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Manufacturer Part #


TDA7418 Series 20 kHz 10 V High Performance 3 Band Car Audio Processor - SOIC-20

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Mfr. Name: STMicroelectronics
Standard Pkg:
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Product Specification Section
STMicroelectronics TDA7418TR - Technical Attributes
Attributes Table
Application Type: Automotive Audio
Interface: I2C
No of Channels: 4
Supply Voltage-Max: 10V
Supply Current: 25mA
Function: Audio Signal Processor
Operating Temp Range: -40°C to +82°C
Storage Temperature Range: -55°C to +150°C
Package Style:  SOIC-20
Mounting Method: Surface Mount
$Features & Applications
The TDA7418TR 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. It has an Operating temperature ranges b/w -40 °C to 85 °C.


  • 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)
  • Loudness
    • 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)
  • Volume
    • +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
  • Speaker
    • 4 independent soft step speaker controls, +15dB to -79dB with 1dB steps direct mute
  • Subwoofer
    • Single-ended mono output
    • Independent soft step level control, +15dB to -79dB with 1dB steps
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Factory Stock:Factory Stock:
Factory Lead Time:
52 Weeks
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