TDA7419TR STMicroelectronics, TDA7419TR Datasheet - Page 27

• Manufacturer Part Number: TDA7419TR
• Description: IC PROCESSOR CAR AUD 3BAND 28SOI
• Manufacturer: STMicroelectronics
• Type: Audio Processorr

Specifications of TDA7419TR

• Applications: Radio
• Mounting Type: Surface Mount
• Package / Case: 28-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TDA7419
4.12
4.13
HPF applications
For HPF applications, HPF filter is available for additional processing after the speaker
control. It is a 2
shows the diagram of the HPF that includes an external RC network.
Figure 22. HPF diagram
Output selector and mixing
The output-selector allows the front and rear speakers to connect to different sources. The
setup of the output selector is shown in Figure 24. A Mixing-stage is placed after the front
speaker-attenuator and can be set to mixing-mode. Having a full volume-attenuator for the
mix-signal, the stage offers a wide flexibility to adapt the mixing levels.
Figure 23. Output selector
From speaker
BassL+BassR
ACOUT
/AC2OUT
Second
Main
Mix_in
nd
order butterworth highpass filter with selectable flat mode.
External RC network
Attenuator
Subwoofer
Attenuator
Attenuator
SE3IN
/AC2IN
filter
Attenuator
ACIN
/FILO
Description of the audio processor
Gain Control
Subwoofer
output
Front
Rear
Figure 22
To
output
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