Car Audio DSP

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Overview

LC75055PE is a Digital Sound Processor which integrates audio signal processor, A/D, D/A, and volume into a single chip which are the prerequisites for car audio DSP. Programs are downloaded from internal Flash ROM into DSP RAM.

  • Automotive Audio & Infotainment
  • Car Audio System
  • Analog input (stereo) :
    Balanced x2, Single x1 orBalanced x1, Single x3
  • Analog input (monaural) :
    Balanced x2, Single x1 orBalanced x1, Single x3
  • ADC 24bit : 2 stereo ch, 2 monaural ch
  • DAC 24bit + EVR : 3 stereo ch
  • Digital input (IIS) : Maximum 5 stereo ch (slave)
  • Digital output (IIS) :
    Maximum 4 stereo ch (master)
    Input through output 1 stereo ch
  • Sampling rate converter (SRC) :
    Maximum 4 stereo ch (3 or 4 ch Synchronous input)
  • Main microcontroller serial interface :
    Serial interface (I2C or SPI)
  • DSP (24bit) : 220MIPS (DSP 2 Core: operation at 110MHz)

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Product

Status

CAD Models

Compliance

Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

DSP Core (bits)

Coprocessor Type

MIPS

Dynamic Range (dB)

RAM (kB)

Istandby Typ (µA)

Audio Inputs

Audio Outputs

Reference Price

LC75055PE-6158-H

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Obsolete

CAD Model

Pb

A

H

P

PQFP-100 / QIP-100E

3

260

FTRAY

50

N

24

-

110

-

-

-

Digital x5, Analog(Stereo) x2, Analog(Mono) x2

Digital x4, Analog(Stereo) x3

Price N/A

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