TDA7718B:3 band car audio processor

The TDA7718B is a high performance signal processor specifically designed for car radio applications. The device includes a high performance audioprocessor with fully integrated audio filters and new soft-step architecture. The digital control allows programming in a wide range of filter characteristics.

Key Features

  • Input multiplexer
    • QD1: quasi-differential stereo inputs
    • SE1: stereo single-ended input
    • SE2: stereo single-ended input
    • SE3: stereo single-ended input
    • FD full-differential or quasi-differential input
  • Loudness
    • 2nd order frequency response
    • Programmable center frequency(400 Hz / 800 Hz / 2400 Hz)
    • 15 dB with 1 dB steps
    • Selectable high frequency boost
    • Selectable flat-mode (constant attenuation)
  • Volume
    • +23 dB to -31 dB with 1 dB step resolution
    • Soft-step control with programmable blend times
  • Bass
    • 2nd 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 dB to 15 dB range with 1 dB resolution
  • Middle
    • 2nd order frequency response
    • Center frequency programmable in 4 steps(500 Hz / 1 kHz / 1.5 kHz / 2.5 kHz)
    • Q programmable 0.75/1.0/1.25
    • -15 dB to 15 dB range with 1 dB resolution
  • Treble
    • 2nd order frequency response(10 kHz / 12.5 kHz / 15 kHz / 17.5 kHz)
    • Center frequency programmable in 4 steps(10 kHz / 12.5 kHz / 15 kHz / 17.5 kHz)
    • -15 dB to 15 dB with 1 dB resolution
  • Speaker
    • 4 independent soft-step speaker controls
    • +15 dB to -79 dB with 1 dB steps
    • Direct mute
  • Subwoofer
    • 2nd order low pass filter with programmable cut off frequency(55 Hz / 85 Hz / 120 Hz / 160 Hz)
    • 2 independent soft-step level control,+15 dB to –79 dB with 1 dB steps
  • Mute functions
    • Direct mute
    • Digitally controlled soft-mute with 4 programmable mute-times (0.48 ms/0.96 ms/8 ms/16 ms)
  • Offset detection
    • Offset voltage detection circuit for on-board power amplifier failure diagnosis
Product Specifications
DescriptionVersionSize
DS7053: 3 band car audio processor3.01 MB
Sample & Buy
Part NumberPackagePacking TypeOperating Temperature (°C) (min)Operating Temperature (°C) (max)Unit Price (US$) *QuantityECCN (EU)ECCN (US)Country of Origin
TDA7718BTRTSSOP28 9.7 x 4.4Tape And Reel----NECEAR99MALAYSIA
TDA7718BTSSOP28 9.7 x 4.4Tube----NECEAR99MALAYSIA
Quality & Reliability
Part NumberPackageGradeRoHS Compliance GradeMaterial Declaration**
TDA7718BTRTSSOP28 9.7 x 4.4AutomotiveEcopack2ipc-wspc-1752a_aaym-a291bb6_signed.pdf
TDA7718BTSSOP28 9.7 x 4.4AutomotiveEcopack2ipc-wspc-1752a_aaym-a291bb6_signed.pdf
3 band car audio processor TDA7718B
ipc-wspc-1752a_aaym-a291bb6_signed.pdf TDA7718B