LC75055PE: Car Audio DSP

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.

Features
  • Analog input (stereo) :Balanced x2, Single x1 or Balanced x1, Single x3
  • Analog input (monaural) :Balanced x2, Single x1 or Balanced 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)
Applications
  • Automotive Audio & Infotainment
End Products
  • Car Audio System
Data Sheets (1)
Document TitleDocument ID/SizeRevisionRevision Date
Car Audio DSPENA2168/D (361kB)0Apr, 2014
Package Drawings (1)
Document TitleDocument ID/SizeRevision
PQFP100 14x20 / QIP100E122BV (65.9kB)A
Order Information
ProductStatusCompliancePackageMSL*ContainerBudgetary Price/Unit
LC75055PE-6158-HActivePb-free Halide freePQFP-100 / QIP-100E122BV3Tray Foam50$8.3966
Specifications
ProductDSP Core (bits)Coprocessor TypeMIPSDynamic Range (dB)RAM (kB)Istandby Typ (µA)Audio InputsAudio Outputs
LC75055PE-6158-H24110Digital x5, Analog(Stereo) x2, Analog(Mono) x2Digital x4, Analog(Stereo) x3
Car Audio DSP (361kB) LC75055PE
PQFP100 14x20 / QIP100E LC87F7NP6A