مدار مجتمع (آی سی) آی‌سی صوتی ویژه

Product Attributes

Introduction

The TDA7418 includes a high performance audio processor with fully integrated 3-Band filters to process signals at audible frequencies. The digital control allows a full programming of the audioprocessor and filters characteristics.

Features

• Input multiplexer
• PD/SE4: pseudo differential stereo input, programmable as single-ended input
• SE1: stereo single-end input
• SE2: stereo single-end input
• SE3: stereo single-end input
• Input gain adjust from 0 to 15dB with 1dB steps
• Internal offset-cancellation (AutoZero)
• Second order frequency response
• Programmable center frequency (400 Hz / 800 Hz / 2400 Hz)
• 15dB with 1dB steps
• Selectable low and high frequency boost
• Selectable flat-mode (constant attenuation)
• +15dB to -79dB with 1dB step resolution
• Soft-step control with programmable blend times
• Bass Second order frequency response
• Center frequency programmable in 4 steps (60 Hz / 80 Hz / 100 Hz / 200 Hz)
• Q programmable 1.0/1.25/1.5/2.0
• DC gain programmable -15 to 15dB range with 1dB resolution
• Middle Second order frequency response
• Center frequency programmable in 4 steps (500 Hz / 1 kHz / 1.5 kHz / 2.5 kHz)
• Q programmable 0.5/0.75/1.0/1.25
• -15 to 15dB range with 1dB resolution
• Second order frequency response
• Center frequency programmable in 4 steps (10 kHz / 12.5 kHz / 15 kHz / 17.5 kHz)
• -15 to 15dB range with 1dB resolution
• 4 independent soft step speaker controls, +15dB to -79dB with 1dB steps direct mute
• Single-ended mono output
• Independent soft step level control, +15dB to -79dB with 1dB steps