB resolution
- Treble: 2nd order frequency response, programmable center frequency, -15dB to 15dB range with 1dB resolution
- Speaker: 4 independent soft step speaker controls, 0dB to -79dB with 1dB steps, direct mute
- Subwoofer: 2nd order low pass filter with programmable cutoff frequency, 2 independent soft step level control
- Mute functions: direct mute, digitally controlled SoftMute with 4 programmable mute-times
- Offset detection: offset voltage detection circuit for on-board power amplifier failure diagnosis
- Level meter: provides rectified level voltage of main source signal (before loudness)
- Rear seat selector: full source selector for rear seat output
- Mixing selector

Application Scenarios

The TDA7718NTR is ideally suited for car radio applications, providing high performance audio signal processing and integrated audio filters. It can be used in various car audio systems to enhance sound quality and customize the audio settings according to user preferences. The device is compatible with different input configurations and offers flexibility in programming filter characteristics.

Comparison